Harmonix's Sleep Formula 39 enters market

ATLANTA — Harmonix has launched Sleep Formula 39, a nonprescription sleep aid.

Available in twin packs of 2-oz. single-serving bottles, the product is made with a proprietary combination of ingredients, including 5-HTP, melatonin, GABA and L-Tryptophan, according to the company.

Sleep Formula 39 is available on GNC.com and select retailers.