L-glutathione is a glutathione supplement also known as glutathione reduced. It's a naturally occurring antioxidant that is found in a reduced state in the human body. L-glutathione also assists in the transportation of amino acids through the cell membranes and is a necessary chemical in the human body.

L-glutathione is a powerful antioxidant that helps support healthy liver function, promotes healthy skin, and helps maintain healthy glucose levels. In addition, it supports an increase in energy production and contributes to brain health.