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The latest on peptide regulations, FDA decisions, clinical research, and industry developments. Stay informed with evidence-based reporting from the PeptideKnow editorial team.

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FDA building exterior with laboratory peptide vials representing the 2026 peptide reclassification decision
Regulation & Policy

FDA Peptide Reclassification 2026: Which 12 Peptides Are Being Restored Under RFK Jr.

In April 2026, the FDA announced it would remove 12 peptides from its Category 2 list, reversing a sweeping 2023 ban that cut off patient access to compounds like BPC-157, TB-500, and Semax. Here's the full breakdown of what changed, which peptides are affected, and the timeline ahead.

12 min read

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FDA building exterior with laboratory peptide vials representing the 2026 peptide reclassification decision
Regulation & Policy

FDA Peptide Reclassification 2026: Which 12 Peptides Are Being Restored Under RFK Jr.

In April 2026, the FDA announced it would remove 12 peptides from its Category 2 list, reversing a sweeping 2023 ban that cut off patient access to compounds li...

12 min read

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