The Acai Berry: It's the other red berry Vogue Magazine: 'the next big workout cocktail' NBC's Matt Lauer: 'the Amazon's natural viagra' The Times: 'acai is the fruit of an Amazonian palm with the nutritional content that makes other fruits blush with inadequacy' Acai berries are full of antioxidants, more so than any known fruit or vegetable. This makes them an ideal nutritional source, and they also taste great. Nutrionalists have even described the acai berry as a super-food. The Acai berry is a small, rounded black purple berry that is about 25 mm in diameter. It is very similar in appearance and size to a grape but with much less pulp. The acai palm one of the most important plant species in places in South America as the fruit makes up such a major component of the diet in these regions. Health Focus The juice and pulp of acai berry are frequently used in various commercial juices, smoothies and other beverages. Studies have shown that a persons blood antioxidant capacity increases within 2 hours of consuming acai juice. There are also claims that the acai berry can slow down aging, improve energy levels, strengthen your immune system, help with joint pain, migraines and regulate blood pressure.