glutathione supplement iherb Vegan Reduced, 500 mg, 120 Veggie Capsules Micro-Pack+®, Liposomal Glutathione , 10

The copper ion can oxidize vitamin C, reducing its effectiveness

9 , eadg4993 (2023)

One of the central regulatory pathway in redox balance is the Kelch-like ECH-Associating protein 1 (Keap1)nuclear factor erythroid 2 related factor 2 (Nrf2)antioxidant response element (ARE) pathway, which upregulates biosynthesis of antioxidant proteins, including antioxidant enzymes such as heme oxygenase-1 (HO-1), glutathione S -transferase, NAD(P)H:quinone oxidoreductase 1 (NQO1), glutathione reductase (GR), Trx-R, CAT, and SOD, but also nonenzymatic antioxidant proteins, e.g., Trx or anti-apoptotic proteins from Bcl-2 family 64

Ethyl Ascorbic Acid or EAC for short is an "etherified derivative of ascorbic acid" that consists of vitamin C and an ethyl group bound to the third carbon position