Field guides

Know what the
evidence can prove.

Clear, source-led explainers and tools for the mistakes that distort peptide comparisons most: skipping the product-status check, trusting a local-looking seller without checking the record, over-reading a certificate, mixing categories, ranking vendors without a defined question, and ignoring landed cost.

01Safety and regulatory center

Start with the exact peptide product status

A primary-source map separating FDA-approved drugs, compounded preparations, investigational candidates, and research-only materials - with the right verification and help paths.

02Foundational peptide guide

What are peptides?

Start with the amino-acid-chain definition, then separate approved medicines, clinical candidates, compounding, cosmetics, supplements, and laboratory materials.

03Global therapy field manual

Peptide therapy explained

Resolve the exact product before comparing benefits, side effects, FDA approval, cost, legal access, or nearby providers across different countries.

04Evidence guide

How to read a peptide certificate of analysis

A field-by-field method for checking identity, lot, laboratory, date, result, and the limits of seller-supplied evidence.

05Category guide

Research listings vs prescription access

Why a laboratory listing, a compounded medicine, and an FDA-approved drug are three different routes - not interchangeable price rows.

06Copper peptide evidence guide

GHK-Cu serum vs injection

Separate copper tripeptide cosmetic serum, 100 mg research listings, compounded injections, a topical clinical trial, and the distinct approved copper histidinate drug.

07Topical peptide evidence guide

Peptides for skin

Decode peptide serum, copper peptide, GHK-Cu serum, peptide moisturizer, ingredient labels, cosmetic claims, and finished-formula evidence.

08US cosmetic price comparison

Copper peptide serum comparison

Compare five official US product pages by direct price, bottle size, price per 30 mL, copper-peptide language, availability, and evidence disclosure.

09Supplement evidence guide

Collagen peptides

Separate skin and joint evidence, side effects, source species, allergens, types I, II and III, hydrolyzed collagen, label claims, and incomplete-protein context.

10US supplement price comparison

Collagen peptide powder comparison

Compare four current official US powders by one-time price, labeled collagen amount, price per 10 g, source species, allergens, ingredients, and availability.

11FDA status and pipeline timeline

Retatrutide alternatives in 2026

Track Retatrutide, CagriSema, Zenagamtide, MariTide, cagrilintide, and Survodutide through Phase 3, FDA review, projected decision windows, and unannounced dates.

12Weight-loss category guide

Weight loss peptides

Answer both common phrasings while separating FDA-approved Wegovy, Zepbound, and Saxenda from Retatrutide, CagriSema, MariTide, Zenagamtide, Survodutide, and other clinical programs.

13Cost comparison guide

Peptide therapy cost

Separate medicine, clinic, monitoring, membership, insurance, fulfillment, cosmetic, and research-market prices before comparing a quote.

14Global clinical-trial tracker

Retatrutide clinical trials and locations

Track recruiting studies, listed countries and US states, active-not-recruiting records, expanded-access limits, and live ClinicalTrials.gov sources.

15Human evidence and FDA guide

BPC-157 benefits, side effects, and human trials

Separate animal healing claims from small human records, the recruiting Phase 2 hamstring trial, FDA safety findings, the July 2026 advisory process, and worldwide verification routes.

16Tanning, safety, and FDA evidence guide

Melanotan II benefits, side effects, and FDA status

Audit the tiny pigmentation and erectile-function studies, reported side effects, serious case reports, FDA status, identity collisions, current prices, and country-specific rules.

17Identity and human evidence guide

TB-500 benefits, side effects, and human studies

Separate the seven-amino-acid TB-500 fragment from full-length thymosin beta-4 trials, then check healing claims, missing human exposure data, FDA status, anti-doping status, and worldwide records.

18Human trial and evidence guide

MOTS-c benefits, side effects, and human trials

Separate mouse and human biomarker findings from the new recruiting Phase 2a treatment trial, then track the unresolved FDA source conflict, side effects, current prices, and worldwide status.

19Nootropic and human evidence guide

Semax benefits, side effects, and human studies

Separate animal neuroprotection, healthy-volunteer brain imaging, Russian-language clinical studies, FDA findings, prices, and global status without turning activity into proven cognitive benefit.

20Anxiety and human evidence guide

Selank benefits, side effects, and human studies

Audit two small anxiety studies, healthy-volunteer brain imaging, ClinicalTrials.gov false matches, FDA compounding history, prices, and worldwide status without overstating the evidence.

21DAC identity and human evidence guide

CJC-1295 benefits, side effects, DAC vs no DAC

Separate five FDA-reviewed forms, two active moieties, three healthy-adult biomarker papers, one terminated Phase 2 trial, ipamorelin blend claims, current prices, and worldwide status.

22Peptide evidence guide

Ipamorelin benefits, side effects, and evidence

Separate human pharmacology, two Phase 2 registry records, FDA safety concerns, CJC-1295 blends, and sermorelin comparisons without turning online claims into treatment advice.

23Geref history and human evidence guide

Sermorelin benefits, side effects, and FDA status

Resolve the two historical Geref approvals, 2009 withdrawals, pediatric human evidence, adult wellness claims, Ipamorelin and Tesamorelin differences, current prices, and worldwide status.

24Immune evidence, Zadaxin, and FDA guide

Thymosin Alpha-1 benefits, side effects, and FDA status

Separate thymalfasin identity, mixed human trials, negative large sepsis and pancreatitis results, US FDA status, Singapore's exact Zadaxin registration, prices, and worldwide access.

25Weight-loss trial, route, and FDA evidence guide

AOD-9604 benefits, side effects, and FDA status

Audit six controlled human studies, the failed 536-person pivotal obesity trial, oral and intravenous evidence, injectable claim gaps, FDA status, current prices, and worldwide access.

26Bremelanotide, Vyleesi, and human evidence guide

PT-141 benefits, side effects, and FDA status

Separate the PT-141 molecule from the exact Vyleesi medicine, audit the Phase 3 results and early male studies, and check side effects, research prices, and worldwide status.

27Fast-rising peptide evidence guide

KPV benefits, safety, and FDA status

Separate cell, mouse, ex vivo skin, and formulation evidence from the missing human administration record, then track the July 2026 FDA process and global verification routes.

28Anti-aging claim and FDA guide

Epitalon benefits, safety, telomeres, and FDA status

Separate cell-line telomere findings and melatonin observations from unproven longevity, sleep, dosage, and safety claims, then follow the current FDA process and official verification routes.

29Sleep claim and FDA guide

DSIP and Emideltide benefits, sleep, safety, and FDA status

Separate old intravenous sleep and withdrawal studies from modern subcutaneous claims, then check side effects, current prices, the July 2026 FDA process, and global verification routes.

302026 molecular identity guide

Is orforglipron a peptide?

Explain why FDA-approved Foundayo acts at the GLP-1 receptor but is a non-peptide small molecule, then compare it with Wegovy, Zepbound, and retatrutide.

312026 US cost guide