As one of the largest producers of marijuana-infused edibles in Colorado, Dr. J’s Hash Infusion makes chocolates, caramels and candies. But many of the company’s products contain only a minute fraction of the THC promised on Dr. J’s labels, according to independent tests organized by The Denver Post.

One Dr. J’s milk chocolate Star Barz labeled for 100 milligrams of THC had 0.37 milligrams of the valued psychoactive component, according to three tests conducted by Steep Hill Halent of Colorado, a state-licensed marijuana testing facility. Another popular Dr. J’s chocolate bar, the 100-milligram Winter Mint flavor, tested similarly in two experiments, showing 0.28 milligrams of THC.

“They need to work on their process,” said Joseph Evans, laboratory director at Steep Hill Halent. “I don’t know that it’s irresponsible, but it’s nonprofessional.”

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DENVER, CO MARCH 06 – Lab director Joseph Evans analyzes test results on products from Dr. J’s, a Denver-based edible cannabis manufacturer, at Steep Hill Halent. Robin Hackett, co-owner of BotanaCare, said she recently placed a large order for edible cannabis treats fom Dr. J’s, but was shocked when customers called to complain that the brownies had no effect. She sent a sample to the lab where the supposed 100mg THC treats registered near zero miligrams of THC. Steep Hill Halent on Thursday, March 6, 2014. (AAron Ontiveroz, The Denver Post)

AARON ONTIVEROZ