PepAssess

Great Northern Peptides DSIP

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

As of October 10, 2026, Great Northern Peptides lists DSIP in 15 mg. It publishes 1 DSIP lab report; 1 is confirmed in the issuing lab's own records, the newest dated July 24, 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 DSIP at Great Northern Peptides ↗

DSIP lab reports confirmed by the issuing lab

DSIP price at Great Northern Peptides

From
—
Best per mg
—
Typical per mg
$6.00/mg
Sizes
15 mg

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

Other DSIP sellers with lab-confirmed reports

ShopScorePer mgvs typicalCode discountCode
Licensed Peptides95————Coupon codes
BioLongevity Labs93$1186% above15%Shop ↗
PeakForm Peptides90$3.6739% below——Coupon codes
Hydro Research Peptides90$9.0050% above20%Shop ↗
Direct Peptides89$4.9018% below——Coupon codes
Panda Peptides88————Coupon codes

Great Northern Peptides DSIP questions

Is Great Northern Peptides's DSIP lab tested?

Yes. As of October 10, 2026, Great Northern Peptides publishes 1 DSIP lab report, and PepAssess matched 1 to the issuing lab's own records (Freedom Diagnostics). The newest confirmed report is dated July 24, 2026.

Is there a Great Northern Peptides coupon code for DSIP?

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

Who else sells lab-tested DSIP?

As of October 10, 2026, the highest-scoring DSIP sellers with a lab-confirmed report, besides Great Northern Peptides: Licensed Peptides (95/100, 1 confirmed), BioLongevity Labs (93/100, 5 confirmed) and PeakForm Peptides (90/100, 2 confirmed).