Under Section 503B of the Federal Food, Drug, and Cosmetic Act, outsourcing facilities can compound sterile drugs like this without individual prescriptions, and these products are exempt from FDA approval requirements (though they must be made under stringent quality standards)
Supplements and fortified foods contain B12 in its free form, so they may be more easily absorbed." A compromised digestive system with too low of stomach acid or low intrinsic factor greatly increases the risk of low B12 and other nutrients
The FDA picture: BPC-157 has been on the FDAs restricted compounding list since 2023
Quality varies significantly between products
Digital prescribing platforms designed for compounding eliminate this friction
Any transfer between containers should happen only in a controlled laboratory setting with proper sterile technique, and even then, expect some potency loss from oxidation and mechanical handling