Tahiti Trader High Potency Noni Juice can help increase mental clarity and attention span as well as allow greater physical performance levels. It also benefits the following systems of the body:Supports Immune SystemTahiti Trader Noni supports your body?s natural ability to fight infections diseases colds and flu. Powerful AntioxidantTahiti Trader Noni is a good source of Polyphenols which are potent antioxidants. Antioxidants help the body guard against damage from free radicals.