What Is Normal For B12 Levels? Key Information
Vitamin B12 is essential for your nerves, red blood cells, and DNA. Normal B12 levels are generally between 200 and 900 picograms per milliliter (pg/mL) in the blood. Levels below 200 pg/mL are considered deficient, but some people feel symptoms well before that point. What Is Normal For B12 Levels According to Medical Guidelines? Medical … Read more