Modern Aminos vs Simple Peptide
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- Modern Aminos
- 7.84/10
Modern Aminos
- Simple Peptide
- 8.32/10
Simple Peptide
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Factor by factor
- 8.6Lab Credibilityweight 55%8.6
- 7.0Shipping & Refundweight 20%8.5
- 7.9Pricingweight 15%7.5
- 4.9Operating Historyweight 5%7.2
- 5.5Transparencyweight 5%8.0
- 43Certificates confirmed at the lab44
- 3Labs named on certificates1
Show as a table
| Category | Modern Aminos | Simple Peptide |
|---|---|---|
| Lab Credibility | 8.6 | 8.6 |
| Shipping & Refund | 7.0 | 8.5 |
| Pricing | 7.9 | 7.5 |
| Operating History | 4.9 | 7.2 |
| Transparency | 5.5 | 8.0 |
| Overall | 7.84 | 8.32 |
Products both carry, price for price
| Peptide | Modern Aminosper unit | Simple Peptideper unit |
|---|---|---|
| BPC-157Guide → | $5.40/mg | $4.25/mg |
| TB-500Guide → | $5.90/mg | $6.50/mg |
| GHK-CuGuide → | $0.64/mg | $0.55/mg |
| CJC-1295Guide → | $10.40/mg | $7.00/mg |
| IpamorelinGuide → | $6.40/mg | $6.50/mg |
| Semax | $4.20/mg | $5.50/mg |
| Selank | $4.50/mg | $5.50/mg |
| Melanotan-2 | $3.80/mg | $3.80/mg |
| Sermorelin | $7.40/mg | $7.90/mg |
| Tesamorelin | $7.10/mg | $7.50/mg |
| NAD+ | $0.10/mg | $0.10/mg |
| MOTS-c | $2.60/mg | $2.85/mg |
| KPV | $3.90/mg | $4.50/mg |
| Epitalon | $2.18/mg | $3.30/mg |
| PT-141 | $4.10/mg | $4.50/mg |
| AOD-9604 | $7.80/mg | $8.00/mg |
| 5-Amino-1MQ | $1.98/mg | $1.50/mg |
| IGF-1 LR3 | $64.00/mg | $60.00/mg |
| HGH Fragment 176-191 | $8.80/mg | $10.00/mg |
| Cagrilintide | $9.90/mg | $14.00/mg |
| CJC-1295 + Ipamorelin | $5.20/mg | $6.50/mg |
| ARA-290 | $5.10/mg | $7.60/mg |
| Dihexa | $18.80/mg | — |
| Tesofensine | — | — |
| P-21 | $9.80/mg | $19.80/mg |
| Pinealon | $3.05/mg | $5.00/mg |
| Kisspeptin-10 | $4.90/mg | $4.50/mg |
| Glutathione | $0.08/mg | $0.05/mg |
| GLOW | $1.41/mg | $1.64/mg |
| KLOW | $1.43/mg | $1.75/mg |
| Thymosin Alpha-1 | $7.70/mg | $8.60/mg |
| Oxytocin | $3.60/mg | $4.50/mg |
| LL-37 | $9.40/mg | $5.40/mg |
| DSIP | $4.90/mg | $7.00/mg |
How they compare: the verdict
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.84 on the published formula. Its biggest edge is transparency, where it scores 8.0 against Modern Aminos's 5.5.
It isn't a clean sweep. Modern Aminos 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 Modern Aminos and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 32 peptides both carry, Modern Aminos is cheaper per unit more often (Modern Aminos wins on 22, Simple Peptide on 9). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Modern Aminos vs Simple Peptide: FAQ
Modern Aminos or Simple Peptide: which is better?
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.84 on the published formula. Its biggest edge is transparency, where it scores 8.0 against Modern Aminos's 5.5. It isn't a clean sweep. Modern Aminos 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 Modern Aminos and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories. Across the 32 peptides both carry, Modern Aminos is cheaper per unit more often (Modern Aminos wins on 22, Simple Peptide on 9). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do Modern Aminos and Simple Peptide both use third-party testing?
Modern Aminos: 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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