When Vitamins Are Bad for Your Health

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Geo Beats
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Although it’s often thought that vitamins are a necessary part of a nutritious diet, taking supplements can actually be harmful to a person’s health.

Although it’s often thought that vitamins are a necessary part of a nutritious diet, taking supplements can actually be harmful to a person’s health.



Vitamins are marketed as being good for you and some people do see health benefits from taking supplements if a doctor recommends them, but taking large doses of vitamins is unhealthy.



The World Health Organization warns that high doses of vitamin A can cause birth defects and other problems for pregnant women.



Two time Nobel prize winning scientist Linus Pauling believed that high doses of vitamin C can help prevent the flu, cancer, heart disease, and other health problems, which has contributed to the popular cure all status that vitamin C has received.



There are studies linking a variety of health problems with the use of different vitamin or mineral supplements, including reduced immune system function from excessive consumption of zinc, and cell damage resulting from too much niacin.



The UK's National Institute for Health and Clinical Excellence says that supplements should only consider taking them if the person already has or is at risk of a vitamin deficiency.


Taking multiple vitamin supplements can interfere with the absorption of others and can actually lead to an imbalance.

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