Infographic · GLP-1 / GIP / Glucagon
Retatrutide
A triple-agonist investigational peptide being studied for obesity and metabolic health. Covers mechanism, Phase 2 results, side effects, and current status.
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The science of peptides,
told without the noise.
Clear, foundational education on the most talked-about peptides and GLP-1 medications in health, fitness and longevity. No bro science. No hype. Just the research.
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⎯ About the host
John Garrett, RN
John Garrett is a Registered Nurse and biotech industry professional with a background spanning emergency medicine, intensive care, vascular access, cardiac cath lab medicine, and clinical biomarker science.
Over the past decade, he has worked in medical education, clinical sales leadership, and scientific communication within the biotech industry, helping healthcare providers interpret complex clinical data and biomarker research.
Through Peptides Explained, John combines frontline clinical experience with evidence-based scientific analysis to make peptide science more understandable for everyday listeners.
The goal of the showExplain how peptides work biologically, what the research actually shows, and where science ends and hype begins.
⎯ Official Partner
Offline.Peptides
Peptides Explained is proud to partner with Offline Peptides — a trusted source for research-grade peptides. Use John's affiliate link to support the show and get access directly.
Visit Offline Peptidesofflinepeptides.com/ref/JohnGarrett
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⎯ Free Resources
Downloadable infographics.
Visual, evidence-based summaries of the peptides covered on the show. Free to download, share, and print.
Infographic · BPC-157 + TB-500
The Wolverine Stack
An overview of the experimental peptide combination commonly discussed for recovery and tissue repair. Covers proposed mechanisms, what the research shows, and key risks.
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Infographic · Copper Peptide
GHK-Cu
A naturally occurring copper-binding tripeptide studied for skin health, tissue repair, and regenerative signaling. Covers mechanism, evidence, and current status.
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Or email directly at peptidesexplainedpodcast@gmail.com