BPC 157 Banned: Key Facts on the Latest FDA Decision Injectable Peptides: Out of the Back Alley and Into the Light? Berkley Lifesciences FDA moves toward easing restrictions on certain peptides BioPharma Dive 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?