bpc 157 bioavailability oral vs subcutaneous BPC-157 Injection Peptide: Injectable, Oral, and Nasal Delivery Methods Compared — Which Is Right for Your Goal? Most peptides aren’t orally bioavailable
Description
The absorption of injected hydroxocobalamin is around three times as high as that of cobalamin and the effects last considerably longer too (1-4)
It was cleared with an otc product

Your body can absorb only so much

Learn more Explanation, Benefits, and Dosing for IGF-LR3: IGF-1 LR3 is a polypeptide long-chain amino acid peptide hormone