steroid b12 injections B-12 Vitamin B12 Injection at a
Description
Cobalamin deficiency may occur in infants whose mothers are cobalamin-deficient or in those with rare inherited conditions such as Imerslund-Grasbeck syndrome (see Etiology section)

It does not affect testosterone levels or cause the hormonal side effects associated with anabolic steroids

Animal products like meat, fish, eggs, and dairy are excellent sources

Vajro, P., Paolella, G
