How long a B12 shot lasts depends on the form of B12 used in the injection, how severe your deficiency is, and how well your body absorbs the form thats being injected
Department of Defenses prohibited list for dietary supplements4
International shipping is available too
Falutz J, Mamputu JC, Potvin D, et al.: Effects of tesamorelin (TH9507), a growth hormone-releasing factor analog, in human immunodeficiency virus-infected patients with excess abdominal fat: A pooled analysis of two multicenter, double-blind placebo-controlled phase 3 trials with safety extension data
As always, this product is sold for research purposes only and should be handled, stored, and documented according to your labs requirements