Peptide Boost Labs reviews
Peptide Boost Labs reviews: 3 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Peptide Boost Labs legit? Lab record: Limited
How we rate- 3 independent tests
- 0 of 2 lots filled to label
- Median purity 90.45%
- 1 of 1 product graded D or E
Some of Peptide Boost Labs's products graded D or E. The shops below tested A or B for the same peptides.
Better-tested Retatrutide
Peptide Boost Labs 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 Peptide Boost Labs 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
Peptide Boost Labs: grade EPeptide Boost Labs 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 Boost Labs' site.
- RetatrutideEBAD
- Tests
- 3
- Passed
- 33.3%
What the testing shows
Across 2 measured samples from Peptide Boost Labs, 2 came in more than 5% under the quantity on the label (100%). Purity across 2 readings ran from 81% to 99.9%, median 90.45%. Samples span May 2026 to Sep 2026.
- Under label
- 2/2
- Median purity
- 90.45%
- Latest sample
- Sep 2026
more than 5% short
81%–99.9% range
first tested May 2026
Our read on Peptide Boost Labs
1 of Peptide Boost Labs' 3 graded samples passed (33%), and 100% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was the lab could not confirm it was the labelled peptide (1 time).
When and how Peptide Boost Labs was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Harrens Lab (1), BTLabs (1), Krause Analytical (1)
- Who sent the samples
- buyers 100%
- Batches covered
- 2 distinct batch numbers
Why Peptide Boost Labs' failed samples failed
The 2 most recent failed tests, with the lab's reason.
Retatrutide · Sep 25, 2026
the lab could not confirm it was the labelled peptide
Retatrutide · Jun 16, 2026
purity under 99.5%
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
9/25/2026
Purity
—
Quantity
—
Lab
Harrens Lab
Vial
White label / Silver crimp / Blue cap
Date
6/16/2026
Purity
81%
Quantity
5 mg → 3.4 mg
Lab
BTLabs
Vial
No label / Silver crimp / Blue cap
Date
5/20/2026
Purity
99.9%
Quantity
30 mg → 27.9 mg
Lab
Krause Analytical
Vial
No label / Silver crimp / Blue cap
Which Peptide Boost Labs products tested best
Retatrutide graded D or E: a large share of its samples missed purity or quantity thresholds.
Buying from Peptide Boost Labs
We don't track Peptide Boost Labs' prices yet. Shipping, payment and refund terms are on their site.
The official store is peptideboostlab.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 Peptide Boost Labs
Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.
Peptide Boost Labs: common questions
Is Peptide Boost Labs legit?
We rate lab records, not businesses. Limited lab record: 3 independent tests, 0 of 2 lots filled to label, median purity 90.45%, 1 of 1 product graded D or E. Each result links to its original certificate in the table above.
What do Peptide Boost Labs reviews say?
We don't hold scored customer reviews for Peptide Boost Labs yet. The independent lab results on this page are the evidence we have.
Which Peptide Boost Labs peptides tested best?
We have graded 1 Peptide Boost Labs product. Retatrutide graded D or E.
Is there a Peptide Boost Labs coupon code?
We don't have a verified Peptide Boost Labs coupon code. A discount changes the price, not what is in the vial.
Ordering from Peptide Boost Labs?
Limited lab record: 3 independent tests, 0 of 2 lots filled to label, median purity 90.45%, 1 of 1 product graded D or E.