FDA Removes 12 Peptides from 503A Category 2 Newtropin Last week @fda sends out clarification on who can and cannot compound #glp1 like #tirzeaptide and #semaglutide and this week ProRx 503b shuts down GLP 1 compounding while @martymakary is photographed holding bootleg # In 2026, the question "Are peptides legal?" has been answered with a decisive regulatory crackdown. , The FDA has moved beyond general oversight into targeted enforcement. Popular wellness Regulatory Alert: FDA's April 2026 Update on BPC 157 and GHK Cu Holt Law FDA IS REPORTEDLY EXPECTED TO LIFT RESTRICTION ON PEPTIDES NYT