Modern Aminos vs Southern Aminos
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- Modern Aminos
- 7.88/10
Modern Aminos
- Southern Aminos
- 8.09/10
Southern Aminos
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Factor by factor
- 8.7Lab Credibilityweight 55%9.0
- 7.0Shipping & Refundweight 20%7.5
- 7.8Pricingweight 15%8.5
- 4.9Operating Historyweight 5%2.3
- 5.5Transparencyweight 5%5.0
- 32Certificates confirmed at the lab28
- 3Labs named on certificates2
Show as a table
| Category | Modern Aminos | Southern Aminos |
|---|---|---|
| Lab Credibility | 8.7 | 9.0 |
| Shipping & Refund | 7.0 | 7.5 |
| Pricing | 7.8 | 8.5 |
| Operating History | 4.9 | 2.3 |
| Transparency | 5.5 | 5.0 |
| Overall | 7.88 | 8.09 |
Products both carry, price for price
| Peptide | Modern Aminosper unit | Southern Aminosper unit |
|---|---|---|
| BPC-157Guide → | $5.40/mg | $3.84/mg |
| TB-500Guide → | $5.90/mg | $4.80/mg |
| GHK-CuGuide → | $0.64/mg | $0.40/mg |
| CJC-1295Guide → | $10.40/mg | $6.40/mg |
| IpamorelinGuide → | $6.40/mg | $4.80/mg |
| Semax | $4.20/mg | $3.52/mg |
| Selank | $4.50/mg | $3.52/mg |
| Melanotan-2 | $3.80/mg | $4.16/mg |
| Tesamorelin | $7.10/mg | $3.96/mg |
| NAD+ | $0.10/mg | $0.08/mg |
| MOTS-c | $2.60/mg | $1.98/mg |
| KPV | $3.90/mg | $4.00/mg |
| PT-141 | $4.10/mg | $4.40/mg |
| AOD-9604 | $7.80/mg | $8.80/mg |
| 5-Amino-1MQ | $1.98/mg | $1.60/mg |
| IGF-1 LR3 | $64.00/mg | $60.00/mg |
| Cagrilintide | $9.90/mg | $11.92/mg |
| ARA-290 | $5.10/mg | $5.28/mg |
How they compare: the verdict
Southern Aminos takes this matchup by a razor-thin margin, 8.09 to 7.88 on the published formula. Its biggest edge is pricing, where it scores 8.5 against Modern Aminos's 7.8.
It isn't a clean sweep. Modern Aminos actually edges ahead on operating history (4.9 vs 2.3), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, both Modern Aminos and Southern Aminos have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 18 peptides both carry, Southern Aminos is cheaper per unit more often (Modern Aminos wins on 6, Southern Aminos on 12). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Modern Aminos vs Southern Aminos: FAQ
Modern Aminos or Southern Aminos: which is better?
Southern Aminos takes this matchup by a razor-thin margin, 8.09 to 7.88 on the published formula. Its biggest edge is pricing, where it scores 8.5 against Modern Aminos's 7.8. It isn't a clean sweep. Modern Aminos actually edges ahead on operating history (4.9 vs 2.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Modern Aminos and Southern Aminos have independently verified third-party COAs, so the gap comes down to the other categories. Across the 18 peptides both carry, Southern Aminos is cheaper per unit more often (Modern Aminos wins on 6, Southern Aminos on 12). 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 Southern Aminos both use third-party testing?
Modern Aminos: independently verified third-party COAs. Southern Aminos: 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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