Coastal Peptides review: is it legit?
Live Transparency score 88 Visit coastalpeptides.com
Our findings in brief
In short: Coastal Peptides scores 88/100, higher than 98% of the 192 active vendors we track. It's #3 on our best peptide vendors list.
We haven't lab-tested anything from Coastal Peptides, so this covers public evidence only, not product quality. As of Oct 15, 2026:
What checks out
- Publishes batch-specific certificates of analysis (COAs) from Chromate and Kovera Labs
- Domain registered 2.8 years ago
- Publishes shipping, refund and terms pages
- Accepts card payments, which carry buyer protection
What's missing or unverified
- Publishes an address but no company name
At a glance
- Website
- coastalpeptides.com
- Status
- Live
- Domain registered
- Jan 12, 2024 (2.8 years ago)
- Registrar
- Squarespace Domains LLC
- Domain expires
- Jan 12, 2027
- First archived
- Jan 12, 2024
- Shop platform
- WooCommerce
- Ships to (stated)
- US, Canada
- Payment (stated)
- Card, Cash App
- COAs
- Batch COAs public (Chromate, Kovera Labs)
- Research-use disclaimer
- Yes
- Traffic rank (Tranco)
- Outside the top 1 million
Transparency checks
Six checks of public information, worth 100 points. The score measures openness, not product quality. How we score.
| Check | What we found | Points | Evidence |
|---|---|---|---|
| Domain age | Registered Jan 12, 2024 (2.8 years old) | 15/20 | Registry record |
| Public certificates of analysis | Batch-specific COAs are public | 25/25 | COA page |
| Independent lab named on COAs | Lab named: Chromate, Kovera Labs | 10/10 | COAs |
| Business identity | Address published; no company name found | 8/15 | Address |
| Shipping, refund and terms pages | All three found | 15/15 | Shipping · Refund · Terms |
| Card or PayPal payment (buyer protection) | Site lists card and Cash App | 15/15 | Card, Cash App |
Total: 88/100. All six checks completed.
Coastal Peptides prices compared
We don't have prices for Coastal Peptides yet. It may not publish prices in a form we can read reliably.
Alternatives to Coastal Peptides
Live vendors, ranked by transparency score. Payments from vendors never affect this order.
| # | Vendor | Status | Transparency | Prices tracked |
|---|---|---|---|---|
| 1 | Pure Peptide Labs | 90 | 44 | |
| 2 | Peptidology | 90 | 3 | |
| 3 | Eros Peptides | 87 | 14 | |
| 4 | Nationwide Peptides | 85 | 38 | |
| 5 | Mile High Compounds | 85 | 2 |
Is something wrong?
If you run Coastal Peptides, 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 (21)
- Domain: peptideprotocolwiki.com/vendors/coastal-peptides (directory profile lists this website)
- Domain: finnrick.com/vendors/coastal-peptides (directory profile lists this website)
- Site status: coastalpeptides.com (HTTP 200)
- Shop platform: coastalpeptides.com (page source contains 'woocommerce')
- Shipping policy: coastalpeptides.com/shipping_payments (policy page found and readable)
- Refund policy: coastalpeptides.com/refund_returns (policy page found and readable)
- Terms page: coastalpeptides.com/terms_conditions (policy page found and readable)
- Research-use disclaimer: coastalpeptides.com ("the one who answers your email. Supplied for in-vitro research use only. Browse Research Peptides View…")
- Shipping regions: coastalpeptides.com/shipping_payments ("Shipping Restrictions We currently ship only to addresses within the United States.")
- Payment methods: coastalpeptides.com/shipping_payments (card: 'Remember me Or sign in with your email Google Home » Shipping & Payments Shipping & Payments Payment Methods W')
- Payment methods: coastalpeptides.com/shipping_payments (cashapp: 'Cash App — Fast, secure peer-to-peer payments with real-time confirmation.')
- Address: coastalpeptides.com ("3943 Irvine Blvd #231 Irvine, CA…")
- Contact email: coastalpeptides.com/terms_conditions ([email protected])
- COAs: coastalpeptides.com/test_results (67 COA documents, 19 lot/batch IDs, page states "batch-specific"; labs named: Chromate, Kovera Labs)
- Domain registration: Domain registry record (RDAP) (rdap: created Jan 12, 2024, expires Jan 12, 2027, registrar Squarespace Domains LLC)
- First Internet Archive copy: Internet Archive capture list (first Wayback capture Jan 12, 2024)
- Listed by: finnrick.com/vendors/coastal-peptides (listed on finnrick.com)
- Listed by: peptidebenchmark.com/vendors/coastal-peptides (listed on peptidebenchmark.com)
- Listed by: peptidecritic.com/vendor/coastal-peptides (listed on peptidecritic.com)
- Listed by: peptideprotocolwiki.com/vendors/coastal-peptides (listed on peptideprotocolwiki.com)
- Traffic rank (Tranco): tranco-list.eu/download/daily/top-1m.csv.zip (not in Tranco's top-1M list of Oct 15, 2026)