Great Basin Bio Supply reviews
Great Basin Bio Supply reviews: 2 independent lab tests across 1 product, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Great Basin Bio Supply legit? Lab record: Limited
How we rate- 2 independent tests
- 0 of 2 lots filled to label
- Median purity 99.9%
- Its tested product graded C or better
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Vendor website
Visit Great Basin Bio Supply
2 independent COAs · not paid-to-rank · 2 of 2 lots under label
Visit Great Basin Bio SupplyOpens the vendor site. No partner discount on this shop.
Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Great Basin Bio Supply 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 Great Basin Bio Supply's site.
- BPC-157AGREAT
- Tests
- 2
- Passed
- 100.0%
What the testing shows
Across 2 measured samples from Great Basin Bio Supply, 2 came in more than 5% under the quantity on the label (100%). Purity across 2 readings ran from 99.9% to 99.9%, median 99.9%. Samples span Mar 2026 to Mar 2026.
- Under label
- 2/2
- Median purity
- 99.9%
- Latest sample
- Mar 2026
more than 5% short
99.9%–99.9% range
first tested Mar 2026
Our read on Great Basin Bio Supply
2 of Great Basin Bio Supply's 2 graded samples passed (100%), and 0% of all samples were sent in by buyers rather than by the shop.
Lab testing results
Independent results across 1 product.
Individual lab tests
Date
3/16/2026
Purity
99.9%
Quantity
5 mg → 4.39 mg
Lab
Krause Analytical
Vial
Silver Label / Silver Crimp / Yellow Cap
Date
3/16/2026
Purity
99.9%
Quantity
5 mg → 4.61 mg
Lab
Krause Analytical
Vial
Silver Label / Silver Crimp / Yellow Cap
Which Great Basin Bio Supply products tested best
BPC-157 has the strongest record, graded A or B.
Buying from Great Basin Bio Supply
If you order from Great Basin Bio Supply, start with the graded products in the table: each one links straight to the shop.
We don't track Great Basin Bio Supply's prices yet. Shipping, payment and refund terms are on their site.
The official store is greatbasinbiosupply.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 Great Basin Bio Supply
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Great Basin Bio Supply: common questions
Is Great Basin Bio Supply legit?
We rate lab records, not businesses. Limited lab record: 2 independent tests, 0 of 2 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 Great Basin Bio Supply reviews say?
We don't hold scored customer reviews for Great Basin Bio Supply yet. The independent lab results on this page are the evidence we have.
Which Great Basin Bio Supply peptides tested best?
We have graded 1 Great Basin Bio Supply product. BPC-157 graded A or B.
Is there a Great Basin Bio Supply coupon code?
We don't have a verified Great Basin Bio Supply coupon code. A discount changes the price, not what is in the vial.
Ordering from Great Basin Bio Supply?
Limited lab record: 2 independent tests, 0 of 2 lots filled to label, median purity 99.9%, its tested product graded C or better.