Pure Encapsulations Lithium Liquid (micro-dose) offers the essential trace element lithium in a convenient, low dose liquid form to support cognitive health, including neuronal protection, brain function, and mental performance. Pure Encapsulations Lithium Liquid provides the nutritionally essential trace element lithium at the low doses naturally found in plant-derived foods. Lithium promotes cognitive performance and mood, as indicated in a number of trials. It has been shown to support healthy brain receptor activity and brain signaling cascades. In addition, it enhances neuronal antioxidant protection and cell health by maintaining healthy glutathione-S-transferase enzyme activity in the brain.