PepAssess

Great Northern Peptides SS-31

Evidence Score 63/100 · 1 of 1 SS-31 lab reports confirmed by the issuing lab

As of October 10, 2026, Great Northern Peptides lists SS-31 in 50 mg. It publishes 1 SS-31 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 SS-31 at Great Northern Peptides ↗

SS-31 lab reports confirmed by the issuing lab

SS-31 price at Great Northern Peptides

From
—
Best per mg
—
Typical per mg
$5.00/mg
Sizes
50 mg

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

Other SS-31 sellers with lab-confirmed reports

ShopScorePer mgvs typicalCode discountCode
Thrive Peptides95$4.5010% below10%Shop ↗
Licensed Peptides95————Coupon codes
Platinum Lion93$2.8044% below10%Shop ↗
Nextgen Peps91————Shop ↗
Hydro Research Peptides90$3.5030% below20%Shop ↗
Direct Peptides89$6.9038% above——Coupon codes

Great Northern Peptides SS-31 questions

Is Great Northern Peptides's SS-31 lab tested?

Yes. As of October 10, 2026, Great Northern Peptides publishes 1 SS-31 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 SS-31?

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

Who else sells lab-tested SS-31?

As of October 10, 2026, the highest-scoring SS-31 sellers with a lab-confirmed report, besides Great Northern Peptides: Thrive Peptides (95/100, 1 confirmed), Licensed Peptides (95/100, 1 confirmed) and Platinum Lion (93/100, 2 confirmed).