Vitamin B12 is crucial for red blood cell formation, DNA synthesis, and neurological health. Its deficiency can lead to ...
A vitamin B12 blood test is one way to know if you’re B12 deficient. Some people opt for a urine test instead. Learn when ...
Supplementing with vitamin B12 can improve energy levels in people who are deficient in the vitamin. However, it may not ...
A 2022 national survey found that 13.5% of U.S. adults said they felt “very tired” or “exhausted” most days or every day over ...