Which vitamins should NOT be taken together


Research has found that vitamins in some combinations block each other, or that a large dose of one masks deficiency symptoms of the other

Treat vitamins and nutritional supplements like medicines: read the leaflets and consult a doctor or pharmacist about interactions with food, drink and other preparations

In nutritionist math, 2 can be less than 1. There are examples like this in every area of ​​nutritional science, including vitamins. Individual players in some combinations compromise each other.

A zero result can be obtained from an unsuccessful selection of foods in one meal. But the real obvious damage can be when drinking a bunch of vitamins and nutritional supplements in large quantities, which interfere with each other. This is just one of the arguments for the medical recommendation that even taking vitamins consult a doctor or pharmacist. Life shows otherwise: their use almost doubles during the pandemic, and in most cases the solution is spontaneous and on the principle of Winnie the Pooh.

There are at least three objections to this. First, studies show that in healthy people who eat a balanced diet, there are usually no deficiencies and no need for supplements. Second, when a deficiency is found, vitamins from food are absorbed more fully than vitamins from a pill, or so most studies conclude. Third, taking two or more vitamins en bloc may have zero net effect if one does not know how they are metabolized.

For example, vitamin C is a bad combination with vitamin B12

according to the US National Library of Medicine’s Health Portal. There is no doubt that vitamin C is very important for health and immunity. But not when it is combined with vitamin B12, equally necessary for the human body, which has gained special relevance with the increase of vegetarian and vegan societies.

Vitamin C is an essential antioxidant for the good functioning of the immune system. Vitamin B12 is a condition for the maintenance of the nervous system and the formation of red blood cells, which are responsible for the delivery of oxygen to every part of the body. However, when we simultaneously swallow the two vitamins or supplements in which they are the “active” substance, the metabolism goes into a loop. Biochemical analyzes have shown that taking these two supplements at the same time can reduce the amount of vitamin B12 a person gets. This does not mean making consecutive courses over time. But there should be an interval of at least two hours between taking the two vitamins.

Vegetarianism – increasingly common among young people – is associated with the potential risk of a severe deficiency of one of the B vitamins. Unsuspectingly, many young women of childbearing age drink two B vitamins at the same time – B9 and B12, as a pledge for healthy offspring and at the same time to obtain the vitamin that they lack due to the rejection of animal products. But there is a subtlety.

Vitamin B9 (folic acid) can lie for vitamin B12

Although both vitamins are extremely important, oversaturation of large doses of folic acid can mask the symptoms of vitamin B12 deficiency. The recommendation is to examine their presence in the body with regular intake of both vitamins. How often, the doctor will determine. Even better, before including supplements in your regimen, consult. And keep in mind that when B9 and B12 are taken simultaneously, the symptoms of B12 deficiency are masked.

Another combination to avoid is related to vitamins that, as part of their role, affect the density of the blood and its tendency to clot.

Vitamin E and vitamin K pull in opposite directions

Vitamin E has always been “in fashion” because of its role in immunity, as well as vitamin D. Vitamin K has been talked about relatively recently as a condition for the full absorption of vitamin D and calcium, but also as an auxiliary substance for blood clotting. When chasing some supposedly ultra-reliable immunity, many take both substances and vitamin E at the same time. This can be a problem. A pointless exercise to say the least. Concomitant intake of vitamin E may counteract vitamin K in the blood.

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