Acai is a fruit from the Amazon. It boosts energy, has disease-fighting and age-fighting properties, and is one of the most powerful antioxidants on the earth. Celebrities like Oprah Wirlfrey and Denise Richards sing its praises. It is one of the most nutritious and powerful foods in the world, says a leading anti-aging doctor. This fruit can lower cholesterol and protects against heart disease and stroke. It is also loaded with calcium, which prevents osteoporosis, cancer, and makes you sleep incredibly well. It also repairs damaged tissue to the skin.