do you need a prescription for b12 injectable for cats Vitamin Cats: Overview, Dosage & Side Effects Cyanocobalamin (Vitamin B12) Injection is sold as an FDA approved generic drug Liquid Vitamin B-12 for Dogs

Self-prescribing high-dose supplements without prior testing is not advised , as excess intake of certain nutrients (such as vitamin A) can itself contribute to hair loss, and routine biotin supplementation is not recommended in the absence of confirmed deficiency

Okamura T, Tsujitani S, Korenaga D, Haraguchi M, Baba H, Hiramoto Y, Sugimachi K

For these situations you must see your GP

Well, we only absorb about half of the tiny doses of the B12 we get in our diet

In accordance, newborns with mutations in the GH Releasing Hormone Receptor (GHRHR) gene resulting in an isolated GH deficiency (GHD) phenotype was associated with normal birth weight in one cohort (53) and slightly subnormal birth weight in another (54)