Peptide guides for the United States.Evidence-first. Third-party COAs. Rated US vendors.

76 peptide guides. A free dosing calculator. US vendors rated on quality, shipping, and service. Built for research use in the US.

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76 peptide guides
6 rated vendors
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Trusted vendors

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Community-rated peptide suppliers with verified testing.

Ascension Peptides

🇺🇸 United States

4.5/5

Exclusive discount on your order

PEPTIDESFY
Exclusive discount with code PEPTIDESFYThird-party COA on every product
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Apollo Peptide Sciences

🇺🇸 United States

4.3/5
Third-party COA on every productBased in Oxnard, California
Visit store ↗Featured

Aussie Peptides

🇦🇺 Australia

5.0/5
Exclusive 10% off with code PEPFYI10Third-party tested purity
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Base Peptides

🇦🇺 Australia

4.8/5
University lab tested in Sydney20+ peptides in catalogue
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Popular guides

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Recovery & Healing

BPC-157

The recovery peptide backed by 30+ years of research

6 vendors

Recovery & Healing

TB-500

Systemic tissue repair - from tendons to cardiac muscle

6 vendors

Skin & Longevity

GHK-Cu

The copper peptide your skin used to make on its own

6 vendors

Weight Management

Semaglutide

The GLP-1 agonist behind the weight loss revolution

2 vendors

Weight Management

Tirzepatide

The dual-action GLP-1 that outperforms Ozempic in every trial

1 vendor

Growth Hormone

MK-677

The oral GH secretagogue - no injection required

Free guide

The 2026 Beginner Peptide Protocol

Which peptides to start with, what to avoid, and how to handle them safely. Sourced from published research. Delivered to your inbox.

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