Simple Peptide review: is it legit?

Live Transparency score 82/100 Checked Oct 15, 2026. Visit simplepeptide.com

Our findings in brief

In short: Simple Peptide scores 82/100, higher than 91% of the 192 active vendors we track. It's #12 on our best peptide vendors list.

We haven't lab-tested anything from Simple Peptide, so this covers public evidence only, not product quality. As of Oct 15, 2026:

What checks out

What's missing or unverified

At a glance

Website
simplepeptide.com
Status
Live
Domain registered
Dec 19, 2023 (2.8 years ago)
Registrar
NameCheap, Inc.
Domain expires
Dec 19, 2031
First archived
Jan 29, 2024
Shop platform
WooCommerce
Ships to (stated)
US, worldwide
Payment (stated)
Card
COAs
Generic COAs only (Finnrick)
Research-use disclaimer
Yes
Traffic rank (Tranco)
412,472 (1 = the most visited site)

Transparency checks

Six checks of public information, worth 100 points. The score measures openness, not product quality. How we score.

CheckWhat we foundPointsEvidence
Domain age Registered Dec 19, 2023 (2.8 years old) 15/20 Registry record
Public certificates of analysis Only generic or sample COAs are public 12/25 COA page
Independent lab named on COAs Lab named: Finnrick 10/10 COAs
Business identity Company name (Melex Technologies Inc) and address published 15/15 Company name
Shipping, refund and terms pages All three found 15/15 Shipping · Terms
Card or PayPal payment (buyer protection) Site lists card 15/15 Card

Total: 82/100. All six checks completed.

Simple Peptide prices compared

We don't have prices for Simple Peptide yet. It may not publish prices in a form we can read reliably.

Alternatives to Simple Peptide

Live vendors, ranked by transparency score. Payments from vendors never affect this order.

# Vendor Status Transparency Domain age COAs Ships to Prices tracked Lab tests
1 Pure Peptide Labs Live 90/100 12 months Batch COAs public US, worldwide 44 —
2 Peptidology Live 90/100 22 months Batch COAs public US 3 —
3 Coastal Peptides Live 88/100 2.8 years Batch COAs public US, Canada — —
4 Eros Peptides Live 87/100 3.4 years Generic COAs only US 14 —
5 Nationwide Peptides Live 85/100 11 months Batch COAs public US 38 —

Is something wrong?

If you run Simple Peptide, or you have evidence that something here is out of date, email [email protected] with a link to the evidence. We re-check within five business days and log every change on our corrections page.

Evidence we used (24)