Learn Peptides With Interactive Research Courses.

Peptides Academy is the Duolingo for peptides: 29 self-paced online courses with quizzes, progress tracking, and a shareable certificate. Peptide Foundations is free and ends in an exam that earns the certificate, and mastery courses on single peptides such as semaglutide, BPC-157, and GHK-Cu open with module 1 free. Every claim is tied to primary sources.

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Retatrutide mastery course
Module 1 free

The next frontier in obesity medicine

A research-first walkthrough of retatrutide, triple agonism, and why GLP-1, GIP, and glucagon signaling changed expectations for metabolic medicine.

Tier 2 evidence 12-part mastery course
What this course covers
01 The triple agonist Free
02 Molecular architecture
03 The GLP-1 pathway
04 The GIP pathway
05 The glucagon pathway
06 Clinical evidence
...
1 / 12 modules
Every mastery course starts with module 1 free. Open any course to preview it before you use a credit.
Peptide Foundations
Learn the science behind peptides: amino acid chemistry, cell signaling, administration, evidence evaluation, and history. Free with certificate.
Intro Level
Clinical Focus
Peptide Legality
Free · 6 units
Why "is it legal?" has no simple answer: the FDA framework, drug vs supplement, anti-doping rules, and importing. Free, education only, not legal advice.
Beginner Tier 3
GHK-Cu
A naturally occurring copper peptide used in skincare. Impressive gene modulation data.
95+ Citations
3 Residues
Beginner Tier 1
Semaglutide
GLP-1 receptor agonist with ~15% mean body-weight reduction reported in phase 3 trials.
280+ Citations
31 Residues
Beginner Tier 1
Tirzepatide
Dual GIP/GLP-1 agonist with up to 22.5% weight reduction reported in SURMOUNT-1.
190+ Citations
39 Residues
Intermediate Tier 2
Retatrutide
First-in-class triple agonist with ~24% body weight loss in Phase 2 trials. Phase 3 TRIUMPH program ongoing.
55+ Citations
39 Residues
Beginner Tier 1
Liraglutide
First GLP-1 agonist approved for chronic weight management, with ~8% loss in trial averages.
420+ Citations
31 Residues
Intermediate Tier 3
BPC-157
Extensively studied in animals for tissue repair. Zero completed human clinical trials.
140+ Citations
15 Residues
Melanotan II
Synthetic tanning peptide with significant safety concerns. Not approved anywhere.
Afamelanotide
A regulated alpha-MSH analog approved for increasing pain-free light exposure in adults with erythropoietic protoporphyria.
PT-141
FDA-approved for hypoactive sexual desire disorder. Works through the brain, not blood flow.
CJC-1295
A GHRH analog that increases growth hormone levels. Often combined with ipamorelin.
Ipamorelin
The cleanest GH secretagogue due to selective GH release. Often paired with CJC-1295.
Sermorelin
Was FDA-approved for GH deficiency. Manufacturer voluntarily discontinued. Still compounded.
Tesamorelin
FDA-approved for HIV lipodystrophy. Reduces visceral adipose tissue via GH production.
Selank
An anxiolytic peptide approved in Russia. Modulates multiple neurotransmitter systems.
Semax
Neuroprotective peptide approved in Russia for post-stroke and cognitive outcomes.
Dihexa
Claimed to be 10 million times more potent than BDNF in animal studies. Zero human data.
LL-37
The only human cathelicidin. Studied for its potential role in innate immunity, with antimicrobial and wound-healing activity researched mostly in preclinical models.
Epithalon
Claims of telomerase activation and anti-aging based on limited studies by Khavinson.
DSIP
Delta sleep-inducing peptide, first isolated in 1977. Studied for sleep and stress, but human evidence stays thin.
KPV
Anti-inflammatory tripeptide from alpha-MSH. Gaining popularity for gut and skin inflammation.
MOTS-c
A mitochondrial peptide that mimics exercise at the cellular level. Preclinical only.
TB-500
Synthetic version of thymosin beta-4. Studied for wound healing and tissue repair.
Survodutide
Dual glucagon/GLP-1 receptor agonist in Phase 3 trials for obesity and metabolic disease.
FOXO4-DRI
Experimental senolytic peptide targeting FOXO4-p53 interaction in senescent cells. Preclinical only.

Peptide course questions

Start with Peptide Foundations, the free track on this page. Five short, self-paced modules explain what peptides are, how your body makes and uses them, how they are given, how to judge the evidence, and where they came from, with quizzes as you go and a final exam that earns a shareable certificate. You can start without an account; a free account saves your progress and issues the certificate. When you want depth on one peptide, every mastery course opens with module 1 free.

No. Certificates are not accredited and do not confer CE/CME credit, licensure, certification to practice medicine, or professional qualification. A certificate records that you completed the course and passed its exam, with your name, date, and a unique ID that can be verified online. Holders of these educational certificates should not represent themselves as medical professionals or peptide experts qualified to give clinical advice.

Yes. Peptide Foundations is a free online course track. Complete the foundations modules and pass the final exam to earn a shareable Peptides Academy certificate.

Yes. Courses are online, self-paced, and built as short modules with progress tracking, quizzes, references, and interactive visuals.

Yes. Course claims are tied to primary sources, clinical trial data, PubMed references, and an evidence-tier framework so you can separate human data from animal or cell-line research.

Yes. Every mastery course starts with module 1 free, so you can preview the teaching style and evidence level before using a course credit.

The catalog covers peptide foundations, GLP-1 and weight-loss peptides, repair peptides, growth-hormone secretagogues, skin and copper peptides, cognitive peptides, safety, regulation, dosing context, and clinical evidence.

No. Peptides Academy is educational and does not provide medical advice, prescribe peptides, or sell compounds. Courses are designed for research literacy and should not replace a qualified clinician.

Yes. The Peptide Foundations track is free and earns a shareable certificate online, with no membership fee or paywall to complete it. You can also preview any advanced mastery course free, since each one opens with module 1 unlocked. Full mastery courses are optional paid upgrades, but the certified foundations path costs nothing.

Create a free account, work through the Peptide Foundations modules at your own pace, pass the foundations exam, and Peptides Academy issues a shareable certificate you can add to LinkedIn or a resume. Progress and quiz scores are tracked automatically as you go.

There are 29 courses online, spanning the free Peptide Foundations track plus mastery courses on specific peptides such as semaglutide, retatrutide, BPC-157, GHK-Cu, and more. The catalog grows as new evidence-based courses are published.

Peptide Foundations and its certificate are free, and every mastery course opens with module 1 free. Unlocking a full mastery course costs one course credit: $29 for a single course with lifetime access, or packs of 10 credits for $99 and 20 for $179. The Academy plan is a subscription at $29 a month or $199 a year, and the pricing page lists what it includes.

Not sure where to start?

Begin with our free modules to learn the fundamentals of peptide science, then dive into specific peptides that interest you.

Start with the basics