On TikTok, warnings spread about the herbal tonic 'Feel Free'
On TikTok, warnings spread about the herbal tonic 'Feel Free'

www.nbcnews.com 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. Experts have cautioned about kratom use.

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Some people who have tried the drinks — which contain kratom and kava — say they became addicted. Experts have cautioned about kratom use.