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Obesity-related alterations in the gut microbiome composition are characterized by changes in the Firmicutes to Bacteroidetes ratio, which is increased in obese humans and mice 17,18

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While some studies suggest NAC may have beneficial effects in certain cancer settings, animal research has also found that NAC can accelerate tumor growth or metastasis under specific conditions.3 41 42 43 Current human evidence does not show that NAC causes cancer, but people with active cancer, a history of cancer, or those undergoing cancer treatment should discuss supplementation with their oncologist or healthcare provider before use