NutriPeptix reviews
NutriPeptix reviews: 4 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is NutriPeptix legit? Lab record: Limited
How we rate- 4 independent tests
- 1 of 3 lots filled to label
- Median purity 99.75%
- 1 of 1 product graded D or E
Some of NutriPeptix's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
NutriPeptix graded E. Paradigm Peptide's Retatrutide graded A across 8 tests, $10.00 / mg.
Buy from Paradigm PeptideAll better-tested optionsPeptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Better-tested options
Where NutriPeptix 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.
Retatrutide
NutriPeptix: grade ENutriPeptix 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 NutriPeptix's site.
- RetatrutideEBAD
- Tests
- 4
- Passed
- 50.0%
What the testing shows
Across 3 measured samples from NutriPeptix, 2 came in more than 5% under the quantity on the label (67%). Purity across 4 readings ran from 81% to 99.9%, median 99.75%. Samples span Jul 2026 to Sep 2026.
- Under label
- 2/3
- Median purity
- 99.75%
- Latest sample
- Sep 2026
more than 5% short
81%–99.9% range
first tested Jul 2026
Our read on NutriPeptix
2 of NutriPeptix's 4 graded samples passed (50%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was amount in the vial more than 35% off the label (2 times).
When and how NutriPeptix was tested
Samples per month. The darker part of each bar failed.
- Labs used
- BTLabs (4)
- Who sent the samples
- buyers 100%
- Batches covered
- 4 distinct batch numbers
Why NutriPeptix's failed samples failed
The 2 most recent failed tests, with the lab's reason.
Retatrutide · Sep 7, 2026
purity under 99.5%; amount in the vial more than 35% off the label
Retatrutide · Aug 21, 2026
amount in the vial more than 35% off the label
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
9/19/2026
Purity
99.9%
Quantity
20 mg → 17.5 mg
Lab
BTLabs
Vial
No label / Copper crimp / Clear cap
Date
9/7/2026
Purity
81%
Quantity
10 mg → 6.2 mg
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
Date
8/21/2026
Purity
99.7%
Quantity
15 mg → 5.2 mg
Lab
BTLabs
Vial
No label / Copper crimp / Clear cap
Date
7/15/2026
Purity
99.8%
Quantity
15 mg → 14.8 mg
Lab
BTLabs
Vial
No Label / Silver Crimp / Pink Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| RetatrutideNo label / Copper crimp / Clear cap | 9/19/2026 | 10.0 | 99.9% | 20 mg → 17.5 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / Black cap | 9/7/2026 | 8.1 | 81% | 10 mg → 6.2 mg | BTLabs | View |
| RetatrutideNo label / Copper crimp / Clear cap | 8/21/2026 | 10.0 | 99.7% | 15 mg → 5.2 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / Pink Cap | 7/15/2026 | 10.0 | 99.8% | 15 mg → 14.8 mg | BTLabs | View |
Which NutriPeptix products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from NutriPeptix
We don't track NutriPeptix's prices yet. Shipping, payment and refund terms are on their site.
The official store is nutripeptix.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 NutriPeptix
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
NutriPeptix: common questions
Is NutriPeptix legit?
We rate lab records, not businesses. Limited lab record: 4 independent tests, 1 of 3 lots filled to label, median purity 99.75%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do NutriPeptix reviews say?
We don't hold scored customer reviews for NutriPeptix yet. The independent lab results on this page are the evidence we have.
Which NutriPeptix peptides tested best?
We have graded 1 NutriPeptix product. Retatrutide graded D or E.
Is there a NutriPeptix coupon code?
We don't have a verified NutriPeptix coupon code. A discount changes the price, not what is in the vial.
Ordering from NutriPeptix?
Limited lab record: 4 independent tests, 1 of 3 lots filled to label, median purity 99.75%, 1 of 1 product graded D or E.