Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease IV Vitamin Infusions Cold plunges have also been shown to increase glutathione levels in studies. Glutathione is your body's most powerful antioxidant, and it ensures that all other antioxidants work properly. Come unwind with us! Glutathione deficiency can lead to a variety of signs and symptoms that affect your overall health. Here are some common signs to look out for: 1. **Increased Dark Spots** Glutathione