Protocol One is a living reference. Here is what has changed recently. We update peptide protocols, vendor recommendations, and evidence summaries as new research lands and reader corrections arrive.
May 31, 2026
commit d98a30c
- GHK-Cu: vendor Apollo Peptide Sciences added (status: live)
- GHK-Cu: vendor NIOD (Copper Amino Isolate Serum) removed
- GHK-Cu: vendor Skin Biology (Dr. Pickart) removed
May 30, 2026
commit 02a1412
- Semaglutide: vendor Sesame Care added (status: live)
- Semaglutide: vendor Strut Health removed
- Tirzepatide: vendor Sesame Care added (status: live)
- Tirzepatide: vendor Strut Health removed
May 26, 2026
commit d5f2f4c
- Semaglutide: vendor Gala GLP-1 (via Katalys) added (status: live)
- Semaglutide: vendor Strut Health (via Katalys) added (status: live)
- Tirzepatide: vendor Gala GLP-1 (via Katalys) added (status: live)
- Tirzepatide: vendor Strut Health (via Katalys) added (status: live)
May 15, 2026
commit 3696dc5
- BPC-157: vendor Limitless Biotech status pending to live
- CJC-1295: vendor Limitless Biotech status pending to live
- DSIP: vendor Limitless Biotech status pending to live
- Epitalon: vendor Limitless Biotech status pending to live
- Ipamorelin: vendor Limitless Biotech status pending to live
- MOTS-c: vendor Limitless Biotech status pending to live
- PT-141: vendor Limitless Biotech status pending to live
- Selank: vendor Limitless Biotech status pending to live
- Semax: vendor Limitless Biotech status pending to live
- TB-500: vendor Limitless Biotech status pending to live
- Thymosin Alpha-1: vendor Limitless Biotech status pending to live
commit ba4e3b6
- BPC-157: vendor Apollo Peptide Sciences status pending to live
- CJC-1295: vendor Apollo Peptide Sciences status pending to live
- Epitalon: vendor Apollo Peptide Sciences status pending to live
- Ipamorelin: vendor Apollo Peptide Sciences status pending to live
- MOTS-c: vendor Apollo Peptide Sciences status pending to live
- Retatrutide: vendor Compounded GLP-1 telehealth (via Katalys) status pending to pending_link
- Semaglutide: vendor SkinnyRx (via Katalys) status pending to pending_link
- TB-500: vendor Apollo Peptide Sciences status pending to live
- Thymosin Alpha-1: vendor Apollo Peptide Sciences status pending to live
- Tirzepatide: vendor Eden (via Katalys) status pending to pending_link
- Tirzepatide: vendor Mochi or Henry Meds (via Katalys) status pending to pending_link
May 12, 2026
commit 21f29b2
- Retatrutide: tier S-Tier (pending) to S-Tier (Phase 3)
- Retatrutide: evidence tier for weight loss rct-emerging to rct-pivotal-positive
May 10, 2026
commit 5b9b7ca
- Added new peptide BPC-157
- Added new peptide Cerebrolysin
- Added new peptide CJC-1295
- Added new peptide DSIP
- Added new peptide Epitalon
- Added new peptide GHK-Cu
- Added new peptide Ipamorelin
- Added new peptide MOTS-c
- Added new peptide Pinealon
- Added new peptide PT-141
- Added new peptide Retatrutide
- Added new peptide Selank
- Added new peptide Semaglutide
- Added new peptide Semax
- Added new peptide TB-500
- Added new peptide Thymosin Alpha-1
- Added new peptide Tirzepatide
Last built · 2026-06-04 14:01 UTC