Supplements containing as much as 12.5 times the recommended daily dose of vitamins are being sold on online marketplaces, according to research by Which?.

DEAR DR. ROACH: I am 73, and I was worried about dementia. Turns out, I am “normal.” However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin has 100 mcg, which is 4,167% of ...

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 presence in your body.

Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.

DEAR DR. ROACH: I’m a vegan, and my multivitamin is my only source of B12. It states I’m getting 200% of my daily requirement. Is that sufficient? — M.E. ANSWER: People who are strict vegans — that is ...

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.

Metformin is the first therapy for almost everyone with type 2 diabetes, but studies show that the drug creates a risk of vitamin B12 deficiency. Your clinician should test your B12 levels regularly ...

Dear Doctor: I'm almost 90 years old and always tired. I took two capsules of 2,000 mcg vitamin B12 the other night, and felt stronger and not as tired. Is it safe? Dear Reader: My first thought is ...

Vitamin B12 benefits include improving mood, reducing your risk of dementia, and supporting healthy hair and nail growth.

A high daily dose of vitamin D may reduce your risk of being admitted to hospital. But the results are based on a relatively short study, and the researchers can’t be certain that the supplements were ...

Supplements containing as much as 12.5 times the recommended daily dose of vitamins are being sold on online marketplaces, ...

Dear Dr. Roach: I’m a vegan, and my multivitamin is my only source of B12. It states I’m getting 200% of my daily requirement. Is that sufficient? Dear M.E.: People who are strict vegans — that is, ...