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For example, a 2005 study found that NAC administration failed to raise glutathione levels in rats,36 and a 2022 study on mice suggested that it may promote the metastatic spread of certain cancers.37 While its true that animal studies don't directly translate to human outcomes, they're still important to consider when choosing a supplement meant to support your health and wellness

Independent reviewers note that headline consumer claims often run far ahead of what those source studies actually report

We found that both Sc ADK1 and sodium citrate had a positive influence on the synthesis of GSH

10.1021/acsnano.9b00300 60 WangB.DaiY.KongY.DuW.NiH.ZhaoH.et al (2020)

Organic: Eating organic foods whenever possible helps to reduce exposure to pesticide residues

Unlike other antioxidants that must be consumed, glutathione is produced by every cell in your body, highlighting its critical importance for cellular health