‘Gas Station Heroin’ Spurs Spike in Poison Control Calls, FDA Warns
Physician's Weekly
JUNE 17, 2025
But the FDA has never approved it for any medical condition in the U.S. Calello explained that it falls under a gray area of consumer supplements or products that are not regulated or tested the same way a medication would be. The FDA sent a warning letter to the maker of a product called Tianna in 2018.
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