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 levels are low, normal, or high.

As a rule, younger people need less vitamin D than older people, regardless of sex. This article explains average vitamin D ...

Blood tests revealed a condition called macrocytic anaemia, where red blood cells are larger than normal ... vitamin B12 levels in the blood. Vitamin B12 deficiency is known to cause a range ...

Three experts explain what to watch for and how to correct low stores of this B vitamin. By Jenny McCoy Feeling ...

Supplements and injections are effective ways to treat vitamin B12 deficiencies. These are the benefits and potential risks to know. Sean Jackson is a creative copywriter living in Florida.

Vitamin B12 is crucial for red blood cell production, DNA synthesis, and neurological function. Its absorption, a complex process involving stomach acid, intrinsic factor, and the ileum, can be ...