Lab Rat Peptide reviews
Lab Rat Peptide reviews: 2 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Lab Rat Peptide legit? Lab record: Limited
How we rate- 2 independent tests
- 2 of 2 lots filled to label
- Median purity 99.51%
- 1 of 1 product graded D or E
Some of Lab Rat Peptide's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Lab Rat Peptide 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 Lab Rat Peptide 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
Lab Rat Peptide: grade ELab Rat Peptide 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 Lab Rat Peptide's site.
- RetatrutideEBAD
- Tests
- 2
- Passed
- 50.0%
What the testing shows
Across 2 measured samples from Lab Rat Peptide, 0 came in more than 5% under the quantity on the label (0%). Another 1 measured more than 5% over. Purity across 2 readings ran from 99.32% to 99.7%, median 99.51%. Samples span Jan 2026 to Aug 2026.
- Under label
- 0/2
- Median purity
- 99.51%
- Latest sample
- Aug 2026
- Ships from
- United States
more than 5% short
99.32%–99.7% range
first tested Jan 2026
per vendor listing
Our read on Lab Rat Peptide
1 of Lab Rat Peptide's 2 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 purity under 99.5% (1 time).
When and how Lab Rat Peptide was tested
Samples per month. The darker part of each bar failed.
- Labs used
- BTLabs (1), Krause Analytical (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 2 distinct batch numbers
Why Lab Rat Peptide's failed samples failed
The only failed test, with the lab's reason.
Retatrutide · Jan 7, 2026
purity under 99.5%
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
8/18/2026
Purity
99.7%
Quantity
10 mg → 10.6 mg
Lab
BTLabs
Vial
White label / Silver crimp / Black cap
Date
1/7/2026
Purity
99.32%
Quantity
30 mg → 29.9 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Violet Cap
Which Lab Rat Peptide products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Lab Rat Peptide
We don't track Lab Rat Peptide's prices yet. Shipping, payment and refund terms are on their site.
The official store is labratpeptides.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 Lab Rat Peptide
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Lab Rat Peptide: common questions
Is Lab Rat Peptide legit?
We rate lab records, not businesses. Limited lab record: 2 independent tests, 2 of 2 lots filled to label, median purity 99.51%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Lab Rat Peptide reviews say?
We don't hold scored customer reviews for Lab Rat Peptide yet. The independent lab results on this page are the evidence we have.
Which Lab Rat Peptide peptides tested best?
We have graded 1 Lab Rat Peptide product. Retatrutide graded D or E.
Is there a Lab Rat Peptide coupon code?
We don't have a verified Lab Rat Peptide coupon code. A discount changes the price, not what is in the vial.
Where does Lab Rat Peptide ship from?
Public listings place Lab Rat Peptide's shipping origin in United States. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Lab Rat Peptide?
Limited lab record: 2 independent tests, 2 of 2 lots filled to label, median purity 99.51%, 1 of 1 product graded D or E.