does glutathione promote cancer growth Excessive intake contributes to chemotherapy resistance in breast cancer: a propensity score matching analysis | World Journal of Surgical Oncology Human cancer-associated fibroblasts enhance glutathione

That being said, during prolonged periods of UV exposure, melanocytes can actually become overactive and produce too much melanin

Some early research is interesting

If you have a medical condition or if you are taking prescription medications we strongly suggest that you consult with your healthcare provider and pharmacist to determine if the CellSentials are appropriate for you to take

They may not be safe with the following medications: Immunosuppressants like azathioprine or cyclophosphamide, and prednisone Medicine for chest pain (angina), including isosorbide and nitroglycerin Antifungal drugs like oxiconazole NAC may not work as well when paired with certain antibiotics (oxytetracycline, tetracycline, and trypsin) or activated charcoal

Hudgens JL, Sugg KB, Grekin JA, Gumucio JP, Bedi A, Mendias CL