Too Many Vitamins are Bad for You
“Unless you are suffering from a severe deficiency, if you have a disease or disorder that is causing you to be nutrient-deficient, the most you are going to need is a high quality multivitamin supplement, to be taken as insurance, and not used as your main source of nutrients,” says nutritionist Laurie Tansman. But many of us take much more than that, and it turns out that can be dangerous.
The fat-soluble vitamins A, D and E can be stored for long periods of time in the body, build up in the liver and become toxic. “Vitamin D is one of the most toxic supplements there is, and in extreme cases and in very large amounts can lead to liver and kidney failure,” says nutritionist Jyni Holland.
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