symptoms of too much vitamin b12 injections B12: Symptoms, Dosage & Toxicity Risks Vitamin B12 Supplements and Injections
Description
Medically reviewed by: Micheal Seay, MSN, APRN, FNP-BC

Therefore, some scientific societies have recommended measuring cellular vitamin B12 biomarkers, such as homocysteine and methylmalonic acid (MMA), to uncover intracellular vitamin B12 deficiency [14-16]

Cell Journal 19 (1): 110
CRC Press, New York, Am