For TB-500, the status is similar (Investigational New Drug in the US) with very limited human data
The research-grade material supplied by Koi Peptides is synthesized independently for in vitro laboratory research only not formulated, packaged, or labeled for human use, not equivalent to any approved or investigational drug product, and not authorized for any human or veterinary indication
BPC-157 + TB-500 is currently listed in 10 mg, 20 mg
Other ways to raise your B12 If injections are not right for you, there are other options: oral B12 tablets or sublingual drops, more B12-rich foods like fish, eggs, and fortified cereals, or a full weight loss program that combines nutrition, activity, and medical oversight