l-glutathione 500 (Reduced), mg, 30 Veggie Capsules Glutathione Pure Reduced L-Glutathione Antioxidant
Description
That said, it always pays to err on the side of caution and I wouldn't use out of date ones in somebody else, unless I had no option

[DOI] [PubMed] [Google Scholar] 543.Wan W., Peng T., Jin X., Li Q., Zhang F., Zheng G., et al

The Emerging Role of Epigenetics in Metabolism and Endocrinology

Influence of Isolated Resistance Exercise on Cardiac Remodeling, Myocardial Oxidative Stress, and Metabolism in Infarcted Rats

If this is your first time purifying this protein, your estimate might not be great
