SJ Peptides reviews
SJ Peptides reviews: 3 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is SJ Peptides legit? Lab record: Limited
How we rate- 3 independent tests
- 3 of 3 lots filled to label
- Median purity 99.9%
- Its tested product graded C or better
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Vendor website
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3 independent COAs · not paid-to-rank · 0 of 3 lots under label
Visit SJ PeptidesOpens the vendor site. No partner discount on this shop.
Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
SJ 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 SJ Peptides' site.
- TirzepatideAGREAT
- Tests
- 3
- Passed
- 100.0%
What the testing shows
Across 3 measured samples from SJ Peptides, 0 came in more than 5% under the quantity on the label (0%). Another 1 measured more than 5% over. Purity across 3 readings ran from 99.8% to 99.91%, median 99.9%. Samples span Aug 2025 to Jan 2026.
- Under label
- 0/3
- Median purity
- 99.9%
- Latest sample
- Jan 2026
- Ships from
- United States
more than 5% short
99.8%–99.91% range
first tested Aug 2025
per vendor listing
Our read on SJ Peptides
3 of SJ Peptides' 3 graded samples passed (100%), and 100% of all samples were sent in by buyers rather than by the shop.
When and how SJ Peptides was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (2), BTLabs (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 1 distinct batch numbers
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
1/26/2026
Purity
99.8%
Quantity
10 mg → 10.5 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Clear Green Cap
Date
11/25/2025
Purity
99.9%
Quantity
20 mg → 19.6 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Date
8/11/2025
Purity
99.91%
Quantity
10 mg → 12 mg
Lab
Krause Analytical
Vial
White & Blue Label / Silver Crimp / Red Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideNo Label / Silver Crimp / Clear Green Cap | 1/26/2026 | 10.0 | 99.8% | 10 mg → 10.5 mg | BTLabs | View |
| TirzepatideNo Label / Silver Crimp / Violet Cap | 11/25/2025 | 10.0 | 99.9% | 20 mg → 19.6 mg | Krause Analytical | View |
| TirzepatideWhite & Blue Label / Silver Crimp / Red Cap | 8/11/2025 | 10.0 | 99.91% | 10 mg → 12 mg | Krause Analytical | View |
Which SJ Peptides products tested best
Tirzepatide has the strongest record, graded A or B.
Buying from SJ Peptides
If you order from SJ Peptides, start with the graded products in the table: each one links straight to the shop.
We don't track SJ Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is sjpeptides.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 SJ Peptides
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SJ Peptides: common questions
Is SJ Peptides legit?
We rate lab records, not businesses. Limited lab record: 3 independent tests, 3 of 3 lots filled to label, median purity 99.9%, its tested product graded C or better. Each result links to its original certificate in the table above.
What do SJ Peptides reviews say?
We don't hold scored customer reviews for SJ Peptides yet. The independent lab results on this page are the evidence we have.
Which SJ Peptides peptides tested best?
We have graded 1 SJ Peptides product. Tirzepatide graded A or B.
Is there a SJ Peptides coupon code?
We don't have a verified SJ Peptides coupon code. A discount changes the price, not what is in the vial.
Where does SJ Peptides ship from?
Public listings place SJ Peptides's shipping origin in United States. Check the shop's own shipping page before ordering, as origin can change.
Ordering from SJ Peptides?
Limited lab record: 3 independent tests, 3 of 3 lots filled to label, median purity 99.9%, its tested product graded C or better.