The PUŪRA Journal · 14 articles

Peptide research education, in plain English.

What each compound is, what has been studied, and where the evidence is still developing. Every article ends with what the research actually supports.

GH Secretagogues · 1 article

GH Secretagogues · 6 min

The Big 3 GH Secretagogues: What Really Sets Sermorelin, Tesamorelin and Ipamorelin Apart

Sermorelin, tesamorelin and ipamorelin all act on growth hormone release, but through two different receptors and with very different evidence behind them. A plain-English comparison of structure, mechanism and regulatory history.

September 27, 2026

Free kit · 3 guides · 23 pages

Go deeper with three complimentary guides.

Peptides 101, The Peptide Short List and The Assurance Checklist, in one email.

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