Sirona's 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 synthetase deficiency MedLink Neurology Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Glutathione: pharmacological aspects and implications for clinical use Geriatric Care Endogenous Deficiency of Glutathione as the Most Likely Cause of Serious Manifestations and Death in COVID 19 Patients ACS Infectious Diseases Endogenous Deficiency of Glutathione Vietnam GSH