Acetyl L-Glutathione Supports Healthy Detoxification Processes. It supports antioxidant functions & Cellular Health. Glutathione is a well researched antioxidant that plays an important role in healthy detoxification processes, protecting cells from free radical damage, maintaining cellular health and supporting overall immune function. Research suggests that Acetyl-L-Glutathione is more stable in the blood and helps support overall Glutathione levels.