Guarana and inflammation
Guarana, a popular energy supplement containing caffeine, also has important antioxidants called catechins. In this study, 12 healthy but moderately overweight people, age 20 to 65, with slightly increased chances for heart disease, took 3,000 mg of guarana seed powder per day containing 90 mg catechins and 60 mg epicatechins.

After 15 days, doctors found less DNA damage in white blood cells, more cellular antioxidant activity, and less oxidized LDL, the “bad” cholesterol. Oxidized LDL increases chances for heart disease. Discussing the findings, doctors said the catechins in guarana powder were very easily absorbed by the body.

Reference: Food and Function; 2016, Issue 7, 2970-2978.
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