Supplements like whey protein, high-dose vitamins B6 and B12, and iodine-rich seaweed can trigger acne in some people.

Vitamin B12 deficiency can also cause symptoms that affect your brain and nervous system (neurological symptoms), including: According to The Whittington Hospital NHS Trust calcium is important ...

"Our bodies require a diverse array of vitamins and minerals to function optimally. When our diet falls short in providing these essential nutrients, multivitamins can step in to fill the gap.

Researchers have expressed concern about the harmful effects they can have on human health. Getty Images After reviewing 3,000 studies on the matter, researchers from UC San Francisco (UCSF ...