In stock−40%
Is Eternal Peptides Legit
Is Eternal Peptides a legit peptide vendor? 28 independent lab tests across 5 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Lab record: Mixed
How we rate- 28 independent tests
- 25 of 28 lots filled to label
- Median purity 99.33%
- 3 of 4 products graded D or E
Some of Eternal Peptides's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested BPC-157
Eternal Peptides graded E. Zenith Jove Peptide ZJ's BPC-157 graded A across 10 tests.
Buy from Zenith Jove Peptide ZJAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Eternal Peptides graded D or E, these shops' samples of the same peptide graded A or B. Ordered by grade, then price per mg. Partner status never changes the order.
BPC-157
Eternal Peptides: grade ETirzepatide
Eternal Peptides: grade ERetatrutide
Eternal Peptides: grade DEternal Peptides products we've tested
Best-graded first. Grades come from the share of each product's samples that passed purity and quantity checks. Buy links open Eternal Peptides' site.
- Melanotan IIAGREAT
- Tests
- 4
- Passed
- 100.0%
- Price/mg
- $4.00 / mg
- RetatrutideDPOOR
- Tests
- 5
- Passed
- 60.0%
- Price/mg
- —
- BPC-157EBAD
- Tests
- 10
- Passed
- 20.0%
- Price/mg
- —
- TirzepatideEBAD
- Tests
- 5
- Passed
- 20.0%
- Price/mg
- —
- Semaglutide—
- Tests
- 4
- Passed
- —
- Price/mg
- —
What the testing shows
Across 28 measured samples from Eternal Peptides, 3 came in more than 5% under the quantity on the label (11%). Another 12 measured more than 5% over. Purity across 28 readings ran from 51.5% to 100%, median 99.33%. Samples span May 2025 to Sep 2026.
- Under label
- 3/28
- Median purity
- 99.33%
- Latest sample
- Sep 2026
more than 5% short
51.5%–100% range
first tested May 2025
Our read on Eternal Peptides
10 of Eternal Peptides' 28 graded samples passed (36%), and 21% of all samples were sent in by buyers rather than by the shop.
Results are improving: 50% passed over the latest six months, up from 33% before.
When a sample failed, the most common reason was purity under 99.5% (18 times).
Against the 302 shops with at least five graded tests, Eternal Peptides' pass rate is at or above 6% of them, and it has more tests on record than 62% of them.
When and how Eternal Peptides was tested
Samples per month. The darker part of each bar failed.
May '25
Nov '25
Mar '26
Jul '26
Sep '26
- Labs used
- Krause Analytical (13), Janoshik (8), BTLabs (2), Chromate (2)
- Who sent the samples
- buyers 21%, testing programme 79%
- Batches covered
- 9 distinct batch numbers; 1 checked for endotoxins
Why Eternal Peptides' failed samples failed
The 6 most recent failed tests, with the lab's reason.
BPC-157 · Sep 15, 2026
purity under 99.5%; amount in the vial more than 35% off the label
BPC-157 · Mar 19, 2026
purity under 99.5%
BPC-157 · Mar 10, 2026
purity under 99.5%
BPC-157 · Nov 17, 2025
purity under 99.5%
Retatrutide · May 21, 2025
purity under 99.5%
Semaglutide · May 21, 2025
purity under 99.5%
Catalog & prices
Every peptide and vial size Eternal Peptides currently sells. Prices refresh weekly.
Sort
Showing 1–24 of 31 productsPrices refreshed weekly · Direct from Eternal Peptides
- In stock−40%
In stock−34%
In stock−40%- In stock−45%
In stock−30%
In stock−33%- In stock−38%
In stock−38%
In stock−36%
In stock−39%- In stock−40%
In stock−39%
In stock−30%- In stock
In stock−36%
In stock−27%
In stock−34%
In stock−19%
In stock−38%
In stock−42%
In stock−29%- In stock−17%
In stock−31%- In stock−32%
Lab testing results
Independent results across 5 products.
28
Total lab tests
98.4%
Avg purity
100.0%
Best score
51.5%
Worst score
Individual lab tests
BPC-1575.2
Date
9/15/2026
Purity
51.5%
Quantity
5 mg → 2.58 mg
Lab
Harrens Lab
Vial
White label / Silver crimp / Yellow cap
Tirzepatide10.0
Date
7/14/2026
Purity
99.8%
Quantity
10 mg → 9.47 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Clear Green cap
Retatrutide10.0
Date
3/25/2026
Purity
99.7%
Quantity
10 mg → 10.9 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Clear Blue Cap
BPC-1579.9
Date
3/19/2026
Purity
98.8%
Quantity
10 mg → 9.8 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Gray Cap
BPC-1579.9
Date
3/10/2026
Purity
99.1%
Quantity
10 mg → 7.05 mg
Lab
Krause Analytical
Vial
White Label / Silver Crimp / Green Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| BPC-157White label / Silver crimp / Yellow cap | 9/15/2026 | 5.2 | 51.5% | 5 mg → 2.58 mg | Harrens Lab | View |
| TirzepatideWhite label / Silver crimp / Clear Green cap | 7/14/2026 | 10.0 | 99.8% | 10 mg → 9.47 mg | Krause Analytical | View |
| RetatrutideWhite Label / Silver Crimp / Clear Blue Cap | 3/25/2026 | 10.0 | 99.7% | 10 mg → 10.9 mg | BTLabs | View |
| BPC-157White Label / Silver Crimp / Gray Cap | 3/19/2026 | 9.9 | 98.8% | 10 mg → 9.8 mg | BTLabs | View |
| BPC-157White Label / Silver Crimp / Green Cap | 3/10/2026 | 9.9 | 99.1% | 10 mg → 7.05 mg | Krause Analytical | View |
Which Eternal Peptides products tested best
Melanotan II has the strongest record, graded A or B.
Retatrutide, BPC-157 and Tirzepatide graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Eternal Peptides
If you order from Eternal Peptides, the A- and B-graded products are the safer picks on this record. For the weaker ones, the better-tested options on this page come from other shops.
We track 31 listings from Eternal Peptides with current prices, so you can compare price per mg before you buy.
The official store is eternalpeptides.net. Check the address before you pay.
What to check before you pay
- The lot number on the vial matches the certificate
- The certificate names the lab and the test date
- Fill versus label, not purity alone
- A refund policy in writing
Track Eternal Peptides
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Eternal Peptides: common questions
Is Eternal Peptides legit?
We rate lab records, not businesses. Mixed lab record: 28 independent tests, 25 of 28 lots filled to label, median purity 99.33%, 3 of 4 products graded D or E. Each result links to its original certificate in the table above.
What do Eternal Peptides reviews say?
We don't hold scored customer reviews for Eternal Peptides yet. The independent lab results on this page are the evidence we have.
Which Eternal Peptides peptides tested best?
We have graded 4 Eternal Peptides products. Melanotan II graded A or B. Retatrutide, BPC-157 and Tirzepatide graded D or E.
Is there a Eternal Peptides coupon code?
We don't have a verified Eternal Peptides coupon code. A discount changes the price, not what is in the vial, so compare price per mg in the catalog above.
Ordering from Eternal Peptides?
Mixed lab record: 28 independent tests, 25 of 28 lots filled to label, median purity 99.33%, 3 of 4 products graded D or E.
Contact
- US, NY 11362
- eternalpeptides.net