But in recent years, a different product has emerged: 21+ beverages infused with kratom, a plant-based supplement with mood boosting opioid-like effects. The 2021 National Survey on Drug Use and Health Annual National Report found about 1.7 million people used kratom in the past year. During his seven years at The Root Kava Co. in Boulder, general manager Tekoa Williams has also noticed an increase in demand. Caution warrantedBecause of its similarity to opioids, pain is a commonly cited reason for daily kratom use. “Kratom should be treated with all the caution and respect that you would have for any other opioid-type drugs.