Head-to-head · 2026 audit

BioLongevity Labs vs BulkGLP

Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.

BioLongevity Labs
7.24/10

BioLongevity Labs

BulkGLP
6.49/10

BulkGLP

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

 

BulkGLP

6.49 /10

Fair

Factor by factor

BioLongevity LabsFactorBulkGLP
  • 8.1Lab Credibilityweight 55%7.5
  • 7.5Shipping & Refundweight 20%6.5
  • 3.3Pricingweight 15%4.7
  • 9.3Operating Historyweight 5%2.6
  • 6.5Transparencyweight 5%4.5
  • 25Certificates confirmed at the lab12
  • 3Labs named on certificates1
Show as a table
BioLongevity Labs vs BulkGLP score breakdown by category
CategoryBioLongevity LabsBulkGLP
Lab Credibility8.17.5
Shipping & Refund7.56.5
Pricing3.34.7
Operating History9.32.6
Transparency6.54.5
Overall7.246.49

Products both carry, price for price

Price per unit (mg unless marked) for products both BioLongevity Labs and BulkGLP carry
PeptideBioLongevity Labsper unitBulkGLPper unit
BPC-157Guide →$10.00/mg$7.00/mg
TB-500Guide →$16.50/mg$8.40/mg
Semax$3.25/mg$5.50/mg
Selank$6.75/mg$5.50/mg
NAD+$0.50/mg$0.20/mg
MOTS-c$11.00/mg$5.00/mg
KPV$10.00/mg$7.00/mg
ARA-290$6.33/mg$8.00/mg
BPC-157 + TB-500$12.00/mg—

How they compare: the verdict

BioLongevity Labs takes this matchup by a clear margin, 7.24 to 6.49 on the published formula. Its biggest edge is operating history, where it scores 9.3 against BulkGLP's 2.6.

It isn't a clean sweep. BulkGLP actually edges ahead on pricing (4.7 vs 3.3), so if that factor matters most to you it's worth weighing.

On lab evidence, the heaviest-weighted factor, both BioLongevity Labs and BulkGLP have independently verified third-party COAs, so the gap comes down to the other categories.

Across the 8 peptides both carry, BulkGLP is cheaper per unit more often (BioLongevity Labs wins on 2, BulkGLP on 6). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

BioLongevity Labs vs BulkGLP: FAQ

BioLongevity Labs or BulkGLP: which is better?

BioLongevity Labs takes this matchup by a clear margin, 7.24 to 6.49 on the published formula. Its biggest edge is operating history, where it scores 9.3 against BulkGLP's 2.6. It isn't a clean sweep. BulkGLP actually edges ahead on pricing (4.7 vs 3.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both BioLongevity Labs and BulkGLP have independently verified third-party COAs, so the gap comes down to the other categories. Across the 8 peptides both carry, BulkGLP is cheaper per unit more often (BioLongevity Labs wins on 2, BulkGLP on 6). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Do BioLongevity Labs and BulkGLP both use third-party testing?

BioLongevity Labs: independently verified third-party COAs. BulkGLP: independently verified third-party COAs.

How was this comparison scored?

Both vendors are scored on the identical published formula: lab credibility 55%, shipping 20%, pricing 15%, operating history 5%, transparency 5%. When third-party testing cannot be independently verified, a testing gate holds the score under a cap that starts at 6.0 and rises by at most 2.5 points for operating history, shipping and reviews. Neither vendor can pay to change a score.

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