74 vendors scoredUpdated weekly

The most current peptide prices.

Live pricing, COA-verified lab results, and shipping data across 74 vendors. Refreshed continuously. No vendor pays for ranking.

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Refreshed daily

74 vendors scored

Independently tested

$2,688/yr

Average overpay

buying Tirzepatide from the wrong vendor

42 vendors

Carry Tirzepatide

each scored on price, purity & shipping

4 days ago

Last refresh

prices verified weekly across the directory

Methodology

How we score 72 vendors.

Six dimensions, weighted by what actually matters when you're sourcing peptides for research. No vendor pays for placement. No affiliate kickbacks change a score.

30%

COA

Independent purity verification

Evidence: Third-party HPLC + mass spec results per batch

25%

Price

Cost per milligram, all-in

Evidence: Spot-checked weekly across the full catalog

15%

Reputation

Track record in the research community

Evidence: Reddit, Discord, COA cross-references over 12+ months

10%

US shipping

Delivery to the US

Evidence: Tested ship times, customs reliability, refund policy

10%

Catalog depth

Breadth of compounds carried

Evidence: Number of unique peptides with verified inventory

10%

Payment

Payment safety & flexibility

Evidence: Card, crypto, ACH options + dispute protections

Weights sum to 100%. COA verification carries the most weight because pricing means nothing if the compound isn't what the label says.

Read the full methodology

Most searched

The most searched peptides.

Six peptides drive 70% of vendor catalogs. See the cheapest tested source for each — updated weekly.

Healing

BPC-157

Tissue repair · gut healing

GLP-1 · GIP dual agonist

GLP-1 · weight management

Muscle and joint recovery

Growth hormone release

Skin · hair · anti-aging

Cheapest tested

$0.30/mg

Vendors

Prices reflect the lowest tested $/mg across 63+ vendors. COA verification weighted before price.

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