PepAssess

Peptide S P21

Evidence Score 77/100 · 1 of 3 P21 lab reports confirmed by the issuing lab

As of October 2, 2026, Peptide S lists P21 in 5, 10 mg from $60. Its best price works out to $12/mg, 47% below the typical $22/mg for P21. It publishes 3 P21 lab reports; 1 is confirmed in the issuing lab's own records, the newest dated June 28, 2026. Its confirmed reports cover both purity and toxicity (endotoxin or sterility) testing.

P21 lab reports confirmed by the issuing lab

2 more P21 reports published by Peptide S aren't matched to a lab's records yet.

P21 price at Peptide S

From
$60
Best per mg
$12/mg
Typical per mg
$22/mg
Sizes
5, 10 mg

From Peptide S's own store, as of October 2, 2026; shipping and discounts not included.

Other P21 sellers with lab-confirmed reports

Peptide S P21 questions

Is Peptide S's P21 lab tested?

Yes. As of October 2, 2026, Peptide S publishes 3 P21 lab reports, and PepAssess matched 1 to the issuing lab's own records (Kovera). The newest confirmed report is dated June 28, 2026.

How much is P21 at Peptide S?

From $60 (5, 10 mg); its best price works out to $12/mg against a typical $22/mg, as of October 2, 2026. Prices come from Peptide S's own store and exclude shipping and discounts.

Is there a Peptide S coupon code for P21?

PepAssess has no confirmed Peptide S code as of October 2, 2026.

Who else sells lab-tested P21?

As of October 2, 2026, the highest-scoring P21 sellers with a lab-confirmed report, besides Peptide S: Protide Health (85/100, 4 confirmed).