Code WINTER: 20% off everything, 25% off GLPs at · Purgo Labs

Related brand · disclosed

Vendor dossier

Northbound Research

Batch IDs near titles; Midwest shipping language

ClearUnited StatesLast reviewed 2026-11-05

Northbound Research fits buyers who want batch identifiers without nested PDF hunts.

Testing notes

COA links appear on many SKUs; buyers still match lot strings themselves.

Shipping

US ground and expedited options listed; cold-pack claims vary by season

Payments

Cards plus alternate rails; crypto sometimes offered as secondary

Visit vendor site

← All dossiers · OpenFile on Northbound Research · Desk shortlist · OpenFile method