acetyl glutathione wiki CAS No : 3054-47-5 | Product Name : S-Acetyl-L-Glutathione it has a short half Acetylcysteine - Wikipedia
Description
The World Anti-Doping Agency bans most peptides in competitive athletes, and clinical oversight is advised when using hormone-targeting peptides
Esernio-Jenssen D, Scimeca PG, Benach JI, Tenenbaum MJ

Dogs: 0.025 - 0.25 ml/kg

Abbreviations: GT, glutamyl transpeptidase
That said, consulting with a healthcare provider is the best way to determine the frequency of B12 injections that's right for you