{"id":355012,"date":"2025-11-30T12:41:11","date_gmt":"2025-11-30T10:41:11","guid":{"rendered":"https:\/\/puhdasplus.ee\/what-vitamins-and-supplements-should-not-be-taken-together\/"},"modified":"2026-04-07T12:27:52","modified_gmt":"2026-04-07T09:27:52","slug":"what-vitamins-and-supplements-should-not-be-taken-together","status":"publish","type":"post","link":"https:\/\/puhdasplus.ee\/en\/what-vitamins-and-supplements-should-not-be-taken-together\/","title":{"rendered":"Which vitamins and supplements should not be taken together?"},"content":{"rendered":"<p data-start=\"360\" data-end=\"648\">Supplements can be valuable support for our nutrition, but not all vitamins and minerals are wise to take at once. Supplements are not simply &#8216;the more, the better&#8217;. Vitamins and minerals behave in the body like a small orchestra \u2013 if some play too loudly or in the wrong rhythm, then others cannot be heard at all. Certain combinations <strong data-start=\"510\" data-end=\"535\">reduce absorption<\/strong>, others may <strong data-start=\"551\" data-end=\"596\">affect each other&#8217;s biochemical activity<\/strong>, and still others create <strong data-start=\"621\" data-end=\"647\">interactions with medications<\/strong>.<\/p>\n<p data-start=\"668\" data-end=\"811\">Below we will look thoroughly at <strong data-start=\"697\" data-end=\"768\">which combinations may reduce or change each other&#8217;s effects<\/strong> and how to take them wisely separated in time.<\/p>\n<p data-start=\"668\" data-end=\"811\">NB! The following explanations are <strong data-start=\"843\" data-end=\"908\">of general informative nature and do not replace advice from a doctor or pharmacist<\/strong> \u2013 especially if you take medications or have a chronic illness.<\/p>\n<h2 data-start=\"810\" data-end=\"834\"><strong>1. Calcium + Iron<\/strong><\/h2>\n<p data-start=\"835\" data-end=\"862\">\u2014 opposing minerals**<\/p>\n<p data-start=\"864\" data-end=\"1040\">Calcium is one of the strongest inhibitors of iron absorption. Studies show that already 300\u2013600 mg of calcium drastically reduces the absorption of iron obtained from both food and supplements.<\/p>\n<p data-start=\"1042\" data-end=\"1061\"><strong data-start=\"1042\" data-end=\"1059\">Why don&#8217;t they work together?<\/strong><\/p>\n<ul data-start=\"1062\" data-end=\"1125\">\n<li data-start=\"1062\" data-end=\"1125\">\n<p data-start=\"1064\" data-end=\"1125\"><a href=\"https:\/\/puhdasplus.ee\/en\/tooted\/digestion-and-metabolism\/calcium-citrate-200-mg-120-g\/\">Calcium<\/a> blocks iron transport proteins (DMT1 transporters).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1127\" data-end=\"1290\"><strong data-start=\"1127\" data-end=\"1147\">Scientific reference:<\/strong><br data-start=\"1147\" data-end=\"1150\" \/>Hallberg et al., <em data-start=\"1167\" data-end=\"1207\">American Journal of Clinical Nutrition<\/em>, 1991 \u2014 showed that calcium reduces heme and non-heme iron absorption by up to 50%.<\/p>\n<h3 data-start=\"1063\" data-end=\"1084\">What happens in the body?<\/h3>\n<ul data-start=\"1086\" data-end=\"1424\">\n<li data-start=\"1086\" data-end=\"1202\">\n<p data-start=\"1088\" data-end=\"1202\"><a href=\"https:\/\/puhdasplus.ee\/en\/tooted\/vitamins\/vitamin-c\/iron-20-mg-b12-folic-acid-vitamin-c-60-capsules\/\">Iron<\/a> (especially non-heme iron from supplements) is absorbed in the small intestine through special transport proteins (e.g., DMT1).<\/p>\n<\/li>\n<li data-start=\"1203\" data-end=\"1344\">\n<p data-start=\"1205\" data-end=\"1344\">Calcium <strong data-start=\"1214\" data-end=\"1256\">competes for the same mechanisms<\/strong> and studies show that calcium can <strong data-start=\"1312\" data-end=\"1341\">significantly inhibit iron absorption<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1345\" data-end=\"1424\">\n<p data-start=\"1347\" data-end=\"1424\">The effect has been observed with both dietary and supplemental iron.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1426\" data-end=\"1620\">In one classic study, it was found that about <strong data-start=\"1470\" data-end=\"1494\">300\u2013600 mg of calcium<\/strong> in one meal can reduce iron absorption by up to ~50%. (Hallberg et al., <em data-start=\"1572\" data-end=\"1612\">American Journal of Clinical Nutrition<\/em>, 1991).<\/p>\n<h3 data-start=\"1622\" data-end=\"1655\">Who is this especially important for?<\/h3>\n<ul data-start=\"1657\" data-end=\"1890\">\n<li data-start=\"1657\" data-end=\"1715\">\n<p data-start=\"1659\" data-end=\"1715\">people who have <strong data-start=\"1681\" data-end=\"1692\">anemia<\/strong> or low ferritin;<\/p>\n<\/li>\n<li data-start=\"1716\" data-end=\"1769\">\n<p data-start=\"1718\" data-end=\"1769\">pregnant women, teenagers, women with heavy menstruation;<\/p>\n<\/li>\n<li data-start=\"1770\" data-end=\"1861\">\n<p data-start=\"1772\" data-end=\"1861\">vegetarians and vegans (since their iron sources are predominantly non-heme iron form);<\/p>\n<\/li>\n<li data-start=\"1862\" data-end=\"1890\">\n<p data-start=\"1864\" data-end=\"1890\">children during growth spurts.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1892\" data-end=\"2003\">If you take an iron supplement as a &#8216;treatment course&#8217;, then taking it together with calcium may simply make the course less effective.