reduced vs oxidized glutathione oxidation and reduction reaction in relation to Glutathione disulfide - Wikipedia
Description
Their proposed mechanisms of action include the promotion of angiogenesis, modulation of inflammatory cascades, and enhancement of tissue repair through multiple cellular pathways
Then my hands swelled and my feet were swollen and inflamed

Prepare in a sterile environment: The individual administering the injection should use an alcohol swab to clean the injection site and wash their hands thoroughly
By supporting these pathways, glutathione helps the body manage everyday environmental and metabolic stressors

The honest answer is both, potentially