do blueberries have glutathione Vaccinium spp. Berries in the Prevention and Treatment of Non-Alcoholic Fatty Liver Disease: A Comprehensive Update of Preclinical and Clinical Research Hashem - Frozen blueberries are
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K.RoyA.ChattopadhyayS.ChainyG
The exclusion criterion was that subjects were excluded if pregnant or suspected to be pregnant, applied only to female subjects

Glutathione plays key roles as an antioxidant, and as a regulator of both detoxification and the immune system

Kelley RK, Verslype C, Cohn AL, Yang TS, Su WC, Burris H, et al
No notable impact on blood glucose, cholesterol, or blood pressure has been observed in shortterm studies (glucose tolerance findings)
