Head-to-head · 2026 audit

Verified Peptides vs Zeptix Labs

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

Verified Peptides
7.67/10

Verified Peptides

Zeptix Labs
8.17/10

Zeptix Labs

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

 

Verified Peptides

7.67 /10

Strong

Higher score · 0.50 ahead

Zeptix Labs

8.17 /10

StrongShop Zeptix Labs → (opens in new tab)

Factor by factor

Verified PeptidesFactorZeptix Labs
  • 8.2Lab Credibilityweight 55%8.2
  • 7.5Shipping & Refundweight 20%10.0
  • 7.9Pricingweight 15%8.8
  • 7.0Operating Historyweight 5%1.3
  • 2.5Transparencyweight 5%5.5
  • 11Certificates confirmed at the lab18
  • 1Labs named on certificates2
Show as a table
Verified Peptides vs Zeptix Labs score breakdown by category
CategoryVerified PeptidesZeptix Labs
Lab Credibility8.28.2
Shipping & Refund7.510.0
Pricing7.98.8
Operating History7.01.3
Transparency2.55.5
Overall7.678.17

Products both carry, price for price

Price per unit (mg unless marked) for products both Verified Peptides and Zeptix Labs carry
PeptideVerified Peptidesper unitZeptix Labsper unit
BPC-157Guide →$5.30/mg$3.00/mg
TB-500Guide →$6.20/mg$9.50/mg
GHK-CuGuide →$0.50/mg$0.40/mg
IpamorelinGuide →$4.50/mg$6.00/mg
Melanotan-2$3.50/mg$5.00/mg
Tesamorelin$5.95/mg$5.00/mg
PT-141$3.50/mg$4.50/mg

How they compare: the verdict

Zeptix Labs takes this matchup by a clear margin, 8.17 to 7.67 on the published formula. Its biggest edge is transparency, where it scores 5.5 against Verified Peptides's 2.5.

It isn't a clean sweep. Verified Peptides actually edges ahead on operating history (7.0 vs 1.3), so if that factor matters most to you it's worth weighing.

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

Across the 7 peptides both carry, Verified Peptides is cheaper per unit more often (Verified Peptides wins on 4, Zeptix Labs on 3). 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.

Verified Peptides vs Zeptix Labs: FAQ

Verified Peptides or Zeptix Labs: which is better?

Zeptix Labs takes this matchup by a clear margin, 8.17 to 7.67 on the published formula. Its biggest edge is transparency, where it scores 5.5 against Verified Peptides's 2.5. It isn't a clean sweep. Verified Peptides actually edges ahead on operating history (7.0 vs 1.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Verified Peptides and Zeptix Labs have independently verified third-party COAs, so the gap comes down to the other categories. Across the 7 peptides both carry, Verified Peptides is cheaper per unit more often (Verified Peptides wins on 4, Zeptix Labs on 3). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Do Verified Peptides and Zeptix Labs both use third-party testing?

Verified Peptides: independently verified third-party COAs. Zeptix Labs: 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.

More comparisons

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