Head-to-head · 2026 audit

Ameano Peptides vs Zeptix Labs

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

Ameano Peptides
7.80/10

Ameano 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.

Factor by factor

Ameano PeptidesFactorZeptix Labs
  • 8.3Lab Credibilityweight 55%8.2
  • 8.0Shipping & Refundweight 20%10.0
  • 7.9Pricingweight 15%8.8
  • 2.9Operating Historyweight 5%1.3
  • 6.0Transparencyweight 5%5.5
  • 28Certificates confirmed at the lab18
  • 1Labs named on certificates2
Show as a table
Ameano Peptides vs Zeptix Labs score breakdown by category
CategoryAmeano PeptidesZeptix Labs
Lab Credibility8.38.2
Shipping & Refund8.010.0
Pricing7.98.8
Operating History2.91.3
Transparency6.05.5
Overall7.808.17

Products both carry, price for price

Price per unit (mg unless marked) for products both Ameano Peptides and Zeptix Labs carry
PeptideAmeano Peptidesper unitZeptix Labsper unit
BPC-157Guide →$4.40/mg$3.00/mg
TB-500Guide →$7.50/mg$9.50/mg
GHK-CuGuide →$0.53/mg$0.40/mg
IpamorelinGuide →$4.40/mg$6.00/mg
Melanotan-2$4.40/mg$5.00/mg
Sermorelin$8.80/mg$7.00/mg
Tesamorelin$6.80/mg$5.00/mg
RetatrutideGuide →$4.33/mg$2.67/mg
TirzepatideGuide →$1.93/mg$3.67/mg
SemaglutideGuide →$5.80/mg$7.00/mg
GLOW$1.26/mg$1.71/mg
KLOW$1.23/mg$0.81/mg

How they compare: the verdict

Zeptix Labs takes this matchup by a razor-thin margin, 8.17 to 7.80 on the published formula. Its biggest edge is shipping & refunds, where it scores 10.0 against Ameano Peptides's 8.0.

It isn't a clean sweep. Ameano Peptides actually edges ahead on operating history (2.9 vs 1.3), so if that factor matters most to you it's worth weighing.

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

Across the 12 peptides both carry, pricing is evenly split (Ameano Peptides 6, Zeptix Labs 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.

Ameano Peptides vs Zeptix Labs: FAQ

Ameano Peptides or Zeptix Labs: which is better?

Zeptix Labs takes this matchup by a razor-thin margin, 8.17 to 7.80 on the published formula. Its biggest edge is shipping & refunds, where it scores 10.0 against Ameano Peptides's 8.0. It isn't a clean sweep. Ameano Peptides actually edges ahead on operating history (2.9 vs 1.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Ameano Peptides and Zeptix Labs have independently verified third-party COAs, so the gap comes down to the other categories. Across the 12 peptides both carry, pricing is evenly split (Ameano Peptides 6, Zeptix Labs 6). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

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

Ameano 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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