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US domestic vendor

Eternal Peptides

US vendor with the best Finnrick testing rating (A-B) and Janoshik-verified COAs for 23+ peptides.

Last updated

Scored 7.7 7.7 of 10 overall, across 8 dimensions how scores are derived

Score breakdown

Dimension scores are editorial, carried from the operator's earlier directory — they are not user reviews. Each label links to what the dimension measures.

About Eternal Peptides

Eternal Peptides is a US-based research vendor distinguished by having the best Finnrick testing rating (A-B range, indicating very consistent quality) and Janoshik-verified COAs, which is considered the gold standard in third-party peptide testing. The company focuses on longevity and anti-aging peptides, carrying around 23 products with transparent lab results displayed directly on product pages. Their testing covers purity, sterility, endotoxin levels, and heavy metals. Eternal Peptides offers free shipping on orders over $200 via USPS Priority Mail, with Express options available for faster delivery.

Written for the operator's previous directory and reproduced unchanged (markup and emoji stripped); the rest of this site does not share its voice. Ported observed .

From the storefront 8

Ranked by the store's own popularity sort, observed . Accessories — diluent water, shipping protection and the like — are excluded. 8 of these are listed below the store's own regular price. Prices are the storefront's own; the storefront is authoritative.

Catalogue, as their API returns it 8

observed via their public storefront API

ProductPriceRegularCurrency
Reconstitution Solution 14.99 15 USD
EP-3 (R) 99.99 120 USD
EP-3 (R) 175.99 200 USD
BPC-157 54.99 70 USD
BPC-157 + TB500 Blend 129.99 145 USD
Tesamorelin 84.99 100 USD
CJC-1295 (No DAC) + Ipamorelin Blend 79.99 90 USD
MOTS-C 49.99 65 USD

Every row is as the feed returned it, in the store's own currency. Where a regular price sits above the current price both figures show; the storefront is authoritative.

Strengths and weaknesses

Where it does well

  • Best Finnrick testing rating (A-B, very consistent quality)
  • Janoshik testing (gold standard third-party verification)
  • Free shipping over $200
  • Comprehensive test coverage (purity, sterility, endotoxin, heavy metals)
  • Lab results publicly accessible on product pages

Where it falls short

  • Exact location undisclosed
  • Limited pricing visibility on website
  • Newer vendor with moderate track record
  • Credit card only payment

Carried verbatim from the source directory's editorial review, observed .

Shipping

Destinations
  • United States
Countries Served
United States observed
Domestic Shipping
Varies by method (free over $) observed
Estimated Delivery
Domestic: 2-4 business days observed
Free shipping
Yes observed
Reship guarantee
Not on file
Refund policy
Not on file

Payments

  • credit-card

Coupons

No current code on file. Codes are published only with the code, the discount, a source and the date we saw it, and expired codes are removed at build — the coupon policy. 0 are on file site-wide today.

Observed on the storefront: “Buy Peptides Online Claim 10% Off Eternal Research Starts here Join for 10% off +” — code USA20 observed . As displayed by the store's own homepage on that date; quoted, not validated here.

Certificates of analysis

Third-party tested
Yes
Publicly accessible
Yes
Test types
  • HPLC
  • Mass Spectrometry
  • Sterility
  • Endotoxin
  • Heavy Metals
Source's COA tier
third-party

Janoshik analysis (gold standard third-party testing) with results publicly accessible on product pages. Testing covers purity, sterility, endotoxin levels, and heavy metals. observed

A COA describes one batch's purity. It is a document about a vial, not evidence about an effect, and it never grades a claim on this site — the grading rubric names what qualifies.

Peptides listed 8

Linked names have a record here; the others we hold nothing on yet. A vendor listing a compound says nothing about the evidence for it.

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