
Potency testing on store-bought cannabis flower by a Canadian laboratory has found THC levels significantly lower than the labeled value, sparking an industrywide conversation about how to address inaccurate THC claims. Rob O’Brien, CEO and chief science officer of Kelowna, British Columbia-based licensed cannabis testing laboratory Supra Research and Development, shared the findings from his Canadian potency tests online. O’Brien tested 46 different cannabis flower products, grown by 21 producers, in a variety of package sizes purchased from several different stores in… Read more.