Peptide Supply reviews
Peptide Supply reviews: 3 independent lab tests across 1 product, with a limited lab record.
Written by Jian Wang, Founder & CEO
Is Peptide Supply legit? Lab record: Limited
How we rate- 3 independent tests
- 2 of 3 lots filled to label
- Median purity 99.7%
- 1 of 1 product graded D or E
Some of Peptide Supply's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Tirzepatide
Peptide Supply graded D. Paradigm Peptide's Tirzepatide graded A across 10 tests, $4.97 / mg.
Partner · 10% off
Buy from Paradigm PeptideAll better-tested optionsBoren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Peptide Supply 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.
Tirzepatide
Peptide Supply: grade DPeptide Supply 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 Peptide Supply's site.
- TirzepatideDPOOR
- Tests
- 3
- Passed
- 66.7%
What the testing shows
Across 3 measured samples from Peptide Supply, 1 came in more than 5% under the quantity on the label (33%). Another 1 measured more than 5% over. Purity across 3 readings ran from 99.5% to 99.8%, median 99.7%. Samples span Mar 2026 to Mar 2026.
- Under label
- 1/3
- Median purity
- 99.7%
- Latest sample
- Mar 2026
more than 5% short
99.5%–99.8% range
first tested Mar 2026
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
3/25/2026
Purity
99.7%
Quantity
30 mg → 30.1 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
3/20/2026
Purity
99.5%
Quantity
30 mg → 24 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Clear Blue Cap
Date
3/20/2026
Purity
99.8%
Quantity
30 mg → 45.5 mg
Lab
BTLabs
Vial
White Label / Silver Crimp / Clear Blue Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 3/25/2026 | 10.0 | 99.7% | 30 mg → 30.1 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 3/20/2026 | 9.9 | 99.5% | 30 mg → 24 mg | BTLabs | View |
| TirzepatideWhite Label / Silver Crimp / Clear Blue Cap | 3/20/2026 | 10.0 | 99.8% | 30 mg → 45.5 mg | BTLabs | View |
Which Peptide Supply products tested best
Tirzepatide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Peptide Supply
We don't track Peptide Supply's prices yet. Shipping, payment and refund terms are on their site.
The official store is peptidesupplyco.org. 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 Peptide Supply
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Peptide Supply: common questions
Is Peptide Supply legit?
We rate lab records, not businesses. Limited lab record: 3 independent tests, 2 of 3 lots filled to label, median purity 99.7%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Peptide Supply reviews say?
We don't hold scored customer reviews for Peptide Supply yet. The independent lab results on this page are the evidence we have.
Which Peptide Supply peptides tested best?
We have graded 1 Peptide Supply product. Tirzepatide graded D or E.
Is there a Peptide Supply coupon code?
We don't have a verified Peptide Supply coupon code. A discount changes the price, not what is in the vial.
Ordering from Peptide Supply?
Limited lab record: 3 independent tests, 2 of 3 lots filled to label, median purity 99.7%, 1 of 1 product graded D or E.
Contact
Peptide Supply customer reviews
No reviews have been submitted yet for Peptide Supply.