HeyJaredPeptides Explained
Peptides Explained breaks down the most talked-about peptides and GLP-1 medications in health, fitness, and longevity — including semaglutide, tirzepatide, BPC-157, TB-500, and more.Hosted by Registered Nurse John Garrett, this podcast explains how these compounds work, why…
- Indexed episodes, last 90 days
- 28
- Latest publication
- Sep 30, 2026
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- Jul 3, 2026
Latest episodes
Follistatin Explained: Can You Really Remove the Muscle-Growth Brake? (opens the original)
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Follistatin can bind myostatin—one of the body's major restraints on skeletal-muscle growth. Animal studies are dramatic, and small human gene-therapy studies have produced encouraging signals in serious muscle disease. But is a vial labeled "Follistatin-344" equivalent to the therapy used in those trials? John Garrett explains FST288, FST315, and FST344; the myostatin/activin pathway; the difference between gene therapy and recombinant protein; the evidence for muscle size versus function; and
Glutathione: The "Master Antioxidant" — or Master Marketing? (opens the original)
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Glutathione gets called the "master antioxidant," and the underlying biology really is important. But does that mean oral supplements, liposomal products or glutathione IVs deliver the sweeping detox, energy, immune and anti-aging benefits often attached to them? John breaks down glutathione biology, the GSH/GSSG cycle, oral human data, NAC, skin-related research and the gap between changing a biomarker and changing a meaningful health outcome. The episode also covers the 2026 FDA warning and re
GLP-1 Split Dosing: This Is NOT Microdosing (opens the original)
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For more information on Research Peptides go to PeptidesExplained.info/OfflinePeptides Is taking smaller GLP-1 doses multiple times per week actually "microdosing"? Not necessarily. This episode separates split dosing from true dose reduction and explains the pharmacokinetic logic using semaglutide, tirzepatide, and retatrutide. John breaks down half-life, peaks, troughs, total exposure, and why changing the schedule does not automatically mean using less drug. We also examine the major evidence
Icotyde: The Oral Peptide That Could Change Medicine (opens the original)
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Download The Peptide App at ThePeptide.App/Explained For more information on research peptides check out PeptidesExplained.info/OfflinePeptides A peptide…in a pill? Icotyde, or icotrokinra, is an FDA-approved oral peptide designed to block the IL-23 receptor in moderate-to-severe plaque psoriasis. In Phase 3 trials, it produced substantial skin clearance and outperformed an established oral comparator on several key endpoints. But the biggest story may be the delivery platform itself. Peptides u
Why Your Favorite Peptides May Never Get a Big Human Trial (opens the original)
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If BPC-157, TB-500, KPV, MOTS-C and similar peptides are so interesting, why don't we have giant randomized human trials? This episode looks at the less dramatic—and more important—answer: clinical trials require a sponsor, regulatory strategy, manufacturing package, defined indication, safety program, and a very large amount of money. For old, easily copied, poorly protected, or commercially fragmented compounds, the incentive to fund definitive trials may be weak. John also explains why that d
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