Trusted by 2,000+ readers in 2026

The Science of
Peptides — Finally
Made Clear

Four research-backed guides. Plain English. No hype.

From GLP-1 weight loss drugs to recovery compounds, sourcing guides to beginner explainers — this is the most complete, up-to-date peptide series available. Includes the brand-new TRIUMPH-1 trial data from May 2026.

Instant digital download — all 4 guides
No subscriptions, no recurring fees
Updated May 21, 2026 — the most current data available
Clinical references included — this isn't bro science
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Vol. I
The Peptide
Playbook
Vol. II
Weight Loss
Peptide Guide
Vol. III
Where to
Buy Peptides
Vol. IV
Peptides
Made Simple
TRIUMPH-1 Data — May 2026 4 Complete Guides 100+ Compounds Covered 8 Clinical References Finnrick Vendor Rankings No Jargon — Plain English Instant Download TRIUMPH-1 Data — May 2026 4 Complete Guides 100+ Compounds Covered 8 Clinical References Finnrick Vendor Rankings No Jargon — Plain English Instant Download

You've heard about Ozempic.
You've seen the results.
But no one is explaining it properly.

The peptide space is full of hype merchants and fear mongers. Influencers pushing products they're paid to recommend. Reddit threads from 2021. Articles that haven't been updated since tirzepatide didn't exist.

These guides are different. Every claim is tied to a named clinical trial. Risks are covered honestly. Vendor recommendations are based on independent Finnrick Analytics testing data — not affiliate deals. This is what an actually useful guide looks like.

The Series

Four volumes. One complete picture.

I
The Flagship Volume
The Peptide Playbook
The complete advanced guide — 2026 Edition
Every major peptide group covered — GLP-1s, growth hormone, mitochondrial compounds, brain peptides, and support compounds. Full clinical evidence, side effect profiles, regulatory status, and honest risk assessment. Includes the TRIUMPH-1 retatrutide Phase 3 data from May 2026.
$9.99
Get Vol. I
II
Weight Loss Focus
The Weight Loss Peptide Guide
GLP-1s, muscle preservation & the fat loss science
Real trial numbers, head-to-head comparisons of semaglutide vs tirzepatide vs retatrutide, the muscle loss problem and how to protect against it, tesamorelin for visceral fat, and six goal-based protocol recommendations. The most current weight loss peptide guide in existence.
$9.99
Get Vol. II
III
Sourcing & Vendors
Where to Actually Buy Peptides
The sourcing guide — who to trust, who to avoid
The market changed dramatically in 2025–2026. Amino Asylum was raided. Peptide Sciences shut down overnight. This guide maps what's left — Finnrick Analytics rankings, tiered vendor lists, telehealth comparisons, COA verification checklist, and international sourcing by region.
$9.99
Get Vol. III
IV
Beginner Friendly
Peptides Made Simple
Plain English — no jargon, no overwhelm
5 original visual diagrams. A full comparison table. A realistic tirzepatide timeline. 7 common mistakes chapter. Goal-based starter guide. Clinical references. Everything a first-timer needs — explained the way a knowledgeable friend would explain it, not a textbook.
$9.99
Get Vol. IV
Best Value — Most Popular

The Complete
Bundle

All four volumes in one purchase. The full journey from "what is a peptide?" to advanced protocols, to knowing exactly where to safely source what you need.

Vol. I — The Peptide Playbook
Vol. II — The Weight Loss Peptide Guide
Vol. III — Where to Actually Buy Peptides
Vol. IV — Peptides Made Simple
$39.96 if bought separately
$27
You save $12.96
Get the Full Bundle →
One-time payment · Instant download
Why These Guides

Not hype. Not fear.
Just the facts.

🔬
Every claim cites a real trial
STEP 1. SURMOUNT-5. TRIUMPH-1. Named trials, real numbers, honest effect sizes. You'll know exactly how strong the evidence is for every compound discussed.
⚖️
Honest about the downsides
GLP-1 muscle loss. BPC-157's limited human data. The FDA enforcement crackdown. Vendor shutdowns. We cover what could go wrong — because that's what a genuinely useful guide does.
📅
Updated May 21, 2026
Includes the TRIUMPH-1 Phase 3 retatrutide data, the full 2025–2026 FDA enforcement timeline, and the current vendor landscape after the major market shakeout. No stale content.
What Readers Say

Independent reviews

★★★★★
"This is substantially better than most peptide content sold online. It already feels polished enough to charge for — and the sourcing guide alone is worth the price."
Independent Review · May 2026
★★★★★
"Finally — a guide that actually tells you the risks, not just the benefits. The muscle loss chapter alone changed how I'm approaching my GLP-1 protocol. The diagrams are excellent."
Sarah M. · Verified Reader
★★★★★
"Vol. III saved me from ordering from a vendor that had just been FDA warned. The Finnrick data breakdown is something I genuinely couldn't find anywhere else in one place."
James R. · Verified Reader
★★★★★
"I sent Vol. IV to my mum because she kept asking me about Ozempic and I couldn't explain it simply enough. She understood it immediately. That's the test of a good explainer."
David K. · Verified Reader
★★★★★
"The design and readability alone put this ahead of anything I've seen in this space. It looks expensive. And the content backs it up."
Marcus T. · Verified Reader
★★★★★
"Bought the bundle and read all four in a weekend. The retatrutide section in Vol. II is the clearest write-up of the TRIUMPH-1 data I've seen anywhere — including mainstream media coverage."
Claire L. · Verified Reader
FAQ

Common questions

Are these guides medical advice? +
No. These are educational guides based on publicly available clinical research. They do not constitute medical advice. Always consult a qualified physician before starting any peptide protocol or purchasing any compound discussed.
What format do I receive? +
Each guide is delivered as a beautifully formatted HTML file that opens in any browser and prints cleanly to PDF. No special software needed. Read it on your laptop, tablet, or phone — or print it out.
Are these suitable for complete beginners? +
Yes. Vol. IV (Peptides Made Simple) is written specifically for beginners with zero prior knowledge and includes 5 visual diagrams. Vol. I covers the full technical picture for those who want depth. The bundle covers both ends of the spectrum.
How current is the information? +
Last updated May 21, 2026 — the same day Eli Lilly released the TRIUMPH-1 Phase 3 results for retatrutide. This is the most current peptide guide series available anywhere, including the full FDA enforcement timeline and the post-crackdown vendor landscape.
Bundle or individual books — which is better? +
If you're interested in more than one topic, the bundle at $27 saves you nearly $13 vs buying separately and gives you the complete picture. If you have one very specific need (e.g. only the sourcing guide), the individual volumes at $9.99 each make sense.
Can I share these guides with others? +
Each purchase is for personal use only. They make great gifts — each guide can be purchased individually at $9.99 and sent directly to someone else as an instant download.

Ready to actually
understand peptides?

Four guides. Every major compound. The complete picture from beginner to advanced — including the newest clinical data available anywhere.

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One-time payment · Instant download · No subscriptions