500 mg l-cystine and 250 mg l-glutathione Glutathione, Cysteine & C, 100 capsules Life Extension Glutathione, Cysteine &

Certain medications The following drugs can reduce levels of vitamin B12 in your body: Antibiotics -- long-term use can lower vitamin B levels generally Anti-seizure drugs Chemotherapy medicines, especially methotrexate Drugs used to reduce stomach acid, like H2 blockers (Pepcid AC, Tagamet, Zantac) and proton pump inhibitors (Nexium, Prevacid, Prilosec) Metformin (Glucophage) -- taken for diabetes Colchicine -- taken for gout Some cholesterol-lowering medications Other causes You're over 65

Biochim Biophys Acta 1780(11): 121735

The acid lumen contains hydrolytic enzymes, including nucleases, proteases, phosphatases, lipases, and sulfatases, which are needed in breaking down different type of lysosomal cargo [34]

It is essential for detoxification, protection against oxidative stress, and maintaining cellular function