Cannabis Lab Testing Fraud: How Fake COAs, Potency Inflation, and Corrupt Labs Are Poisoning the Legal Market
Nearly half of all licensed cannabis products on dispensary shelves carry THC labels that are wrong by more than 20%. A 2026 study found that 48% of licensed cannabis products deviated by more than 20% from their labeled THC concentration. A peer-reviewed PLOS One study of Colorado dispensary samples found average observed THC potency was [...]



