Takeaways Vitamin B12 is important for making DNA and red blood cells, as well as for the growth of the central nervous system
See a doctor if you have high B12 and High B12 on a blood test doesnt always require action, but certain combinations warrant prompt evaluation: B12 above 1,000 pg/mL without supplementation or injections Unexplained fatigue, weight loss, abdominal pain, or night sweats alongside elevated B12 Abnormal liver function tests (ALT, AST, bilirubin) or kidney markers (creatinine, GFR) on the same panel Abnormal complete blood count (CBC), especially elevated white blood cells, red blood cells, or platelets B12 levels that are rising over serial measurements without a clear dietary or supplement explanation What to do about high B12 levels There is no specific treatment for high vitamin B12 because the B12 level itself is almost never the problem
First, the complex appears to act as a copper transporter, delivering ionic copper to cutaneous cells where it may activate copper-dependent enzymes involved in extracellular-matrix remodeling and angiogenesis
Motor development related to duration of exclusive breastfeeding, B vitamin status and B12 supplementation in infants with a birth weight between 2000-3000 g, results from a randomized intervention trial
Vegetarian Lifestyles Vegetarians are at risk of developing a B-12 deficiency, due to the vitamin mostly being found in meat, eggs, poultry, dairy products, and other animal products