The Methylene Blue 1% Liquid supplement, made by Blue Sun, is designed for cognitive and cellular support. This 2-pack of 2 fl oz bottles is formulated as drops for easy consumption. With a main purpose of general wellness, mental focus, and mood support, this vitamin supplement is ideal for adults looking to enhance their overall health and emotional well-being. Made in the USA with RO Water Pure, this neutral-flavored liquid it is a valuable addition to a daily wellness routine.