Colorado lawmakers made allowances for serious marijuana users by allowing recreational edibles to contain up to 100 milligrams of the psychoactive component THC, roughly equivalent to smoking three joints filled with a gram each of 15 percent THC cannabis.
At the same time, however, the law seemed to have pot novices in mind when it defined each serving size of edible marijuana to be just 10 milligrams of THC. So if you’re following serving directions on each edible, a 75-milligram-THC Mile High Mint bar weighing 45 grams should be consumed in 6-gram chunks, not all at once. And an 8.5-ounce bottle of one of Dixie’s 75-milligram-THC elixirs (just over half the size of a grande Starbucks coffee) should be divvied up into 7½ servings. Even if you abide by these directions, it’s hard to know exactly how much—or how little—THC you’re getting in each bite or gulp.
In March, a Denver Post investigation found that some edibles had just a fraction of the THC listed on their labels (a package of 100-milligram-THC Dr. J’s Jelly Stones contained 0.2 milligrams of THC), while others were considerably more potent than advertised (a 100-milligram-THC Mile High Mint bar boasted 146 milligrams of THC).