Protide Health vs Zeptix Labs
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- Protide Health
- 7.67/10
Protide Health
- Zeptix Labs
- 8.17/10
Zeptix Labs
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Factor by factor
- 9.1Lab Credibilityweight 55%8.2
- 7.0Shipping & Refundweight 20%10.0
- 5.4Pricingweight 15%8.8
- 3.0Operating Historyweight 5%1.3
- 6.0Transparencyweight 5%5.5
- 22Certificates confirmed at the lab18
- 1Labs named on certificates2
Show as a table
| Category | Protide Health | Zeptix Labs |
|---|---|---|
| Lab Credibility | 9.1 | 8.2 |
| Shipping & Refund | 7.0 | 10.0 |
| Pricing | 5.4 | 8.8 |
| Operating History | 3.0 | 1.3 |
| Transparency | 6.0 | 5.5 |
| Overall | 7.67 | 8.17 |
Products both carry, price for price
| Peptide | Protide Healthper unit | Zeptix Labsper unit |
|---|---|---|
| BPC-157Guide → | $4.88/mg | $3.00/mg |
| TB-500Guide → | $8.50/mg | $9.50/mg |
| GHK-CuGuide → | $0.65/mg | $0.40/mg |
| IpamorelinGuide → | $7.50/mg | $6.00/mg |
| Melanotan-2 | $4.00/mg | $5.00/mg |
| Sermorelin | $10.50/mg | $7.00/mg |
| Tesamorelin | $7.00/mg | $5.00/mg |
| RetatrutideGuide → | $5.50/mg | $2.67/mg |
| TirzepatideGuide → | $6.67/mg | $3.67/mg |
| PT-141 | $5.50/mg | $4.50/mg |
| Cagrilintide | $15.50/mg | $10.00/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 pricing, where it scores 8.8 against Protide Health's 5.4.
It isn't a clean sweep. Protide Health actually edges ahead on operating history (3.0 vs 1.3), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, both Protide Health and Zeptix Labs have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 11 peptides both carry, Zeptix Labs is cheaper per unit more often (Protide Health wins on 2, Zeptix Labs on 9). 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.
Protide Health vs Zeptix Labs: FAQ
Protide Health 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 pricing, where it scores 8.8 against Protide Health's 5.4. It isn't a clean sweep. Protide Health actually edges ahead on operating history (3.0 vs 1.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Protide Health and Zeptix Labs have independently verified third-party COAs, so the gap comes down to the other categories. Across the 11 peptides both carry, Zeptix Labs is cheaper per unit more often (Protide Health wins on 2, Zeptix Labs on 9). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do Protide Health and Zeptix Labs both use third-party testing?
Protide Health: 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.
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