<\/p>\n<h3 data-start=\"2005\" data-end=\"2031\">Practical recommendations<\/h3>\n<ul data-start=\"2033\" data-end=\"2283\">\n<li data-start=\"2033\" data-end=\"2109\">\n<p data-start=\"2035\" data-end=\"2109\">Don&#8217;t take <strong data-start=\"2044\" data-end=\"2106\">iron supplements together with calcium supplements or dairy products<\/strong>.<\/p>\n<\/li>\n<li data-start=\"2110\" data-end=\"2165\">\n<p data-start=\"2112\" data-end=\"2165\">Leave at least <strong data-start=\"2151\" data-end=\"2162\">2 hours<\/strong> between iron and calcium.<\/p>\n<\/li>\n<li data-start=\"2166\" data-end=\"2283\">\n<p data-start=\"2168\" data-end=\"2180\">Take iron:<\/p>\n<ul data-start=\"2183\" data-end=\"2283\">\n<li data-start=\"2183\" data-end=\"2283\">\n<p data-start=\"2185\" data-end=\"2283\">on an empty stomach or with a small amount of <a href=\"https:\/\/puhdasplus.ee\/en\/tooted\/vitamins\/vitamin-c\/vitamin-c-powder-1000-mg-200-g\/\" title=\"C-vitamiini\">vitamin C<\/a> (e.g., orange juice), which <strong data-start=\"2254\" data-end=\"2282\">improves iron absorption<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 data-start=\"1383\" data-end=\"1430\"><strong data-start=\"1385\" data-end=\"1430\">2. Calcium + Magnesium (large doses)<\/strong><\/h2>\n<p data-start=\"1432\" data-end=\"1550\">In low doses combined there is no problem, but large amounts compete for absorption channels in the intestine.<\/p>\n<p data-start=\"1552\" data-end=\"1578\"><strong data-start=\"1552\" data-end=\"1576\">Scientific rationale:<\/strong><\/p>\n<ul data-start=\"1579\" data-end=\"1644\">\n<li data-start=\"1579\" data-end=\"1644\">\n<p data-start=\"1581\" data-end=\"1644\">Both use the TRPM6\/7 transporters of intestinal epithelial cells.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1646\" data-end=\"1783\"><strong data-start=\"1646\" data-end=\"1656\">Reference:<\/strong><br data-start=\"1656\" data-end=\"1659\" \/>Rylander et al., <em data-start=\"1676\" data-end=\"1722\">Journal of the American College of Nutrition<\/em>, 2001 \u2014 discusses the mutual effects of minerals on absorption.<\/p>\n<h3 data-start=\"2343\" data-end=\"2364\">What happens in the body?<\/h3>\n<ul data-start=\"2366\" data-end=\"2760\">\n<li data-start=\"2366\" data-end=\"2493\">\n<p data-start=\"2368\" data-end=\"2493\">Both calcium and magnesium are <strong data-start=\"2399\" data-end=\"2440\">divalent minerals (Ca\u00b2\u207a, Mg\u00b2\u207a)<\/strong> and use partially similar pathways for absorption.<\/p>\n<\/li>\n<li data-start=\"2494\" data-end=\"2587\">\n<p data-start=\"2496\" data-end=\"2587\">In normal, moderate doses (like in multivitamins or food) the problem is not large.<\/p>\n<\/li>\n<li data-start=\"2588\" data-end=\"2760\">\n<p data-start=\"2590\" data-end=\"2760\">But if taking <strong data-start=\"2604\" data-end=\"2630\">large doses at once<\/strong> (e.g., 500 mg calcium + 300\u2013400 mg magnesium), they may <strong data-start=\"2690\" data-end=\"2724\">compete for absorption<\/strong>, so that less of both gets absorbed.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2762\" data-end=\"2782\">Who is this important for?<\/h3>\n<ul data-start=\"2784\" data-end=\"3005\">\n<li data-start=\"2784\" data-end=\"2897\">\n<p data-start=\"2786\" data-end=\"2897\">those who take separate strong calcium and magnesium supplements (e.g., for bone health and muscle\/function support);<\/p>\n<\/li>\n<li data-start=\"2898\" data-end=\"2940\">\n<p data-start=\"2900\" data-end=\"2940\">elderly people and those with osteoporosis;<\/p>\n<\/li>\n<li data-start=\"2941\" data-end=\"3005\">\n<p data-start=\"2943\" data-end=\"3005\">those who already have absorption disorders (such as bowel diseases).<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3007\" data-end=\"3031\">How to do it wisely?<\/h3>\n<ul data-start=\"3033\" data-end=\"3215\">\n<li data-start=\"3033\" data-end=\"3215\">\n<p data-start=\"3035\" data-end=\"3065\">If the doses are large, take:<\/p>\n<ul data-start=\"3068\" data-end=\"3215\">\n<li data-start=\"3068\" data-end=\"3136\">\n<p data-start=\"3070\" data-end=\"3136\"><strong data-start=\"3070\" data-end=\"3102\">calcium during the day with food<\/strong> (bone support, better absorption),<\/p>\n<\/li>\n<li data-start=\"3139\" data-end=\"3215\">\n<p data-start=\"3141\" data-end=\"3215\"><strong data-start=\"3141\" data-end=\"3180\">magnesium in the evening before bedtime<\/strong> (relaxing, nervous system supporting).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 data-start=\"1898\" data-end=\"1921\"><strong data-start=\"1900\" data-end=\"1919\">3. Zinc + Copper<\/strong><\/h2>\n<p data-start=\"1922\" data-end=\"1957\">\u2014 zinc overdose inhibits copper levels<\/p>\n<p data-start=\"1959\" data-end=\"2096\">Excessive zinc consumption can cause copper deficiency, as zinc reduces copper absorption in the intestine through activation of metallothioneins.<\/p>\n<p data-start=\"2098\" data-end=\"2204\"><strong data-start=\"2098\" data-end=\"2118\">Scientific reference:<\/strong><br data-start=\"2118\" data-end=\"2121\" \/>Prasad et al., <em data-start=\"2136\" data-end=\"2147\">Nutrition<\/em>, 2013 \u2014 zinc overdose causes secondary copper deficiency.<\/p>\n<h3 data-start=\"3301\" data-end=\"3316\">What happens?<\/h3>\n<ul data-start=\"3318\" data-end=\"3625\">\n<li data-start=\"3318\" data-end=\"3412\">\n<p data-start=\"3320\" data-end=\"3412\">Large amounts of zinc promote the synthesis of a protein called <strong data-start=\"3381\" data-end=\"3400\">metallothionein<\/strong> in intestinal cells.