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American consumers spent $825,559,397 on melatonin supplements in 2020, representing a 42.6% year-over-year increase, according to Nielsen.
Industry analysts expect the melatonin market to continue to grow, but a lack of federal oversight of supplements and sparse research into melatonin's long-term effects may harm consumers.
As more sellers look to cash in on the melatonin hype, doctors ask Americans to use caution when shopping.
Alex Goris has been taking melatonin every night for the last six months.
Goris, a 22-year-old lab technician in Salt Lake City, said his stress over getting exposed to coronavirus at work was keeping him from getting enough sleep before his 4:30 a.m. shifts. Melatonin has helped ease his late-night anxiety.