The Antioxidant You've Probably Never Heard Of A deficiency in this one nutrient is known to contribute to cancer, heart attack, stroke, diabetes, Alzheimer's, liver disease, and chronic fatigue, among other conditions. On the other hand, adequate amounts reduce inflammation, improve sleep, improve recovery from exercise, improve heavy metal detoxification, and protect the liver and brain. So what is this mystery nutrient? Is it some obscure superfood...