A 2025 preliminary safety study administered intravenous BPC-157 to 2 participants at escalating doses with no adverse effects reported, but the extremely limited sample size prevents meaningful conclusions
3 However, BPC-157 is not approved by the FDA and has potential for enhanced immunogenicity, along with minimal establishment of purity, efficacy, or safety
Even some meat-eaters dont absorb it very well (4Trusted Source, 5Trusted Source)
Many sensitive peptides (pure lyophilised BPC-157, DSIP with its N-terminal tryptophan, TB-500 with oxidisable methionine) measurably lose activity beyond 14 to 21 days in solution, even at 2-8C
[37] This could potentially reduce your requirement (or need) for thyroid meds
of 1ml, and/or is that for the big bottle