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Consumers do not understand THC levels in cannabis edibles – Health Europa

Consumers do not understand THC levels in cannabis edibles
© iStock/IRA_EVVA

Few cannabis consumers understand what the THC numbers on packages of cannabis edibles really mean, according to a new study.

The study, which surveyed nearly 1,000 Canadians aged 16 to 30, found that most consumers could not identify whether a cannabis edible contained ‘low’ or ‘high’ levels of THC based on the label.

Conducted by researchers at the University of Waterloo, the study showed that very few cannabis consumers understand what the THC numbers on packages of cannabis edibles really mean, and found that descriptive information, such as symbols and words, are more effective in helping consumers understand THC potency and approximate serving sizes for cannabis products.

The potency of cannabis products

David Hammond, of Waterloo’s School of Public Health and Health Systems, said: “Using THC numbers to express potency of cannabis products has little or no meaning to most young Canadians.

“We’ve known for many years that people struggle to understand the numbers on the back of food packages and cigarette packages. Consumers seem to have equal or even more difficulty with THC numbers, which are used to indicate the potency of cannabis products.

“Effective THC labelling and packaging could help reduce to accidental over-consumption of cannabis edibles and adverse events, which have increased in jurisdictions that have legalised recreational cannabis.”

Health Canada currently requires cannabis packages to list the ingredients, product type, potency and other essential information, including weight in grams, and percentage of THC (or CBD, depending on the product), but not symbols or intuitive labelling on THC levels.

The researchers conducted two experiments with 870 Canadians aged 16-30 in 2017: The first investigated whether consumers could understand how many servings there were in a package, and the second examined if consumers could identify how potent the product was.

The study found approximately 6%of consumers could correctly identify serving size on products that had no label, or only listed the weight. 77% could identify the serving when the dosage was listed.

The study also found that a ‘traffic light’ system, which uses traffic light colours to indicate potency, allowed two-thirds of respondents to identify products with high levels of THC, compared to 33%of respondents who only used numerical THC information.

In 2018, Statistics Canada found that 32% of cannabis users consumed edibles.

Hammond said: “New regulations that limit cannabis edibles to a maximum of 10 mg per package are particularly important given that most consumers do not understand THC numbers.  “However, the findings suggest that consumers will need easier-to-understand THC information for other products, including oils, concentrates and dried flower.”

Written by homegrownreview

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