Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

Vitamin D supplements are widely used for bone health and immunity, but excessive intake can lead to silent side effects.

Vitamin D and iron are two nutrients that many people in the U.S. don’t get enough of. One in four people in the U.S. don’t get enough vitamin D while 10 million people in the U.S. are deficient in ...

While they may be beneficial on their own, taking these supplements together could hinder absorption or be outright unsafe.

“Practical advice would be: If you’re taking iron, do it at least one to two hours away from coffee. Vitamin C can help ...

The U.S. Food & Drug Administration has recalled a dietary supplement from Modern Warrior. The recall is due to undeclared, ...

While prenatal vitamins help ensure you and your growing baby get the nutrition you need during pregnancy, they can cause some unpleasant side effects. "After all, pregnancy and nursing take a lot out ...

Vitamin D supplementation appeared to be both effective and safe, though careful monitoring is advised. Vitamin D supplementation demonstrated potential benefits for oncology patients, mitigating the ...