b12 injection methylcobalamin Injections at Olympia b12 injection 1500 mcg Methylcobalamin

There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes

PMID: 31318637 Goldstein AL, et al

With 476,857 individuals across 18 different countries (propensity score matched 1:1 with pregnant controls), this is the largest study to date in this historically underserved population

B12 deficiency can occur for several reasons, including- Dietary Restrictions- People following strict vegetarian or vegan diets may not consume enough B12-rich foods, leading to deficiency