As a powerful antioxidant, glutathione is a key player in the body's immune function, potentially helping to reduce the risk of infections
But I would say plant sources, if you're looking for the ALA, plant sources would be walnuts, flaxseeds, those are probably the highest
Minelli C, Wei I, Sagoo G, Jarvis D, Shaheen S, Burney P
Glutathione levels also decline naturally with age, which means life-long athletes and older active adults are working with a lower baseline before training load is even factored in
Ongoing studies continue to examine cellular communication, angiogenic signaling, extracellular matrix remodeling, connective tissue physiology, and tissue homeostasis
Stojsavljevi A, Rovanin B, Krsti et al (2019) Evaluation of trace metals in thyroid tissues: comparative analysis with benign and malignant thyroid diseases