A meta-analysis of 8 RCTs found that NAC supplementation significantly reduced fasting glucose (WMD: -5.84 mg/dL) and HbA1c (WMD: -0.27%) in people with metabolic conditions (Sarkaki et al., Clin Nutr ESPEN, 2021) [57]
Of course, this cost-saving measure only really has potential if 500mg of urolithin A has shown promise for your concern
While this can be due to several factors, including magnesium deficiency, several studies highlight the important influence of glutathione (GSH) levels on vitamin D status and activity
However, some research has shown that up to 500 mcg had positive effects on homocysteine levels in the bodywhen combined with .5-5 mg of folic acid
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