<\/p>\n<\/li>\n<li data-start=\"3413\" data-end=\"3539\">\n<p data-start=\"3415\" data-end=\"3539\">Metallothionein preferentially binds <strong data-start=\"3448\" data-end=\"3469\">copper ion (Cu\u00b2\u207a)<\/strong>, after which copper cannot enter the bloodstream and exits with waste instead.<\/p>\n<\/li>\n<li data-start=\"3540\" data-end=\"3625\">\n<p data-start=\"3542\" data-end=\"3625\">The result can be <strong data-start=\"3563\" data-end=\"3577\">copper deficiency<\/strong>, even though the person happily continues taking zinc.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3627\" data-end=\"3701\">This is well described, for example, in Prasad et al., <em data-start=\"3675\" data-end=\"3686\">Nutrition<\/em> (2013) works.<\/p>\n<h3 data-start=\"3703\" data-end=\"3724\">Why is this bad?<\/h3>\n<p data-start=\"3726\" data-end=\"3753\">Copper deficiency can cause:<\/p>\n<ul data-start=\"3754\" data-end=\"3865\">\n<li data-start=\"3754\" data-end=\"3776\">\n<p data-start=\"3756\" data-end=\"3776\">fatigue, weakness;<\/p>\n<\/li>\n<li data-start=\"3777\" data-end=\"3816\">\n<p data-start=\"3779\" data-end=\"3816\">pallor (anemia-like symptoms);<\/p>\n<\/li>\n<li data-start=\"3817\" data-end=\"3843\">\n<p data-start=\"3819\" data-end=\"3843\">nervous system disorders;<\/p>\n<\/li>\n<li data-start=\"3844\" data-end=\"3865\">\n<p data-start=\"3846\" data-end=\"3865\">decreased immunity.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3867\" data-end=\"3895\">Who should pay attention?<\/h3>\n<ul data-start=\"3897\" data-end=\"4139\">\n<li data-start=\"3897\" data-end=\"4007\">\n<p data-start=\"3899\" data-end=\"4007\">people who take <strong data-start=\"3921\" data-end=\"3963\">more than 25\u201330 mg of zinc daily long-term<\/strong> (acne, immunity, hair problems, etc.);<\/p>\n<\/li>\n<li data-start=\"4008\" data-end=\"4139\">\n<p data-start=\"4010\" data-end=\"4139\">those who take multiple zinc-rich products at once during &#8216;cold season&#8217; (zinc+immunity, zinc+vitamin C, zinc lozenges, etc.).<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4141\" data-end=\"4155\">What to do?<\/h3>\n<ul data-start=\"4157\" data-end=\"4379\">\n<li data-start=\"4157\" data-end=\"4271\">\n<p data-start=\"4159\" data-end=\"4271\">for long-term use, prefer <strong data-start=\"4194\" data-end=\"4244\">a supplement where copper is also added to zinc<\/strong> (e.g., Zn:Cu ratio ~8\u201315:1).<\/p>\n<\/li>\n<li data-start=\"4272\" data-end=\"4379\">\n<p data-start=\"4274\" data-end=\"4379\">if taking zinc &#8216;heavily and alone&#8217;, consult with a healthcare specialist and don&#8217;t do it for months in a row.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2301\" data-end=\"2324\"><strong data-start=\"2303\" data-end=\"2322\">4. Zinc + Iron<\/strong><\/h2>\n<p data-start=\"2325\" data-end=\"2369\">\u2014 both use the same absorption transport<\/p>\n<p data-start=\"2371\" data-end=\"2457\">Iron and zinc compete for the same transport mechanism in the intestine (DMT1 transporter).<\/p>\n<p data-start=\"2459\" data-end=\"2593\"><strong data-start=\"2459\" data-end=\"2469\">Reference:<\/strong><br data-start=\"2469\" data-end=\"2472\" \/>Sandstr\u00f6m et al., <em data-start=\"2490\" data-end=\"2530\">American Journal of Clinical Nutrition<\/em>, 1985 \u2014 taking zinc and iron together reduces the absorption of both.<\/p>\n<h3 data-start=\"4451\" data-end=\"4464\">Mechanism<\/h3>\n<ul data-start=\"4466\" data-end=\"4677\">\n<li data-start=\"4466\" data-end=\"4544\">\n<p data-start=\"4468\" data-end=\"4544\">Zinc and iron use similar transport in the intestine (DMT1 and other transporters).<\/p>\n<\/li>\n<li data-start=\"4545\" data-end=\"4677\">\n<p data-start=\"4547\" data-end=\"4677\">If both are given as supplements at the same time in <strong data-start=\"4585\" data-end=\"4603\">large doses<\/strong>, they interfere with each other and <strong data-start=\"4644\" data-end=\"4673\">the absorption of both decreases<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4679\" data-end=\"4780\">Sandstr\u00f6m et al. (Am J Clin Nutr, 1985) showed that simultaneous zinc supplementation reduced iron absorption.<\/p>\n<h3 data-start=\"4782\" data-end=\"4806\">Who should consider this?<\/h3>\n<ul data-start=\"4808\" data-end=\"4978\">\n<li data-start=\"4808\" data-end=\"4907\">\n<p data-start=\"4810\" data-end=\"4907\">people who have <strong data-start=\"4830\" data-end=\"4844\">iron deficiency<\/strong> and simultaneously take zinc for immunity or skin;<\/p>\n<\/li>\n<li data-start=\"4908\" data-end=\"4978\">\n<p data-start=\"4910\" data-end=\"4978\">pregnant women who have been prescribed iron supplements and also take zinc.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4980\" data-end=\"5004\">How to combine?<\/h3>\n<ul data-start=\"5006\" data-end=\"5168\">\n<li data-start=\"5006\" data-end=\"5100\">\n<p data-start=\"5008\" data-end=\"5100\">take <strong data-start=\"5013\" data-end=\"5045\">iron supplement at one time<\/strong> and zinc at <strong data-start=\"5055\" data-end=\"5065\">another<\/strong> (e.g., iron in the morning, zinc in the evening);<\/p>\n<\/li>\n<li data-start=\"5101\" data-end=\"5168\">\n<p data-start=\"5103\" data-end=\"5168\">or divide them between <strong data-start=\"5117\" data-end=\"5134\">different days<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2><strong data-start=\"2698\" data-end=\"2730\">5. Vitamin C + <a href=\"https:\/\/puhdasplus.ee\/tooted\/vitamiinid\/b-vitamiinid\/b12-vitamiin-1000-g-60-kapslit\/\" title=\"B12-vitamiin\">Vitamin B12<\/a><\/strong><\/h2>\n<p data-start=\"2732\" data-end=\"2856\">Studies show that very large doses of vitamin C (500\u20131000 mg at once) may <strong data-start=\"2815\" data-end=\"2855\">break down vitamin B12 in the digestive tract<\/strong>.