Know Your Peptide

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A complete directory of every page on Know Your Peptide: 167+ peer-reviewed research peptide profiles organized by therapeutic area, 83+ research articles, interactive tools, and reference pages.

167 peptide profiles86 research articles10 categories350+ total pages

Core Pages

9 pages

Research Tools

7 tools
  • Peptide Dose Calculator

    Reconstitution guide and injection volume calculator for research peptides.

  • Peptide Comparison Tool

    Side-by-side comparison of benefits, side effects, dosage, half-life, and more for any two peptides.

  • Peptide Finder Quiz

    Answer a few questions to find research peptides matched to your area of study.

  • Peptide Stack Builder

    Design multi-peptide research protocols with guided stack builder and export your plan.

  • Public Research Stacks

    Browse publicly shared peptide research stacks from the community with direct links to each protocol.

  • Peptide Interaction Checker

    Check if two peptides are synergistic, neutral, or should be avoided when combined.

  • Peptide Side Effects Database

    Searchable database of documented side effects organized by severity, frequency, mechanism, and management tips across 35+ research peptides.

Research Guides

31 guides

Research Peptide Profiles

167 profiles

Therapeutic Area Categories

10 categories
  • Cognitive Enhancement

    Peptides that support brain function, memory, and neuroprotection

  • Growth Hormone Secretagogues

    Peptides that stimulate growth hormone release from the pituitary gland

  • Healing & Recovery

    Peptides that accelerate tissue repair, wound healing, and recovery

  • Hormonal Health

    Peptides that regulate hormonal signalling, reproductive function, and endocrine balance

  • Immune System

    Peptides that modulate immune function and inflammation

  • Metabolic & Weight

    Peptides that influence metabolism, fat burning, and body composition

  • Muscle & Performance

    Peptides that enhance muscle growth, strength, and athletic performance

  • Peptide Blends

    Pre-formulated research blends combining multiple peptides in a single preparation for synergistic effects.

  • Sexual Health

    Peptides that affect sexual function and libido

  • Skin & Anti-Aging

    Peptides that promote skin health, collagen production, and anti-aging effects

Blog Categories

0 categories

Research Articles & Blog Posts

86 articles
Comparison(21)
Dosage Guide(18)
Research(26)

Peptide Vendor Profiles

32 vendors
  • Peptide Partners

    Premium Finnrick member with A GREAT scores on Ipamorelin (9.9/10), Retatrutide, and TB-500 across 7 independently verified compounds.

  • Atomik Labz

    Consistent A GREAT Finnrick ratings across CJC-1295, GHK-Cu, Melanotan II, and Retatrutide; strong all-round quality profile.

  • Orbitrex Peptides

    Strong preliminary data: A GREAT Tirzepatide on Finnrick (8.8 avg, min 8.2/10); third-party verified with consistent GLP-1 quality.

  • Planet Peptide

    Finnrick A GREAT across Ipamorelin, Mazdutide, PT-141, and Semaglutide; broad catalog with strong GLP-1 and secretagogue coverage.

  • Swiss Chems

    Finnrick E BAD on CJC-1295 (avg 0.9/10) and D POOR on Ipamorelin — significant quality failures. Use extreme caution on all compounds.

  • Core Peptides

    Transparent batch testing and a wide selection of research peptides at mid-range pricing.

  • Limitless Life Nootropics

    Specialist in hard-to-source nootropic peptides including Semax, Selank, and Russian research compounds.

  • Blue Sky Peptide

    One of the oldest US research peptide vendors with a long track record and a large established customer base.

  • Biolongevity Labs

    Longevity-specialist peptide supplier with full batch-level third-party COA documentation across all catalog compounds, with a deep focus on Khavinson bioregulators and anti-aging peptides.

  • Amino Asylum

    Budget-friendly research peptides with a loyal community and a wide catalog at competitive prices.

  • OmegaAmino

    GLP-1 focused vendor with Finnrick A GREAT Retatrutide score (avg 7.7, max 10.0/10); independently verified third-party testing.

  • Peptide Crafters

    Growing catalog with Finnrick A GREAT on Retatrutide and Semaglutide; third-party verified across 7 compounds with 40 total samples.

  • Simple Peptide

    Straightforward mid-range supplier with Finnrick A GREAT on Ipamorelin and Semaglutide; third-party verified across 7 compounds.

