On TikTok, warnings spread about the herbal tonic "Feel Free." Some people who have tried the drinks — which contain kratom and kava — say they became addicted. NBC News' Maya Eaglin spoke to a man ...

A viral video about a tonic sold at gas stations has drawn fresh attention to a relatively unregulated plant with opioid-like ...

Jasmine Adeoye used to down 12 bottles a day of the virally popular "Feel Free" herbal drink ... she got hooked and says the kratom-laced beverage is like an addictive ...

Hour Energy. She thought it was harmless. But for her it wasn't, the 49-year-old Ohio mother of two says.Start ...

As kratom-based products like 'Feel Free' gain popularity in the US, the FDA issues warnings about addiction risks.