The doctor explains B12 sources from a vegetarian diet, who needs them most, and how to incorporate them into a daily diet ...

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 ...

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 ...

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 ...

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 ...

Q: Years ago, I started taking a vitamin B12 supplement. Over the past few years, I have had disabling pain in my feet diagnosed as nondiabetic neuropathy. The primary symptoms were burning, stabbing ...

B12 supplements to take in 2025, according to an expert - These are the best B12 supplements on the market, according to a nutritional therapist ...

Vitamin B12 plays a crucial role in numerous bodily functions, yet many people unknowingly suffer from suboptimal levels of this essential nutrient. This vital vitamin contributes to red blood cell ...

Medically reviewed by Karina Tolentino, RD Key Takeaways B vitamins support energy production, brain health, and red blood cell formation. B12 is especially important for nerve health and people on ...