  • Loti Labs

    Established research vendor with third-party testing; Finnrick C OKAY on Tirzepatide — better suited for non-GLP-1 compounds.

  • Liberty Peptides

    US-based research supplier with Finnrick C OKAY on Retatrutide; third-party COAs available — verify GLP-1 compounds independently.

  • Glow Aminos

    Skin and cosmetic peptide specialist with GHK-Cu, Matrixyl, and TB-500; budget-friendly with moderate quality documentation.

  • Penguin Peptides

    Small research peptide supplier with limited Finnrick data (only 4 samples); listed as unrated — independent verification strongly advised.

  • Paramount Peptides

    Finnrick A GREAT on Ipamorelin; mixed profile across 8 compounds — reliable for secretagogues, more variable on GLP-1 peptides.

  • PeptiLab Research

    Finnrick B GOOD on BPC-157 and Melanotan II; C OKAY on other compounds — in-house testing only with limited independent verification.

  • Evolve BioPep

    Finnrick C OKAY on Tirzepatide with inconsistent quantities detected; in-house testing only — exercise caution and verify independently.

  • LSPL

    Finnrick E BAD on Retatrutide (min 1.6/10) — serious quality failures on complex GLP-1 compounds. In-house testing only.

  • Kylo Peptides

    Per-lot certificates from an independent ISO/IEC 17025 laboratory, published openly and matched to the lot number printed on the vial.

  • Biotech Peptides

    One of the largest research peptide selections available, with rapid domestic fulfillment.

  • Eternal Peptides

    Research peptide supplier with independently tested GLP-1 compounds, Melanotan II, and peptide blends at competitive pricing.

  • Modern Aminos

    Small research peptide supplier with a focus on GLP-1 compounds; limited independent testing documentation.

  • Polaris Peptides

    Among the most data-rich vendors on Finnrick: 97 samples across 9 compounds including A GREAT Tirzepatide (8.8/10) and GHK-Cu.

  • Skye Peptides

    Strong GLP-1 specialization with Finnrick A GREAT on Mazdutide, Semaglutide, and Tirzepatide across a 10-compound catalog.

  • Verified Peptides

    Established third-party verified supplier with Finnrick A GREAT on Semaglutide and Tirzepatide; solid 36-sample quality track record.

  • Nuscience Peptides

    Emerging GLP-1 specialist with Finnrick A GREAT Tirzepatide score (8.0 avg, max 10.0); verified third-party testing on core compounds.

  • MyBioSource

    One of the broadest research peptide catalogs available in the US market, with third-party batch COA documentation and competitive pricing for high-volume research sourcing.

  • Sports Technology Labs

    US-manufactured research chemicals with ISO-certified third-party testing and a proven track record.

  • AminoClub

    US-based research peptide supplier with third-party COA documentation and a focused selection of core research compounds.

Research Resources

3 resources
  • Peptide Learning Center

    Beginner-to-advanced research guides: what are peptides, reconstitution, storage, COA reading, half-life, and stacking.

  • Peptide Research Glossary A–Z

    Comprehensive definitions for 40+ terms in peptide science, pharmacology, biochemistry, and laboratory methodology.

  • Vendor Review Methodology

    How Know Your Peptide evaluates, scores, and ranks peptide vendors: the KYP Score rubric, data sources, and review process.

Company & About

2 pages
  • About Know Your Peptide

    Our mission, editorial team, and the standards behind every peer-reviewed peptide profile.

  • Contact Us

    Get in touch with the Know Your Peptide editorial team for research questions, corrections, or partnerships.

Legal & Reference

3 pages
  • Research Disclaimer

    Know Your Peptide is a research reference only. All content is for educational purposes.

  • Privacy Policy

    How we collect, use, and protect your information.

  • Terms of Service

    Terms and conditions governing your use of Know Your Peptide.

XML Sitemap for Search Engines

  • /sitemap.xml, Machine-readable XML sitemap

    Submitted to Google Search Console. Contains last-modified dates and priority signals for all peptide profiles, blog posts, categories, vendor pages, and static tool pages.

All content on Know Your Peptide references peer-reviewed literature and is strictly for research and educational use only. Not medical advice. Not for human consumption.

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