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

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much ...

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...

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.

New research indicates that high levels of folate and vitamin B12 may elevate prostate cancer risk, particularly for ...

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

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