Is Atomik Labz Legit
Is Atomik Labz a legit peptide vendor? 44 independent lab tests across 9 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Lab record: Mixed
How we rate- 44 independent tests
- 43 of 44 lots filled to label
- Median purity 99.75%
- 4 of 9 products graded D or E
Some of Atomik Labz's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested PT-141
Atomik Labz graded E. Peptide Sciences's PT-141 graded A across 6 tests.
Buy from Peptide SciencesAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where Atomik Labz 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.
Atomik Labz 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 Atomik Labz's site.
- RetatrutideAGREAT
- Tests
- 9
- Passed
- 100.0%
- TirzepatideAGREAT
- Tests
- 5
- Passed
- 100.0%
- Melanotan IIAGREAT
- Tests
- 4
- Passed
- 100.0%
- GHK-CuAGREAT
- Tests
- 4
- Passed
- 100.0%
- SemaglutideAGREAT
- Tests
- 4
- Passed
- 100.0%
- CJC-1295DPOOR
- Tests
- 5
- Passed
- 60.0%
- IpamorelinDPOOR
- Tests
- 5
- Passed
- 60.0%
- PT-141EBAD
- Tests
- 4
- Passed
- 50.0%
- BPC-157EBAD
- Tests
- 4
- Passed
- 25.0%
What the testing shows
Across 44 measured samples from Atomik Labz, 1 came in more than 5% under the quantity on the label (2%). Another 36 measured more than 5% over. Purity across 44 readings ran from 97.81% to 100%, median 99.75%. Samples span May 2025 to Aug 2026.
- Under label
- 1/44
- Median purity
- 99.75%
- Latest sample
- Aug 2026
more than 5% short
97.81%–100% range
first tested May 2025
Our read on Atomik Labz
35 of Atomik Labz's 44 graded samples passed (80%), and 18% of all samples were sent in by buyers rather than by the shop.
Results are improving: 100% passed over the latest six months, up from 76% before.
When a sample failed, the most common reason was purity under 99.5% (9 times).
Against the 302 shops with at least five graded tests, Atomik Labz's pass rate is at or above 66% of them, and it has more tests on record than 74% of them.
When and how Atomik Labz was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Chromate (12), TrustPointe (12), Krause Analytical (10), Janoshik (8)
- Who sent the samples
- buyers 18%, testing programme 82%
- Batches covered
- 14 distinct batch numbers; 1 checked for endotoxins
Why Atomik Labz's failed samples failed
The 6 most recent failed tests, with the lab's reason.
CJC-1295 No DAC · May 20, 2025
purity under 99.5%
CJC-1295 No DAC · May 20, 2025
purity under 99.5%
Ipamorelin · May 7, 2025
purity under 99.5%
Ipamorelin · May 7, 2025
purity under 99.5%
PT-141 · May 7, 2025
purity under 99.5%
PT-141 · May 7, 2025
purity under 99.5%
Lab testing results
Independent results across 9 products.
Individual lab tests
Date
8/12/2026
Purity
99.9%
Quantity
10 mg → 10.2 mg
Lab
Krause Analytical
Vial
White label / Blue crimp / Clear cap
Date
8/3/2026
Purity
99.9%
Quantity
30 mg → 33 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Red cap
Date
6/12/2026
Purity
99.9%
Quantity
24 mg → 20.8 mg
Lab
Krause Analytical
Vial
White label / Silver crimp / Yellow cap
Date
5/11/2026
Purity
99.9%
Quantity
10 mg → 9.85 mg
Lab
Krause Analytical
Vial
White Label / Blue Crimp / Clear Cap
Date
3/4/2026
Purity
99.7%
Quantity
10 mg → 11.8 mg
Lab
BTLabs
Vial
White Label / Blue Crimp / Clear Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideWhite label / Blue crimp / Clear cap | 8/12/2026 | 10.0 | 99.9% | 10 mg → 10.2 mg | Krause Analytical | View |
| TirzepatideWhite label / Silver crimp / Red cap | 8/3/2026 | 10.0 | 99.9% | 30 mg → 33 mg | Krause Analytical | View |
| RetatrutideWhite label / Silver crimp / Yellow cap | 6/12/2026 | 10.0 | 99.9% | 24 mg → 20.8 mg | Krause Analytical | View |
| RetatrutideWhite Label / Blue Crimp / Clear Cap | 5/11/2026 | 10.0 | 99.9% | 10 mg → 9.85 mg | Krause Analytical | View |
| RetatrutideWhite Label / Blue Crimp / Clear Cap | 3/4/2026 | 10.0 | 99.7% | 10 mg → 11.8 mg | BTLabs | View |
Which Atomik Labz products tested best
Retatrutide, Tirzepatide, Melanotan II, GHK-Cu and Semaglutide have the strongest record, graded A or B.
CJC-1295, Ipamorelin, PT-141 and BPC-157 graded D or E: a large share of their samples missed purity or quantity thresholds.
Buying from Atomik Labz
If you order from Atomik Labz, 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 Atomik Labz's prices yet. Shipping, payment and refund terms are on their site.
The official store is atomiklabz.com. 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 Atomik Labz
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Atomik Labz: common questions
Is Atomik Labz legit?
We rate lab records, not businesses. Mixed lab record: 44 independent tests, 43 of 44 lots filled to label, median purity 99.75%, 4 of 9 products graded D or E. Each result links to its original certificate in the table above.
What do Atomik Labz reviews say?
We don't hold scored customer reviews for Atomik Labz yet. The independent lab results on this page are the evidence we have.
Which Atomik Labz peptides tested best?
We have graded 9 Atomik Labz products. Retatrutide, Tirzepatide, Melanotan II, GHK-Cu and Semaglutide graded A or B. CJC-1295, Ipamorelin, PT-141 and BPC-157 graded D or E.
Is there a Atomik Labz coupon or discount code?
We don't have a verified Atomik Labz coupon or discount code. A discount changes the price, not what is in the vial.
Ordering from Atomik Labz?
Mixed lab record: 44 independent tests, 43 of 44 lots filled to label, median purity 99.75%, 4 of 9 products graded D or E.
Contact
- US. Florida, 33411
- atomiklabz.com