Regulatory Updates on Compounded Peptides New Drug Loft and VLS Pharmacy 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 # 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 # Regulatory Alert: FDA's April 2026 Update on BPC 157 and GHK Cu Holt Law FDA considers adding a dozen peptides to its bulk drug compounding list RAPS