Peptix USA vs Simple Peptide
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- Peptix USA
- 8.26/10
Peptix USA
- Simple Peptide
- 8.32/10
Simple Peptide
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Factor by factor
- 8.7Lab Credibilityweight 55%8.6
- 9.0Shipping & Refundweight 20%8.5
- 8.9Pricingweight 15%7.5
- 1.3Operating Historyweight 5%7.2
- 5.5Transparencyweight 5%8.0
- 5Certificates confirmed at the lab44
- 2Labs named on certificates1
Show as a table
| Category | Peptix USA | Simple Peptide |
|---|---|---|
| Lab Credibility | 8.7 | 8.6 |
| Shipping & Refund | 9.0 | 8.5 |
| Pricing | 8.9 | 7.5 |
| Operating History | 1.3 | 7.2 |
| Transparency | 5.5 | 8.0 |
| Overall | 8.26 | 8.32 |
Products both carry, price for price
| Peptide | Peptix USAper unit | Simple Peptideper unit |
|---|---|---|
| BPC-157Guide → | $4.00/mg | $4.25/mg |
| GLOW | $1.21/mg | $1.64/mg |
| RetatrutideGuide → | $5.90/mg | $6.55/mg |
| Tesamorelin | $6.20/mg | $7.50/mg |
| TirzepatideGuide → | $2.90/mg | $2.44/mg |
How they compare: the verdict
Simple Peptide takes this matchup by a razor-thin margin, 8.32 to 8.26 on the published formula. Its biggest edge is operating history, where it scores 7.2 against Peptix USA's 1.3.
It isn't a clean sweep. Peptix USA actually edges ahead on pricing (8.9 vs 7.5), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, both Peptix USA and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 5 peptides both carry, Peptix USA is cheaper per unit more often (Peptix USA wins on 4, Simple Peptide on 1). 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.
Peptix USA vs Simple Peptide: FAQ
Peptix USA or Simple Peptide: which is better?
Simple Peptide takes this matchup by a razor-thin margin, 8.32 to 8.26 on the published formula. Its biggest edge is operating history, where it scores 7.2 against Peptix USA's 1.3. It isn't a clean sweep. Peptix USA actually edges ahead on pricing (8.9 vs 7.5), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Peptix USA and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories. Across the 5 peptides both carry, Peptix USA is cheaper per unit more often (Peptix USA wins on 4, Simple Peptide on 1). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do Peptix USA and Simple Peptide both use third-party testing?
Peptix USA: independently verified third-party COAs. Simple Peptide: 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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