Head-to-head · 2026 audit

Mizan Supply vs Prime Peptides

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

Mizan Supply
7.83/10

Mizan Supply

Prime Peptides
7.94/10

Prime Peptides

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Mizan Supply

7.83 /10

Strong

Higher score · 0.11 ahead

Prime Peptides

7.94 /10

Strong

Factor by factor

Mizan SupplyFactorPrime Peptides
  • 8.2Lab Credibilityweight 55%8.6
  • 8.0Shipping & Refundweight 20%9.0
  • 8.9Pricingweight 15%6.3
  • 0.7Operating Historyweight 5%3.8
  • 7.0Transparencyweight 5%5.5
  • 18Certificates confirmed at the lab20
  • 2Labs named on certificates5
Show as a table
Mizan Supply vs Prime Peptides score breakdown by category
CategoryMizan SupplyPrime Peptides
Lab Credibility8.28.6
Shipping & Refund8.09.0
Pricing8.96.3
Operating History0.73.8
Transparency7.05.5
Overall7.837.94

Products both carry, price for price

Price per unit (mg unless marked) for products both Mizan Supply and Prime Peptides carry
PeptideMizan Supplyper unitPrime Peptidesper unit
BPC-157Guide →$3.50/mg$5.50/mg
BPC-157 + TB-500$3.75/mg$6.25/mg
GHK-CuGuide →$0.45/mg$0.60/mg
KLOW$1.10/mg$1.81/mg
MOTS-c$4.50/mg$6.00/mg
Semax$3.50/mg$4.50/mg
NAD+$0.11/mg$0.14/mg
RetatrutideGuide →$2.90/mg$5.42/mg
Tesamorelin$5.50/mg$8.00/mg
TB-500Guide →$5.50/mg$6.50/mg
TirzepatideGuide →$1.40/mg$4.33/mg
Bacteriostatic Water—$2.50/mL

How they compare: the verdict

Prime Peptides takes this matchup by a razor-thin margin, 7.94 to 7.83 on the published formula. Its biggest edge is operating history, where it scores 3.8 against Mizan Supply's 0.7.

It isn't a clean sweep. Mizan Supply actually edges ahead on pricing (8.9 vs 6.3), so if that factor matters most to you it's worth weighing.

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

Across the 11 peptides both carry, Mizan Supply is cheaper per unit more often (Mizan Supply wins on 11, Prime Peptides on 0). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Mizan Supply vs Prime Peptides: FAQ

Mizan Supply or Prime Peptides: which is better?

Prime Peptides takes this matchup by a razor-thin margin, 7.94 to 7.83 on the published formula. Its biggest edge is operating history, where it scores 3.8 against Mizan Supply's 0.7. It isn't a clean sweep. Mizan Supply actually edges ahead on pricing (8.9 vs 6.3), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both Mizan Supply and Prime Peptides have independently verified third-party COAs, so the gap comes down to the other categories. Across the 11 peptides both carry, Mizan Supply is cheaper per unit more often (Mizan Supply wins on 11, Prime Peptides on 0). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).

Do Mizan Supply and Prime Peptides both use third-party testing?

Mizan Supply: independently verified third-party COAs. Prime Peptides: 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

Other head-to-heads featuring Mizan Supply or Prime Peptides.

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