Olasupo Odunsi, MD, Medical Director Reviewed July 5, 2026 If you're constantly tired and your metabolism feels stuck, low B12 could be part of the problem
not for human or veterinary use Key Characteristics of AOD 9604 (3mg) Defined growth hormone fragment: A 16amino-acid segment from the C-terminal region of human growth hormone, used to study metabolism-focused activity in research models
B-12 plays an especially important role in helping the body produce cellular energy
In clinical practice, B12 injections are administered intramuscularly, usually into the deltoid or gluteal muscle
Regarding the form of vitamin B12 used, cyanocobalamin was the most common (n = 14), followed by methylcobalamin (n = 6), hydroxocobalamin (n = 4), and combinations including adenosylcobalamin in isolated cases
if it specifies oral/sublingual, the same per-dose amount is the reference point, delivered by that route instead of a syringe