That gap is exactly why the compound is sold for research only
they are ubiquitous in human biology
Since it can be formed from these three amino acids in the body, it is deemed non-essential, in that it does not have to be obtained from food
The background: In September 2023, the FDA placed nineteen peptides, including BPC-157 and TB-500, into Category 2 of its 503A bulk drug substances policy, citing safety concerns
When evaluating Canadian peptide suppliers, look for companies that provide current third-party COAs from Canadian or internationally recognized laboratories, maintain proper cold storage facilities, ship with appropriate temperature control, and have established reputations within the Canadian biohacking community