What Happened to Peptide Sciences?
Peptide Sciences ceased operations in March 2026, shutting down its website and stopping all orders. The closure followed increased FDA enforcement against peptide suppliers.
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Are Peptides Legal in the US in 2026?
Yes, peptides are legal to purchase for research purposes in the United States in 2026. They are sold as research chemicals and are not classified as controlled substances.
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Is BPC-157 Legal?
BPC-157 is legal to purchase for research purposes in the United States. It is not FDA-approved for human use and is sold as a research chemical.
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Peptide Sciences Shutdown 2026: What Happened and Where to Find Research Peptides
The End of an Era: Peptide Sciences Closes Its Doors On March 6, 2026, at approximately 2:00 PM Eastern, one of the longest-running names in the grey-market research peptide industry went dark. Peptide Sciences — a U.S.
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The RFK Jr Peptide List: What It Means for Research Access
When RFK Jr. went on Joe Rogan and named 14 peptides he wanted removed from Category 2 restrictions, the research community took notice. Here’s the full list, what Category 2 actually means, and what could change.
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RFK Jr on Joe Rogan: 14 Peptides Moving Out of Category 2
On February 27, 2026, HHS Secretary Robert F. Kennedy Jr. appeared on The Joe Rogan Experience (Episode #2461) and made what may prove to be the most consequential statement about peptide regulation in years.
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Are Peptides Legal? A 2026 Guide for Researchers
A comprehensive guide to peptide legality in 2026 — covering the FDA’s stance, research-use framework, Category 2 restrictions, the SAFE Act, RFK Jr.’s reclassification announcement, and state-level variation.
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GDF-8 (Myostatin) Inhibitor: Muscle Growth Regulation & Therapeutic Research
What Is GDF-8 (Myostatin)? Growth Differentiation Factor 8 (GDF-8), more commonly known as myostatin, is a secreted protein belonging to the transforming growth factor beta (TGF-β) superfamily.
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Tesamorelin: FDA-Approved GHRH Analog, Lipodystrophy & GH Research
What Is Tesamorelin? Tesamorelin (brand name Egrifta) is a synthetic analog of growth hormone-releasing hormone (GHRH) that has received FDA approval for the reduction of excess abdominal fat (lipodystrophy) in HIV-infected patients with lipohypertrophy.
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The SAFE Act and Peptide Research: What You Need to Know in 2026
On December 9, 2025, bipartisan legislation was introduced in both chambers of Congress that could reshape the compounding pharmacy landscape — and by extension, the broader peptide market.