Peptide Library

Weekly Research Pulse

Every Monday, a summary of what the Peptide Library community researched the week before, counted as unique researchers across calculations, watchlists, tracking, inventory, searches and library visits.

Oct 26 – Nov 1, 2026 (Monday to Sunday, UTC)

This week's highlights

  • Retatrutide led community research, explored by 52% of researchers.
  • Epitalon rose fastest, up 73% on the week before.
  • Epitalon climbed 9 places to #17.
  • Semaglutide is new to the trending list.

Trending this week

Explored by the most researchers across every activity.

1RetatrutideUp 3 periods in a row52%No change vs previous 7 days2GHK-CuSteady at #216%No change vs previous 7 days3TirzepatideUp 1 place vs prior 7 days12%Up 1 position vs previous 7 days4MOTS-CDown 1 place vs prior 7 days12%Down 1 position vs previous 7 days55-Amino-1MQUp 1 place vs prior 7 days11%Up 1 position vs previous 7 days

New in the library

The full Pulse, every Monday

Rising fastest, most calculated, most watched, the biggest climbers and the peptides on your own watchlist, with a notification when it's ready, are in the Peptide Library app for Pro members.

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Community research activity in Peptide Library. Popularity is not evidence of safety or effectiveness, and nothing here is medical advice.