Vitamin B12, also known as cobalamin, is an important nutrient in food, especially seafood, animal products, and foods ...

DEAR DR. ROACH: How much vitamin B12 should I take as a diabetic? — T.H. ANSWER: Many people have strong feelings that vitamin B12 can dramatically improve their health, but it only helps to take ...

Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Take vitamin B12 on an empty stomach in the morning or early afternoon to maximize absorption and avoid sleep disruptions.Vegans, older adults, ...

Feeling low-energy? You could be among the estimated 3.6% of Americans who are deficient and 12.5% who get insufficient amounts of vitamin B12. Everyone requires a certain amount of B12 depending on ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

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 ...

While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, ...

Dear Dr. Roach: How much vitamin B12 should I take as a diabetic? — T.H. Answer: Many people have strong feelings that vitamin B12 can dramatically improve their health, but it only helps to take ...