Oasis Peptides Reviews
Oasis Peptides review: 30 independent lab tests across 6 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is Oasis Peptides legit? Lab record: Mixed
How we rate- 20 independent tests
- 17 of 19 lots filled to label
- Median purity 99.78%
- 2 of 5 products graded D or E
Some of Oasis Peptides's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested BPC-157
Oasis 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 Oasis 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
Oasis Peptides: grade ESemaglutide
Oasis Peptides: grade EOasis 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 Oasis Peptides' site.
- RetatrutideBGOOD
- Tests
- 8
- Passed
- 87.5%
- TirzepatideBGOOD
- Tests
- 6
- Passed
- 61.0%
- Melanotan IIBGOOD
- Tests
- 5
- Passed
- 80.0%
- BPC-157EBAD
- Tests
- 4
- Passed
- 50.0%
- SemaglutideEBAD
- Tests
- 4
- Passed
- 35.0%
- Tests
- 3
- Passed
- —
What the testing shows
Across 19 measured samples from Oasis Peptides, 2 came in more than 5% under the quantity on the label (11%). Another 9 measured more than 5% over. Purity across 20 readings ran from 79.29% to 99.94%, median 99.78%. Samples span Jan 2025 to Mar 2026.
- Under label
- 2/19
- Median purity
- 99.78%
- Latest sample
- Mar 2026
more than 5% short
79.29%–99.94% range
first tested Jan 2025
Our read on Oasis Peptides
13 of Oasis Peptides' 20 graded samples passed (65%), and 30% of all samples were sent in by buyers rather than by the shop.
Results are improving: 80% passed over the latest six months, up from 60% before.
When a sample failed, the most common reason was purity under 99.5% (5 times).
Against the 302 shops with at least five graded tests, Oasis Peptides' pass rate is at or above 26% of them, and it has more tests on record than 64% of them.
When and how Oasis Peptides was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Chromate (7), MZ Biolabs (6), BTLabs (4), TrustPointe (2)
- Who sent the samples
- buyers 30%, testing programme 70%
- Batches covered
- 2 distinct batch numbers
Why Oasis Peptides' failed samples failed
The 6 most recent failed tests, with the lab's reason.
CJC-1295 No DAC · Mar 21, 2026
amount in the vial more than 35% off the label
Melanotan II · Feb 19, 2025
purity under 99.5%
Retatrutide · Feb 13, 2025
purity under 99.5%
BPC-157 · Jan 23, 2025
amount in the vial more than 35% off the label
CJC-1295 · Jan 23, 2025
purity under 99.5%
CJC-1295 · Jan 14, 2025
purity under 99.5%
Lab testing results
Independent results across 6 products.
Individual lab tests
Date
3/25/2026
Purity
99.9%
Quantity
10.5 mg → 12.1 mg
Lab
BTLabs
Vial
Green Label / Silver Crimp / Orange Cap
Date
3/25/2026
Purity
99.8%
Quantity
10.27 mg → 10.5 mg
Lab
BTLabs
Vial
Green Label / Silver Crimp / Clear Blue Cap
Date
3/21/2026
Purity
99.6%
Quantity
4.69 mg → 7.7 mg
Lab
BTLabs
Vial
Green Label / Silver Crimp / Red Cap
Date
3/21/2026
Purity
99.8%
Quantity
4.89 mg → 5.8 mg
Lab
BTLabs
Vial
Green Label / Silver Crimp / Black Cap
Date
12/17/2025
Purity
99.94%
Quantity
10.49 mg → 9.86 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| Melanotan IIGreen Label / Silver Crimp / Orange Cap | 3/25/2026 | 10.0 | 99.9% | 10.5 mg → 12.1 mg | BTLabs | View |
| RetatrutideGreen Label / Silver Crimp / Clear Blue Cap | 3/25/2026 | 10.0 | 99.8% | 10.27 mg → 10.5 mg | BTLabs | View |
| CJC-1295Green Label / Silver Crimp / Red Cap | 3/21/2026 | 10.0 | 99.6% | 4.69 mg → 7.7 mg | BTLabs | View |
| BPC-157Green Label / Silver Crimp / Black Cap | 3/21/2026 | 10.0 | 99.8% | 4.89 mg → 5.8 mg | BTLabs | View |
| BPC-157No Label / Silver Crimp / Blue Cap | 12/17/2025 | 10.0 | 99.94% | 10.49 mg → 9.86 mg | Krause Analytical | View |
Which Oasis Peptides products tested best
Retatrutide, Melanotan II and Tirzepatide have the strongest record, graded A or B.
BPC-157 and Semaglutide graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Oasis Peptides
If you order from Oasis 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 don't track Oasis Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is myoasislabs.com/shop. 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 Oasis Peptides
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Oasis Peptides: common questions
Is Oasis Peptides legit?
We rate lab records, not businesses. Mixed lab record: 20 independent tests, 17 of 19 lots filled to label, median purity 99.78%, 2 of 5 products graded D or E. Each result links to its original certificate in the table above.
What do Oasis Peptides reviews say?
We don't hold scored customer reviews for Oasis Peptides yet. The independent lab results on this page are the evidence we have.
Which Oasis Peptides peptides tested best?
We have graded 5 Oasis Peptides products. Retatrutide, Melanotan II and Tirzepatide graded A or B. BPC-157 and Semaglutide graded D or E.
Is there a Oasis Peptides coupon code?
We don't have a verified Oasis Peptides coupon code. A discount changes the price, not what is in the vial.
Ordering from Oasis Peptides?
Mixed lab record: 20 independent tests, 17 of 19 lots filled to label, median purity 99.78%, 2 of 5 products graded D or E.