puritan's pride l glutathione L-Glutathione 500mg, 30 Capsules puritans glutathione Puritan's Pride |

In addition, the implication of GGT activity in the resistance phenotype of cancer cells suggests a potential use of GGT inhibitors associated with chemotherapeutics in order to deplete intracellular GSH and/or to inhibit extracellular drug detoxification

Rosenblum S, Smith TN, Wang N, Chua JY, Westbroek E, Wang K, et al

Poor absorption, often cause side effects

doi: 10.3390/biom15070920 172 HuWKongXWangHLiYLuoY

A study evaluating different antioxidants found that, in controlled doses, glutathione reduces cell oxidation levels by up to 30% more than vitamin C and by 20% more than vitamin E after four weeks' use 1