<\/p>\n<h3 data-start=\"5234\" data-end=\"5249\">What happens?<\/h3>\n<ul data-start=\"5251\" data-end=\"5560\">\n<li data-start=\"5251\" data-end=\"5402\">\n<p data-start=\"5253\" data-end=\"5402\">Vitamin C is a strong antioxidant and acidic. In very large doses (500\u20131000 mg and more) it may affect the stability of vitamin B12 in the digestive tract.<\/p>\n<\/li>\n<li data-start=\"5403\" data-end=\"5560\">\n<p data-start=\"5405\" data-end=\"5560\">Some studies have shown that large C doses may <strong data-start=\"5460\" data-end=\"5518\">break down vitamin B12 or reduce its absorption<\/strong>, if they are taken at exactly the same time.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5562\" data-end=\"5662\"><strong data-start=\"2858\" data-end=\"2868\">Reference:<\/strong><br data-start=\"2868\" data-end=\"2871\" \/>Herbert &#038; Jacob, <em data-start=\"2888\" data-end=\"2919\">Journal of Clinical Nutrition<\/em>, 1992 \u2014 high vitamin C consumption reduces vitamin B12 stability.<\/p>\n<h3 data-start=\"5664\" data-end=\"5684\">Who is this important for?<\/h3>\n<ul data-start=\"5686\" data-end=\"5884\">\n<li data-start=\"5686\" data-end=\"5747\">\n<p data-start=\"5688\" data-end=\"5747\">vegetarians and vegans who take B12 supplements,<\/p>\n<\/li>\n<li data-start=\"5748\" data-end=\"5829\">\n<p data-start=\"5750\" data-end=\"5829\">people who use <strong data-start=\"5776\" data-end=\"5801\">megadoses of vitamin C<\/strong> (e.g., 1000\u20132000 mg daily),<\/p>\n<\/li>\n<li data-start=\"5830\" data-end=\"5884\">\n<p data-start=\"5832\" data-end=\"5884\">people with B12 deficiency or stomach acid problems.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5886\" data-end=\"5909\">Practical solution<\/h3>\n<ul data-start=\"5911\" data-end=\"6044\">\n<li data-start=\"5911\" data-end=\"5976\">\n<p data-start=\"5913\" data-end=\"5976\">take <strong data-start=\"5918\" data-end=\"5941\">vitamin B12 separately<\/strong> \u2013 for example, in the morning on an empty stomach;<\/p>\n<\/li>\n<li data-start=\"5977\" data-end=\"6044\">\n<p data-start=\"5979\" data-end=\"6044\">vitamin C 1\u20132 hours later with food or in the second half of the day.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3092\" data-end=\"3143\"><strong data-start=\"3094\" data-end=\"3143\">6. Vitamin K + Blood thinners (e.g., warfarin)<\/strong><\/h2>\n<p data-start=\"3145\" data-end=\"3232\">Vitamin K affects blood clotting mechanisms and may <strong data-start=\"3198\" data-end=\"3212\">counteract<\/strong> warfarin&#8217;s effects.<\/p>\n<h3 data-start=\"6101\" data-end=\"6114\">Mechanism<\/h3>\n<ul data-start=\"6116\" data-end=\"6507\">\n<li data-start=\"6116\" data-end=\"6198\">\n<p data-start=\"6118\" data-end=\"6198\">Vitamin K is essential for activating blood clotting factors (II, VII, IX, X).<\/p>\n<\/li>\n<li data-start=\"6199\" data-end=\"6342\">\n<p data-start=\"6201\" data-end=\"6342\">Warfarin and similar medications work by <strong data-start=\"6240\" data-end=\"6279\">inhibiting the vitamin K cycle<\/strong> \u2013 they prevent vitamin K from being &#8216;recycled&#8217; into active form.<\/p>\n<\/li>\n<li data-start=\"6343\" data-end=\"6507\">\n<p data-start=\"6345\" data-end=\"6507\">If a person starts taking <strong data-start=\"6370\" data-end=\"6400\">large amounts of vitamin K<\/strong> (e.g., as a supplement), this may <strong data-start=\"6444\" data-end=\"6458\">weaken<\/strong> warfarin&#8217;s effect and make blood too &#8216;thick&#8217; (risk of clots).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6509\" data-end=\"6587\">Booth et al., <em data-start=\"6523\" data-end=\"6530\">Blood<\/em> (2013) describe the interaction between warfarin and vitamin K.<\/p>\n<h3 data-start=\"6589\" data-end=\"6625\">Who is this REALLY important for?<\/h3>\n<ul data-start=\"6627\" data-end=\"6771\">\n<li data-start=\"6627\" data-end=\"6771\">\n<p data-start=\"6629\" data-end=\"6771\">only for those who take <strong data-start=\"6655\" data-end=\"6683\">blood-thinning medications<\/strong> (warfarin, some new anticoagulants \u2013 though all have slightly different mechanisms).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6773\" data-end=\"6910\">In a healthy person who doesn&#8217;t use these medications, vitamin K is not a problem \u2013 rather quite necessary (especially for bone and blood vessel health).<\/p>\n<h3 data-start=\"6912\" data-end=\"6950\">What to do if you use warfarin?