Peptilex

Free guides

Short, visual PDF guides with the most exciting parts of the Peptilex encyclopedia. Free, no e-mail needed. Commented a keyword on Instagram? Your guide is here.

PEPTIDE

The 10 Most Talked-About Peptides 2026

From retatrutide to GHK-Cu: the headline result, the evidence grade and the one open question for each of the ten peptides everyone is talking about.

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RETA

Retatrutide in 5 Minutes

The triple-hormone mechanism, the TRIUMPH results and what comes next.

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GLOW

GHK-Cu & the Skin Peptides

Copper peptide, Matrixyl, Argireline and collagen: what the skin studies found.

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HEAL

BPC-157 & TB-500: The Healing Peptides

The animal studies, the first human data and the trials now under way.

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Peptilex – The Peptide Encyclopedia, book cover

34 peptides. One book.

A science-based guide for beginners to 34 peptides: what each one does, the most exciting research results, and where it stands in 2026. Every profile: what it is, the most exciting results, key studies, risks and open questions.

Kindle Paperback Hardcover