Head-to-head · 2026 audit

Ascension Peptides vs Southern Aminos

Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.

Ascension Peptides
7.55/10

Ascension Peptides

Southern Aminos
8.09/10

Southern Aminos

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

Higher score · 0.54 ahead

Southern Aminos

8.09 /10

Strong

Factor by factor

Ascension PeptidesFactorSouthern Aminos
  • 9.1Lab Credibilityweight 55%9.0
  • 6.0Shipping & Refundweight 20%7.5
  • 6.6Pricingweight 15%8.5
  • 4.1Operating Historyweight 5%2.3
  • 3.0Transparencyweight 5%5.0
  • 29Certificates confirmed at the lab28
  • 2Labs named on certificates2
Show as a table
Ascension Peptides vs Southern Aminos score breakdown by category
CategoryAscension PeptidesSouthern Aminos
Lab Credibility9.19.0
Shipping & Refund6.07.5
Pricing6.68.5
Operating History4.12.3
Transparency3.05.0
Overall7.558.09

Products both carry, price for price

Price per unit (mg unless marked) for products both Ascension Peptides and Southern Aminos carry
PeptideAscension Peptidesper unitSouthern Aminosper unit
BPC-157Guide →$4.90/mg$3.84/mg
TB-500Guide →$10.80/mg$4.80/mg
GHK-CuGuide →$0.59/mg$0.40/mg
CJC-1295Guide →$9.00/mg$6.40/mg
IpamorelinGuide →$10.00/mg$4.80/mg
Semax$5.00/mg$3.52/mg
Selank$5.00/mg$3.52/mg
Melanotan-2$5.00/mg$4.16/mg
Tesamorelin$10.00/mg$3.96/mg
NAD+$0.10/mg$0.08/mg
MOTS-c$6.20/mg$1.98/mg
PT-141$4.90/mg$4.40/mg
AOD-9604$11.00/mg$8.80/mg
5-Amino-1MQ$5.20/mg$1.60/mg
Thymosin Alpha-1$7.10/mg$6.00/mg
DSIP$6.00/mg$7.20/mg
Kisspeptin-10$6.00/mg$3.60/mg
LL-37$7.80/mg$6.67/mg
SS-31$8.00/mg$5.52/mg
Melanotan-1$5.00/mg$4.16/mg
GLOW$1.57/mg$1.13/mg
KLOW$1.50/mg$1.20/mg
ARA-290$6.00/mg$5.28/mg
BPC-157 + TB-500$4.50/mg$3.96/mg

How they compare: the verdict

Southern Aminos takes this matchup by a clear margin, 8.09 to 7.55 on the published formula. Its biggest edge is transparency, where it scores 5.0 against Ascension Peptides's 3.0.

It isn't a clean sweep. Ascension Peptides actually edges ahead on operating history (4.1 vs 2.3), so if that factor matters most to you it's worth weighing.

On lab evidence, the heaviest-weighted factor, both Ascension Peptides and Southern Aminos have independently verified third-party COAs, so the gap comes down to the other categories.

Across the 24 peptides both carry, Southern Aminos is cheaper per unit more often (Ascension Peptides wins on 1, Southern Aminos on 23). 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.

Ascension Peptides vs Southern Aminos: FAQ

Ascension Peptides or Southern Aminos: which is better?

Southern Aminos takes this matchup by a clear margin, 8.09 to 7.55 on the published formula. Its biggest edge is transparency, where it scores 5.0 against Ascension Peptides's 3.0. It isn't a clean sweep. Ascension Peptides actually edges ahead on operating history (4.1 vs 2.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Ascension Peptides and Southern Aminos have independently verified third-party COAs, so the gap comes down to the other categories. Across the 24 peptides both carry, Southern Aminos is cheaper per unit more often (Ascension Peptides wins on 1, Southern Aminos on 23). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Do Ascension Peptides and Southern Aminos both use third-party testing?

Ascension Peptides: 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.

More comparisons

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