<\/h3>\n<ul data-start=\"6952\" data-end=\"7190\">\n<li data-start=\"6952\" data-end=\"7022\">\n<p data-start=\"6954\" data-end=\"7022\">don&#8217;t start or stop <strong data-start=\"6976\" data-end=\"7012\">large vitamin K supplements<\/strong> on your own;<\/p>\n<\/li>\n<li data-start=\"7023\" data-end=\"7129\">\n<p data-start=\"7025\" data-end=\"7129\">keep <strong data-start=\"7030\" data-end=\"7077\">vitamin K intake as stable as possible<\/strong> (don&#8217;t swing between &#8216;completely without&#8217; and &#8216;mega much&#8217;);<\/p>\n<\/li>\n<li data-start=\"7130\" data-end=\"7190\">\n<p data-start=\"7132\" data-end=\"7190\">definitely discuss any supplements <strong data-start=\"7168\" data-end=\"7189\">with your doctor<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3482\" data-end=\"3525\"><strong data-start=\"3484\" data-end=\"3525\">7. Vitamin E + Iron (large doses)<\/strong><\/h2>\n<p data-start=\"3527\" data-end=\"3597\">Vitamin E may reduce iron absorption and change its bioavailability.<\/p>\n<p data-start=\"3599\" data-end=\"3736\"><strong data-start=\"3599\" data-end=\"3609\">Reference:<\/strong><br data-start=\"3609\" data-end=\"3612\" \/>Brigelius-Floh\u00e9 et al., <em data-start=\"3636\" data-end=\"3669\">Free Radical Biology &#038; Medicine<\/em>, 2002 \u2014 vitamin E&#8217;s antioxidant effect affects iron metabolism.<\/p>\n<h3 data-start=\"7245\" data-end=\"7260\">What happens?<\/h3>\n<ul data-start=\"7262\" data-end=\"7542\">\n<li data-start=\"7262\" data-end=\"7306\">\n<p data-start=\"7264\" data-end=\"7306\">Vitamin E is a fat-soluble antioxidant.<\/p>\n<\/li>\n<li data-start=\"7307\" data-end=\"7458\">\n<p data-start=\"7309\" data-end=\"7458\">Studies have found that large E doses may affect iron metabolism and <strong data-start=\"7388\" data-end=\"7454\">reduce iron absorption or change its behavior in the organism<\/strong>.<\/p>\n<\/li>\n<li data-start=\"7459\" data-end=\"7542\">\n<p data-start=\"7461\" data-end=\"7542\">This is especially important when iron is taken for <strong data-start=\"7508\" data-end=\"7525\">therapeutic purposes<\/strong> (treating anemia).<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"7544\" data-end=\"7564\">Who is this important for?<\/h3>\n<ul data-start=\"7566\" data-end=\"7718\">\n<li data-start=\"7566\" data-end=\"7651\">\n<p data-start=\"7568\" data-end=\"7651\">those who take <strong data-start=\"7587\" data-end=\"7615\">large doses of vitamin E<\/strong> (e.g., 200\u2013400 IU daily and more);<\/p>\n<\/li>\n<li data-start=\"7652\" data-end=\"7718\">\n<p data-start=\"7654\" data-end=\"7718\">people whose main goal is <strong data-start=\"7687\" data-end=\"7717\">correcting iron deficiency<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"7720\" data-end=\"7739\">How to behave?<\/h3>\n<ul data-start=\"7741\" data-end=\"7893\">\n<li data-start=\"7741\" data-end=\"7829\">\n<p data-start=\"7743\" data-end=\"7829\">if taking iron treatment, keep vitamin E rather at <strong data-start=\"7786\" data-end=\"7806\">moderate levels<\/strong> and separated in time;<\/p>\n<\/li>\n<li data-start=\"7830\" data-end=\"7893\">\n<p data-start=\"7832\" data-end=\"7893\">ideally take vitamin E with food at some other time of day.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3835\" data-end=\"3869\"><strong data-start=\"3837\" data-end=\"3869\">8. Omega-3 + Blood thinners<\/strong><\/h2>\n<p data-start=\"3871\" data-end=\"3937\">Omega-3 fatty acids naturally have a mildly blood-thinning effect.<\/p>\n<p data-start=\"3939\" data-end=\"4058\"><strong data-start=\"3939\" data-end=\"3949\">Reference:<\/strong><br data-start=\"3949\" data-end=\"3952\" \/>Brouwer et al., <em data-start=\"3968\" data-end=\"3990\">Journal of Nutrition<\/em>, 2006 \u2014 <a href=\"https:\/\/puhdasplus.ee\/tooted\/sudame-tervis\/oomega-3\/preemium-oomega-3\/\">omega-3<\/a> fatty acids affect platelet aggregation.<\/p>\n<h3 data-start=\"7933\" data-end=\"7948\">What happens?<\/h3>\n<ul data-start=\"7950\" data-end=\"8283\">\n<li data-start=\"7950\" data-end=\"8070\">\n<p data-start=\"7952\" data-end=\"8070\">Omega-3 fatty acids (EPA and DHA) affect <strong data-start=\"7995\" data-end=\"8027\">platelet aggregation<\/strong> \u2013 they make blood slightly more &#8216;flowing&#8217;.<\/p>\n<\/li>\n<li data-start=\"8071\" data-end=\"8164\">\n<p data-start=\"8073\" data-end=\"8164\">Blood thinners (e.g., warfarin, some other anticoagulants) do the same, but more strongly.<\/p>\n<\/li>\n<li data-start=\"8165\" data-end=\"8283\">\n<p data-start=\"8167\" data-end=\"8283\">The combination <strong data-start=\"8181\" data-end=\"8211\">is not automatically dangerous<\/strong>, but caution is needed regarding doses and individual health.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8285\" data-end=\"8369\">Brouwer et al., <em data-start=\"8301\" data-end=\"8323\">Journal of Nutrition<\/em> describes omega-3&#8217;s role in platelet function.<\/p>\n<h3 data-start=\"8371\" data-end=\"8391\">Who is this important for?<\/h3>\n<ul data-start=\"8393\" data-end=\"8546\">\n<li data-start=\"8393\" data-end=\"8461\">\n<p data-start=\"8395\" data-end=\"8461\">people who take <strong data-start=\"8419\" data-end=\"8458\">prescription medications for blood thinning<\/strong>;<\/p>\n<\/li>\n<li data-start=\"8462\" data-end=\"8546\">\n<p data-start=\"8464\" data-end=\"8546\">those who already have high bleeding risk (ulcers, recent surgery, etc.).<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"8548\" data-end=\"8562\">What to do?<\/h3>\n<ul data-start=\"8564\" data-end=\"8807\">\n<li data-start=\"8564\" data-end=\"8683\">\n<p data-start=\"8566\" data-end=\"8683\">don&#8217;t take <strong data-start=\"8576\" data-end=\"8600\">large omega-3 doses<\/strong> (e.g., > 2\u20133 g EPA\/DHA daily) without talking to a doctor, if you use blood thinners;<\/p>\n<\/li>\n<li data-start=\"8684\" data-end=\"8807\">\n<p data-start=\"8686\" data-end=\"8807\">normal doses (e.g., 500\u20131000 mg EPA+DHA daily) are mostly safe, but again \u2013 your doctor or pharmacist should know what you&#8217;re taking.