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

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 ...

From vitamins C and D to calcium and magnesium, it’s critical to know whether you’re taking the correct dosage to avoid health problems ...

You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may experience side effects like dizziness, nausea, and fatigue. It is possible to have elevated B12 ...

Vitamin B12 is one of eight B vitamins that play essential roles in your health, including neurological function, DNA and red blood cell production, and metabolism. Most people consume enough B12 ...

Low on energy or focus? A doctor explains how vitamin B12 supplements can support nerves, stamina, and daily vitality.

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 ...

Fact checked by Nick Blackmer There’s no single best time of day to take a vitamin B12 supplement.Because it’s water-soluble ...

A neurologist explains how common medications can cause vitamin B12 deficiency, damage nerves over time, and trigger numbness ...