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The Peptide Research Database

56 compounds. Evidence-graded. Every claim traced to its source — from peer-reviewed studies and clinical trials to FDA filings and expert analysis.

Compound Database

Every compound graded on evidence quality — from FDA-approved therapeutics to early-stage research

Head-to-Head Compare

Place any two compounds side by side — evidence grade, regulatory status, study count

Interaction Checker

Review published interaction data before combining compounds

Stack Finder

Select your research interests and see which compounds the literature supports

Verified Sources

Third-party tested vendors with published certificates of analysis for research compounds

56
Compounds Indexed
—
Cited Studies
6
Source Categories
17
Research Areas

Commonly Researched Stacks

pepmaxx is a research aggregation tool — not a medical resource. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. Regulatory status varies by jurisdiction. Always consult a licensed healthcare provider before making any decisions about compounds discussed here. Content is sourced from PubMed, ClinicalTrials.gov, FDA databases, and published expert commentary.
Last updated: March 2026

Compound Database

All
FDA Approved
Approved (Non-US)
Phase 2-3 Trials
Established Research
Emerging Research
Peptide-Adjacent
Experimental/Limited
pepmaxx is a research aggregation tool — not a medical resource. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. Always consult a licensed healthcare provider.

Head-to-Head Comparison

⟺

Select two compounds above to compare their evidence profiles

pepmaxx is a research aggregation tool — not a medical resource. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. Always consult a licensed healthcare provider.

Interaction Checker

Review published interaction data between compounds. Select a pair to see what the research literature reports about their combination.

Frequently checked pairs:

Choose two compounds above to view interaction data

Multi-Compound Review

Researching a combination? Select multiple compounds to review all known interactions at once.

pepmaxx is a research aggregation tool — not a medical resource. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. Always consult a licensed healthcare provider.

Stack Finder

Explore which compound combinations are supported by published research for specific areas of interest

Popular Research Presets

Select Research Areas

Clear All

Select one or more research areas above to see matching compounds

pepmaxx is a research aggregation tool — not a medical resource. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. Always consult a licensed healthcare provider.

Verified Peptide Sources

Third-party tested vendors with published certificates of analysis. Every source listed here ships research-grade compounds.

Affiliate Disclosure: pepmaxx may earn a commission from purchases made through links on this page. This does not affect our research ratings, evidence grades, or compound reviews. All vendors are independently evaluated.
All Vendors
Peptides
SARMs & Research
Nootropics
Supplements

Why These Vendors?

We only list sources that publish third-party Certificates of Analysis (COA), offer transparent pricing, and have consistent track records in the research community. We regularly review and update this list.

✓
COA Published
⚗
Third-Party Tested
★
Community Vetted
pepmaxx is a research aggregation tool — not a medical resource. Products listed here are sold for research purposes only. Nothing on this site constitutes medical advice or treatment recommendations. Always consult a licensed healthcare provider.