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"4155\" data-end=\"4190\"><strong>9. Green tea \/ coffee + Iron<\/strong><\/h2>\n<p data-start=\"4214\" data-end=\"4324\">Although these aren&#8217;t supplements, they&#8217;re worth mentioning. Tannins and caffeine strongly inhibit iron absorption.<\/p>\n<h3 data-start=\"8906\" data-end=\"8921\">What happens?<\/h3>\n<ul data-start=\"8923\" data-end=\"9170\">\n<li data-start=\"8923\" data-end=\"9041\">\n<p data-start=\"8925\" data-end=\"9041\">Tea and coffee contain <strong data-start=\"8948\" data-end=\"8975\">tannins and polyphenols<\/strong>, which bind non-heme iron and prevent its absorption.<\/p>\n<\/li>\n<li data-start=\"9042\" data-end=\"9170\">\n<p data-start=\"9044\" data-end=\"9170\">Studies have shown that drinking tea with an iron-rich meal or iron supplement can reduce iron absorption by up to <strong data-start=\"9156\" data-end=\"9166\">60\u201370%<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9244\" data-end=\"9264\"><strong data-start=\"4326\" data-end=\"4336\">Reference:<\/strong><br data-start=\"4336\" data-end=\"4339\" \/>Disler et al., <em data-start=\"4354\" data-end=\"4379\">British Medical Journal<\/em>, 1975 \u2014 tea tannins reduce iron absorption by up to 70%.<\/p>\n<h3 data-start=\"9244\" data-end=\"9264\">Who is this important for?<\/h3>\n<ul data-start=\"9266\" data-end=\"9386\">\n<li data-start=\"9266\" data-end=\"9346\">\n<p data-start=\"9268\" data-end=\"9346\">everyone who has been diagnosed with <strong data-start=\"9300\" data-end=\"9314\">iron deficiency<\/strong> or whose ferritin is low;<\/p>\n<\/li>\n<li data-start=\"9347\" data-end=\"9386\">\n<p data-start=\"9349\" data-end=\"9386\">pregnant women, vegetarians, teenagers.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"9388\" data-end=\"9409\">Practical tips<\/h3>\n<ul data-start=\"9411\" data-end=\"9556\">\n<li data-start=\"9411\" data-end=\"9480\">\n<p data-start=\"9413\" data-end=\"9480\">don&#8217;t drink coffee or tea <strong data-start=\"9436\" data-end=\"9477\">1\u20132 hours before and after iron supplements<\/strong>;<\/p>\n<\/li>\n<li data-start=\"9481\" data-end=\"9556\">\n<p data-start=\"9483\" data-end=\"9556\">if you want to take it with something, prefer water or vitamin C-rich drink.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"9563\" data-end=\"9617\"><strong>How to wisely combine supplements in general?<\/strong><\/h2>\n<p data-start=\"9619\" data-end=\"9720\">Instead of memorizing dozens of &#8216;don&#8217;t take together&#8217; pairs, it helps to think according to a few simple principles:<\/p>\n<ol data-start=\"9722\" data-end=\"10449\">\n<li data-start=\"9722\" data-end=\"9864\">\n<p data-start=\"9725\" data-end=\"9777\"><strong data-start=\"9725\" data-end=\"9775\">Minerals (iron, zinc, magnesium, calcium)<\/strong><\/p>\n<ul data-start=\"9781\" data-end=\"9864\">\n<li data-start=\"9781\" data-end=\"9815\">\n<p data-start=\"9783\" data-end=\"9815\">don&#8217;t cram them all at once;<\/p>\n<\/li>\n<li data-start=\"9819\" data-end=\"9864\">\n<p data-start=\"9821\" data-end=\"9864\">better spread them throughout the day (morning\/day\/evening).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"9866\" data-end=\"10007\">\n<p data-start=\"9869\" data-end=\"9913\"><strong data-start=\"9869\" data-end=\"9911\">Fat-soluble vitamins (A, D, E, K)<\/strong><\/p>\n<ul data-start=\"9917\" data-end=\"10007\">\n<li data-start=\"9917\" data-end=\"10007\">\n<p data-start=\"9919\" data-end=\"10007\">take with <strong data-start=\"9929\" data-end=\"9963\">food containing some fat<\/strong> (e.g., lunch with oil, fish, nuts).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"10009\" data-end=\"10211\">\n<p data-start=\"10012\" data-end=\"10041\"><strong data-start=\"10012\" data-end=\"10039\">Medications + supplements<\/strong><\/p>\n<ul data-start=\"10045\" data-end=\"10211\">\n<li data-start=\"10045\" data-end=\"10131\">\n<p data-start=\"10047\" data-end=\"10131\">blood thinners + vitamin K or large omega-3 amount = always coordinate with doctor;<\/p>\n<\/li>\n<li data-start=\"10135\" data-end=\"10211\">\n<p data-start=\"10137\" data-end=\"10211\">iron supplements = be careful with tea, coffee, calcium and zinc.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"10213\" data-end=\"10449\">\n<p data-start=\"10216\" data-end=\"10260\"><strong data-start=\"10216\" data-end=\"10258\">Don&#8217;t make a cocktail of 10\u201315 products at once<\/strong><\/p>\n<ul data-start=\"10264\" data-end=\"10449\">\n<li data-start=\"10264\" data-end=\"10340\">\n<p data-start=\"10266\" data-end=\"10340\">rather choose a thoughtful base (multivitamin, D, omega-3, magnesium, etc.)<\/p>\n<\/li>\n<li data-start=\"10344\" data-end=\"10449\">\n<p data-start=\"10346\" data-end=\"10449\">for treating special conditions (iron deficiency, B12 deficiency, etc.) do a <strong data-start=\"10400\" data-end=\"10412\">targeted treatment<\/strong>, during which you reduce other interfering factors.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2 data-start=\"4580\" data-end=\"4884\"><strong>Why pure single-ingredient supplements are a better choice?