This supplement promises weight loss with the acai berry as its main active ingredient. This berry has long been known to native South Americans, as an energy booster that decreases the appetite as well. Thus it is not surprising that the supplements are marketed as weight loss products nowadays. br br Ultra Berry Blast supplement is great because it is super convenient. Acai berry juices and shakes may not be possible to take at all times. Also, getting the natural and fresh fruit if you are not from South America is next to impossible. Thus, the supplements are perhaps your best and most reliable alternative to the real thing.