Is BPC 157 Banned? Oral vs. Injectable Forms Explained Peptides! Update as of 4.15.26 from the FDA. We will know more in July. This will allow these previously labeled category 2 research peptides to category 1 and allowable for compounding by BPC 157 500 mcg Oral Capsules Which non FDA (United States Food and Drug Administration) approved peptides, such as BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 500), are likely legitimate for medical use under strict supervision?