l-glutathione reduced wiki - Antioxidant & Cellular Protection AOP-Wiki

They may recommend a blood test to confirm if you have a deficiency

Cardiac endocrine toxicity includes heart tissue hemocytes infiltration and myocardial fibrosis, bradyarrhythmia, and arrhythmia

Marini FC, Yu Q, Wickham TJ, Kovesdi I, Andreeff M

The tea benefit has been confirmed more recently in a study in Singapore, with green tea being marginally better than black tea.(18) However, this benefit was not found in a UK Biobank study, which reported tea and coffee drinking to be associated with worsening cognition compared to abstainers

AFE is a complex mixture characterized by key active compounds including arctigenin, arctiin, chlorogenic acid, and caffeic acid