Vitamin B supplements can cause skin rashes, hives, and flushing if taken in excess. Learn about potential side effects and when to consult a healthcare provider.

Most people do best when they take vitamin B in the morning or early afternoon. “Many B vitamins, particularly B12 and B6, ...

Explore how vitamin B₁₂ supports the brain and nervous system, why deficiencies persist even in well-nourished populations, ...

Doctors recommend you get 65 to 90mg of vitamin C per day. Taking over 2,000 mg of vitamin C supplements can result in ...

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.

Vitamin B12 plays a crucial role in maintaining the body's health and performance. With this knowledge, people often reach for related supplements at the drugstore. But how much Vitamin B12 do we ...

Fredric Gorin, Sarah Torres, and Pamela J. Lein discuss the implications of vitamin A supplementation during a recent measles outbreak in the US. They explain that a common misconception – that ...

It’s not hard to find a vitamin D–fortified food or beverage product. Companies have rolled out a steady stream of them over the past few decades. Orange juice, milk, yogurt, nondairy milk ...

Vitamin A does more than just stimulate collagen for the smoothest and firmest skin. The fat-soluble vitamin is crucial to our overall health and does a lot to support our immune system, cell growth, ...

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Oral vitamin B12 supplements may offer an additional way to prevent hand-foot syndrome, a common side effect of chemotherapy with capecitabine, a clinical trial suggested. The phase 3 trial, conducted ...