Which preparation and brand of melatonin to recommend

By Dr. Chris Cotner Dr. Cotner practices naturopathic medicine in Kirkland, Washington. How can we know which brands of melatonin meet quality standards? Many brands and preparations of melatonin are available. There are two problems that can be associated with these different brands and preparations (Erland and Saxena 2017; Grigg-Damberger and Lanakieva, 2017): 1. The…