<\/strong><\/h2>\n<p data-start=\"406\" data-end=\"683\">When talking about supplements, one of the most common challenges is that many products on the market contain <strong data-start=\"520\" data-end=\"553\">long lists of ingredients<\/strong>: mixtures of vitamins, minerals and plant extracts, fillers, colorants, sweeteners and sometimes completely unnecessary additives.<\/p>\n<p data-start=\"685\" data-end=\"759\">Such &#8216;combo products&#8217; may seem convenient, but they have several drawbacks:<\/p>\n<ul data-start=\"761\" data-end=\"1105\">\n<li data-start=\"761\" data-end=\"838\">\n<p data-start=\"763\" data-end=\"838\">You never know exactly <strong data-start=\"789\" data-end=\"835\">what absorbs well and what gets overshadowed by others<\/strong>.<\/p>\n<\/li>\n<li data-start=\"839\" data-end=\"938\">\n<p data-start=\"841\" data-end=\"938\">Some ingredients may <strong data-start=\"865\" data-end=\"900\">reduce each other&#8217;s absorption<\/strong> (e.g., iron + calcium, zinc + copper).<\/p>\n<\/li>\n<li data-start=\"939\" data-end=\"1013\">\n<p data-start=\"941\" data-end=\"1013\">If you experience side effects, it&#8217;s <strong data-start=\"971\" data-end=\"1010\">difficult to understand what caused it<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1014\" data-end=\"1105\">\n<p data-start=\"1016\" data-end=\"1105\">Doses cannot be individually regulated because all ingredients are packed into one tablet.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1107\" data-end=\"1245\">This is exactly why <strong data-start=\"1124\" data-end=\"1135\">Puhdas+<\/strong> products are a reliable choice for many \u2013 they follow a different principle:<br data-start=\"1208\" data-end=\"1211\" \/><strong data-start=\"1211\" data-end=\"1245\">purity, simplicity, transparency<\/strong><\/p>\n<h2 data-start=\"1252\" data-end=\"1300\"><strong data-start=\"1255\" data-end=\"1300\">Puhdas+ \u2013 what makes these products special?<\/strong><\/h2>\n<h3 data-start=\"1302\" data-end=\"1365\"><strong data-start=\"1306\" data-end=\"1365\">1. One active ingredient at a time \u2013 no &#8216;all in one&#8217; cocktails<\/strong><\/h3>\n<p data-start=\"1367\" data-end=\"1555\">Puhdas+ products focus on <strong data-start=\"1394\" data-end=\"1475\">one clear vitamin, mineral or bioactive ingredient at a time<\/strong>.<br data-start=\"1476\" data-end=\"1479\" \/>This means you get exactly what you need \u2013 nothing superfluous.<\/p>\n<p data-start=\"1557\" data-end=\"1565\">For example:<\/p>\n<ul data-start=\"1566\" data-end=\"1804\">\n<li data-start=\"1566\" data-end=\"1709\">\n<p data-start=\"1568\" data-end=\"1709\">if you need magnesium, you get <strong data-start=\"1599\" data-end=\"1614\">magnesium<\/strong> \u2013 not a combination of iron, zinc or calcium that could interfere with its absorption;<\/p>\n<\/li>\n<li data-start=\"1710\" data-end=\"1804\">\n<p data-start=\"1712\" data-end=\"1804\">if you need oat fiber or vitamin C, you take <strong data-start=\"1756\" data-end=\"1769\">only that<\/strong>, not a long list of additives.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1806\" data-end=\"1916\">This is especially important for those who want to support their health <strong data-start=\"1868\" data-end=\"1899\">in a balanced and conscious way<\/strong>, not &#8216;blindly&#8217;.<\/p>\n<h3 data-start=\"1923\" data-end=\"1988\"><strong data-start=\"1927\" data-end=\"1988\">2. No fillers, colorants, artificial sweeteners<\/strong><\/h3>\n<p data-start=\"1990\" data-end=\"2103\">The Puhdas+ name is not accidental \u2014 their philosophy focuses on products being <strong data-start=\"2075\" data-end=\"2102\">as pure as possible<\/strong>:<\/p>\n<ul data-start=\"2105\" data-end=\"2350\">\n<li data-start=\"2105\" data-end=\"2150\">\n<p data-start=\"2107\" data-end=\"2150\">no artificial fragrances or flavorings<\/p>\n<\/li>\n<li data-start=\"2151\" data-end=\"2173\">\n<p data-start=\"2153\" data-end=\"2173\">no sweeteners<\/p>\n<\/li>\n<li data-start=\"2174\" data-end=\"2206\">\n<p data-start=\"2176\" data-end=\"2206\">no artificial colorants<\/p>\n<\/li>\n<li data-start=\"2207\" data-end=\"2251\">\n<p data-start=\"2209\" data-end=\"2251\">minimal or no fillers at all<\/p>\n<\/li>\n<li data-start=\"2252\" data-end=\"2297\">\n<p data-start=\"2254\" data-end=\"2297\">no genetically modified ingredients<\/p>\n<\/li>\n<li data-start=\"2298\" data-end=\"2350\">\n<p data-start=\"2300\" data-end=\"2350\">no unnecessary mixtures or &#8216;marketing additives&#8217;<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2352\" data-end=\"2432\">Pure ingredients = better tolerability = lower risk for digestion and allergies.