Amino USA vs Simple Peptide
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- Amino USA
- 7.61/10
Amino USA
- Simple Peptide
- 8.32/10
Simple Peptide
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Factor by factor
- 7.8Lab Credibilityweight 55%8.6
- 8.0Shipping & Refundweight 20%8.5
- 7.9Pricingweight 15%7.5
- 4.2Operating Historyweight 5%7.2
- 6.5Transparencyweight 5%8.0
- 48Certificates confirmed at the lab44
- 2Labs named on certificates1
Show as a table
| Category | Amino USA | Simple Peptide |
|---|---|---|
| Lab Credibility | 7.8 | 8.6 |
| Shipping & Refund | 8.0 | 8.5 |
| Pricing | 7.9 | 7.5 |
| Operating History | 4.2 | 7.2 |
| Transparency | 6.5 | 8.0 |
| Overall | 7.61 | 8.32 |
Products both carry, price for price
| Peptide | Amino USAper unit | Simple Peptideper unit |
|---|---|---|
| BPC-157Guide → | $5.67/mg | $4.25/mg |
| TB-500Guide → | $8.00/mg | $6.50/mg |
| GHK-CuGuide → | $0.50/mg | $0.55/mg |
| CJC-1295Guide → | $12.50/mg | $7.00/mg |
| IpamorelinGuide → | $5.00/mg | $6.50/mg |
| Semax | $2.50/mg | $5.50/mg |
| Selank | $5.00/mg | $5.50/mg |
| Melanotan-2 | $3.00/mg | $3.80/mg |
| Sermorelin | $6.67/mg | $7.90/mg |
| Tesamorelin | $9.00/mg | $7.50/mg |
| PT-141 | $4.50/mg | $4.50/mg |
| AOD-9604 | $8.00/mg | $8.00/mg |
| 5-Amino-1MQ | $1.70/mg | $1.50/mg |
| IGF-1 LR3 | $70.00/mg | $60.00/mg |
| HGH Fragment 176-191 | $13.00/mg | $10.00/mg |
| GHRP-2 | $4.00/mg | $3.90/mg |
| GHRP-6 | $3.00/mg | $3.90/mg |
| Cagrilintide | $10.20/mg | $14.00/mg |
| ARA-290 | $5.00/mg | $7.60/mg |
| BPC-157 + TB-500 | $8.25/mg | $3.30/mg |
| CJC-1295 + Ipamorelin | $9.50/mg | $6.50/mg |
| DSIP | $9.00/mg | $7.00/mg |
| Epitalon | $3.00/mg | $3.30/mg |
| Kisspeptin-10 | $10.00/mg | $4.50/mg |
| KPV | $5.50/mg | $4.50/mg |
| LL-37 | $16.00/mg | $5.40/mg |
| Melanotan-1 | $3.00/mg | $4.50/mg |
| MOTS-c | $3.63/mg | $2.85/mg |
| NAD+ | $0.30/mg | $0.10/mg |
| Oxytocin | $7.00/mg | $4.50/mg |
| Pinealon | $2.75/mg | $5.00/mg |
| Thymalin | $2.25/mg | $4.20/mg |
| Thymosin Alpha-1 | $12.00/mg | $8.60/mg |
| VIP | $11.00/mg | $10.40/mg |
How they compare: the verdict
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.61 on the published formula. Its biggest edge is operating history, where it scores 7.2 against Amino USA's 4.2.
It isn't a clean sweep. Amino USA actually edges ahead on pricing (7.9 vs 7.5), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, both Amino USA and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 34 peptides both carry, Simple Peptide is cheaper per unit more often (Amino USA wins on 13, Simple Peptide on 19). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Amino USA vs Simple Peptide: FAQ
Amino USA or Simple Peptide: which is better?
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.61 on the published formula. Its biggest edge is operating history, where it scores 7.2 against Amino USA's 4.2. It isn't a clean sweep. Amino USA actually edges ahead on pricing (7.9 vs 7.5), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Amino USA and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories. Across the 34 peptides both carry, Simple Peptide is cheaper per unit more often (Amino USA wins on 13, Simple Peptide on 19). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do Amino USA and Simple Peptide both use third-party testing?
Amino 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.
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