FDA Removes 12 Peptides from 503A Category 2 Newtropin Everything You Need to Know About the FDA Peptide Ban Big news for peptides! In July, the FDA will meet to evaluate the most commonly used peptides for FDA authorized compounding. FDA considers adding a dozen peptides to its bulk drug compounding list RAPS Major peptide regulatory news this week. The FDA announced on April 15 that it will remove 12 peptides from Category 2 of the 503A bulk drug substances list after seven calendar days. Is BPC 157 Banned? Oral vs. Injectable Forms Explained