India, Aug. 11 -- Experts and social media users are alerting the public about 'Feel Free' tonics and other items that include kratom, a chemical that resembles opioids, as per NBC News.

This comes as FDA warns that products made from kratom, a plant found in Southeast Asia, are becoming more common in gas stations, corner stores, and vape shops countrywide.

The drug is frequently used to "self-treat conditions such as pain, coughing, diarrhea, anxiety and depression, opioid use disorder, and opioid withdrawal," the FDA stated.

University of Minnesota Medical School addiction medicine specialist Dr. Robert Levy told NBC News that he has "many times" handled patients who became addicted to kratom.

Although kava and/or kratom-based drin...