PepAssess

Great Northern Peptides Semax

Evidence Score 63/100 · 1 of 1 Semax lab reports confirmed by the issuing lab

As of October 10, 2026, Great Northern Peptides lists Semax in 10 mg. It publishes 1 Semax lab report; 1 is confirmed in the issuing lab's own records, the newest dated March 20, 2026. Its confirmed reports cover purity testing (HPLC and mass spec). Code PEPASSESS gives 10% off.

10% off
Use code PEPASSESS at checkout on greatnorthernpeptides.com
Great Northern Peptides coupon codeShop Semax at Great Northern Peptides ↗

Semax lab reports confirmed by the issuing lab

Semax price at Great Northern Peptides

From
—
Best per mg
—
Typical per mg
$4.00/mg
Sizes
10 mg

From Great Northern Peptides's own store, as of October 10, 2026; shipping and discounts not included.

Other Semax sellers with lab-confirmed reports

ShopScorePer mgvs typicalCode discountCode
Solyn100$4.09typical——Coupon codes
Glow Peptides99$5.0025% above10%Shop ↗
Prime Peptides96$4.5012% above——Coupon codes
Thrive Peptides95$3.3317% below10%Shop ↗
Protide Health95$6.0050% above——Coupon codes
BioLongevity Labs93$3.2519% below15%Shop ↗

Great Northern Peptides Semax questions

Is Great Northern Peptides's Semax lab tested?

Yes. As of October 10, 2026, Great Northern Peptides publishes 1 Semax lab report, and PepAssess matched 1 to the issuing lab's own records (Freedom Diagnostics). The newest confirmed report is dated March 20, 2026.

Is there a Great Northern Peptides coupon code for Semax?

Yes: PEPASSESS (10% off), entered at checkout on greatnorthernpeptides.com, as of October 10, 2026.

Who else sells lab-tested Semax?

As of October 10, 2026, the highest-scoring Semax sellers with a lab-confirmed report, besides Great Northern Peptides: Solyn (100/100, 1 confirmed), Glow Peptides (99/100, 1 confirmed) and Prime Peptides (96/100, 1 confirmed).