<\/p>\n<h3 data-start=\"2439\" data-end=\"2490\"><strong>3. The minimal composition of products allows you to<\/strong><\/h3>\n<p data-start=\"2491\" data-end=\"2526\"><strong data-start=\"2491\" data-end=\"2526\">precisely account for your needs<\/strong><\/p>\n<p data-start=\"2528\" data-end=\"2581\">When a product contains only one active ingredient, you can:<\/p>\n<ul data-start=\"2583\" data-end=\"3008\">\n<li data-start=\"2583\" data-end=\"2634\">\n<p data-start=\"2585\" data-end=\"2634\"><strong data-start=\"2585\" data-end=\"2632\">combine exactly as your body needs<\/strong><\/p>\n<\/li>\n<li data-start=\"2635\" data-end=\"2702\">\n<p data-start=\"2637\" data-end=\"2702\">take in the morning\/evening according to how it works for you<\/p>\n<\/li>\n<li data-start=\"2703\" data-end=\"2775\">\n<p data-start=\"2705\" data-end=\"2775\">increase or decrease the dose yourself, without affecting other active ingredients<\/p>\n<\/li>\n<li data-start=\"2776\" data-end=\"2836\">\n<p data-start=\"2778\" data-end=\"2836\">take breaks with one specific ingredient, without affecting the rest<\/p>\n<\/li>\n<li data-start=\"2837\" data-end=\"2911\">\n<p data-start=\"2839\" data-end=\"2911\">adapt in different seasons (e.g., more <a href=\"https:\/\/puhdasplus.ee\/en\/tooted\/vitamins\/vitamin-d\/vegan-vitamin-d3-100-%c2%b5g-60-capsules\/\" title=\"D-vitamiini\">vitamin D<\/a> in winter, less in summer)<\/p>\n<\/li>\n<li data-start=\"2912\" data-end=\"3008\">\n<p data-start=\"2914\" data-end=\"3008\">use purposefully (e.g., magnesium before sleep, iron in the morning, vitamin C during flu season)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3010\" data-end=\"3104\">Such flexibility is not possible to achieve with &#8216;three in one&#8217; or &#8216;all in one&#8217; multi-complexes.<\/p>\n<h3 data-start=\"3111\" data-end=\"3170\"><strong data-start=\"3115\" data-end=\"3170\">4. Better trackability \u2013 you know exactly what works for you<\/strong><\/h3>\n<p data-start=\"3172\" data-end=\"3229\">When a product is pure and has one active ingredient, you quickly understand:<\/p>\n<ul data-start=\"3231\" data-end=\"3359\">\n<li data-start=\"3231\" data-end=\"3255\">\n<p data-start=\"3233\" data-end=\"3255\">what actually works,<\/p>\n<\/li>\n<li data-start=\"3256\" data-end=\"3284\">\n<p data-start=\"3258\" data-end=\"3284\">what increases energy levels,<\/p>\n<\/li>\n<li data-start=\"3285\" data-end=\"3306\">\n<p data-start=\"3287\" data-end=\"3306\">what improves sleep,<\/p>\n<\/li>\n<li data-start=\"3307\" data-end=\"3332\">\n<p data-start=\"3309\" data-end=\"3332\">what supports digestion,<\/p>\n<\/li>\n<li data-start=\"3333\" data-end=\"3359\">\n<p data-start=\"3335\" data-end=\"3359\">what doesn&#8217;t suit your body.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3361\" data-end=\"3504\">If a side effect should occur (e.g., rare stomach upset), it&#8217;s <strong data-start=\"3417\" data-end=\"3449\">very easy to identify the cause<\/strong>.<br data-start=\"3450\" data-end=\"3453\" \/>With multi-ingredient mixtures, this is almost impossible.<\/p>\n<p><strong data-start=\"3895\" data-end=\"4038\">Puhdas+ products&#8217; purity and single-ingredient principle give you the opportunity to support your health in a way that truly accounts for your own needs.<\/strong><br data-start=\"4038\" data-end=\"4041\" \/>You don&#8217;t take &#8216;excess&#8217; that could interfere with something.<br data-start=\"4090\" data-end=\"4093\" \/>You don&#8217;t risk uncomfortable interactions.<br data-start=\"4131\" data-end=\"4134\" \/>And you can listen to your body more precisely, because each supplement serves a clear and concrete purpose.<\/p>\n<p data-start=\"4580\" data-end=\"4884\"><strong>When vitamins work together in the right rhythm, your body works better too. Smart combining is as important as smart choosing.<\/strong><\/p>\n<hr \/>\n<h3>Also read:<\/h3>\n<ul>\n<li><a href=\"https:\/\/puhdasplus.ee\/en\/glucosamine-natural-support-for-joint-health\/\" title=\"Miks teadlik tarbija eelistab Puhdas+ tooteid?\">Why conscious consumers prefer Puhdas+ products?<\/a><\/li>\n<li><a href=\"https:\/\/puhdasplus.ee\/en\/masculinity-in-focus-natural-support-for-boosting-testosterone\/\" title=\"D-vitamiinist teadlikult: miks, millal ja kuidas valida sobiv toidulisand?\">About vitamin D consciously: why, when and how to choose a suitable supplement?<\/a><\/li>\n<li><a href=\"https:\/\/puhdasplus.ee\/terveelliset-elamantavat-osa-1-vesi\/\" title=\"Tervislikud eluviisid, osa 1: Vesi\">Healthy lifestyles, part 1: Water<\/a><\/li>\n<li><a href=\"https:\/\/puhdasplus.ee\/en\/blog\/\" title=\"Puhdas+ blogi\">All blog articles \u2192<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Supplements can be valuable support for our nutrition, but not all vitamins and minerals are wise to take at once. Supplements are not simply &#8216;the more, the better&#8217;. Vitamins and minerals behave in the body like a small orchestra \u2013 if some play too loudly or in the wrong rhythm, then others cannot be heard [&hellip;]<\/p>\n","protected":false},"author":476,"featured_media":355017,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"googlesitekit_rrm_CAow3eq7DA:productID":"","footnotes":""},"categories":[1775],"tags":[7979,7669,8003],"class_list":["post-355012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-iron","tag-magnesium","tag-zinc"],"acf":[],"featured_image_src":{"landsacpe":["https:\/\/puhdasplus.ee\/wp-content\/uploads\/2025\/11\/www.puhdasplus.ee-2-copy-3-1140x445.jpg",1140,445,true],"list":["https:\/\/puhdasplus.ee\/wp-content\/uploads\/2025\/11\/www.puhdasplus.ee-2-copy-3-463x348.jpg",463,348,true],"medium":["https:\/\/puhdasplus.ee\/wp-content\/uploads\/2025\/11\/www.puhdasplus.ee-2-copy-3-300x111.jpg",300,111,true],"full":["https:\/\/puhdasplus.ee\/wp-content\/uploads\/2025\/11\/www.puhdasplus.ee-2-copy-3-scaled.jpg",2560,947,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Which vitamins and supplements should not be taken together | Puhdas+<\/title>\n<meta name=\"description\" content=\"Which vitamins and minerals should not be taken together? 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