The directory
Trusted experts.
Where the citations on every peptide page come from. Ranked by depth of peptide-specific content, not general biohacking noise. No anecdote-only or supplier-affiliated picks.
YouTube
5 picksWhere to learn in long-form video.
- 01
Dr Trevor Bachmeyer
Required listening82+ videos deep on the three-failures framework. Aggressive anti-pharma, science-first.
Best for: Metabolic medicine + strategy. When fat loss stalls despite a clean protocol.
- 02
Jay Campbell
The TRT + peptides OG. Co-founder of multiple supplier brands.
Best for: Hormone optimization + practical peptide use.
- 03
Dr. Jones, DC
700+ videos, clinical pragmatist. Posts daily.
Best for: GLP-1 dose management + tactical Q&A.
- 04
Peptide Critic
Scrutinizes claims, debunks marketing, interviews biochemists.
Best for: Reality-check before buying anything.
- 05
Peptide Protocol
Short, beginner-friendly video explainers.
Best for: First 101 on any peptide.
Podcasts
5 picksBackground listening that goes deep on one peptide at a time.
- 01
The Human Upgrade
Host Dave Asprey. Key episodes: SS-31 & mitochondrial health, Klotho longevity, GH peptides deep dive.
Best for: Mitochondrial peptides + longevity framing.
- 02
Longevity Podcast (Nathalie Niddam)
Castore guest episodes (#406 Peptide Overload), bioregulators deep dives, peptide of the week.
Best for: Mitochondrial peptides + bioregulators.
- 03
Ben Greenfield Life
Jay Campbell episodes, peptide stacks, 'Best of Peptides' compilation.
Best for: Peptide stacks for performance + recovery.
- 04
Elitefts Table Talk
Anthony Castore #403 — 2h48m on using peptides wisely.
Best for: Practical peptide use for strength athletes.
- 05
Siim Land Podcast
Autophagy + mitochondria + longevity — peptide-adjacent science.
Best for: Longevity context for the mitochondrial peptide class.
Communities
5 picksWhere the day-to-day Q&A and stacking discussion happens.
- 01
Castore: Built to Adapt (Skool)
Editorial top pickDeepest peptide technical + timing/stacking reasoning. The where-to-go-deeper destination.
Best for: Stack timing + sequencing. MOTS-c → NAD+ → SS-31 protocol.
$79/mo · $219/3mo · $499/yr
- 02
Peptides & Biohacking Hub (Skool)
Beginner-friendly community with free entry tier.
Best for: Entry-level peptides + biohacking + longevity intro.
Free tier available
- 03
Orion Peptides — Biohacking & Longevity (Skool)
Free-tier community. Dosing guides, storage, vendor intel, GLP-1 research.
Best for: Dosing guides + vendor intel without paying.
Free tier available
- 04
Biohacking University
Paid courses on nootropics, peptides, PEDs, longevity.
Best for: Structured curriculum, not Q&A community.
Paid courses
- 05
Jay Campbell Peptides (website hub)
TRT + peptide OG. Mix of free articles + paid books and courses.
Best for: TRT-side perspective on peptide use.
Mixed free + paid
Red flags
What we don't cite — and what should make you skeptical.
- Guaranteed outcomes ("lose 30 lb in 30 days")
- No mention of foundations (sleep, diet, training, hormones)
- Pushing IGF-1 LR3, MK-677, or Follistatin without major caveats (Bachmeyer blacklist)
- "My dealer" recommendations (unverified sources)
- Stacking 5+ peptides without bloodwork
- Ignoring cycle rules or "year-round on everything"
- No source citations on dose claims
See an expert who belongs here — or one who shouldn't? Send a note via the About page.