Source Naturals Nutraspray Melatonin - Orange Supplement Vitamin | 1.5 mg 2 fl oz Liquid. Helps the body ease into restful sleep o Suitable for vegetarians and gluten free o Natural orange flavor o Source Naturals Nutraspray Melatonin - Orange Supplement Vitamin | 1.5 mg 2 fl oz Liquid o Sold by Swanson Vitamins... - Source Naturals Nutraspray Melatonin - Orange Supplement Vitamin | 1.5 mg 2 fl oz Liquid.