What is the long term effect of taking Glutathione oral supplements on elderly blacks?

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Marco Brotto

I know of one study where levels of GSH were compared between whites and blacks in relation to selenium supplementation.

http://www.ncbi.nlm.nih.gov/pubmed/21462082

Jose L Mauriz

See the following paper about GSH supplementation on colon carcinogenesis in rats:

http://www.ncbi.nlm.nih.gov/pubmed/19568688