Across 2025-2026 the FDA's Office of Compliance issued a string of warning letters to internet peptide retailers - including USApeptide.com (February 2025), Gram Peptides (March 2026), and Wholesale Peptide (June 2026) - alleging they are selling unapproved new drugs in violation of Section 505(a) of the FD&C Act. The letters single out products marketed for healing, recovery, and research that the agency says carry disease-treatment claims triggering drug status. Named substances include BPC-157, TB-500 (thymosin beta-4), CJC-1295, ipamorelin, and GHK-Cu. The enforcement runs in tension with the July 2026 PCAC vote recommending several of these same peptides for the 503A compounding list, but legally the two tracks are separate.
The most-used peptide combinations, what the research actually says, and where to buy — one page, one email.
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