the fruit with the hightest concentration of anti oxidants, is the mangosteen. this fruit is grown in southeast asia, and is just now coming available in the us. a company patented the formula, and it is going to be the next big thing. they are using direct sellers to market the product. take a look at their site... xango.net great stuff to, i have been on it 2 weeks, and have signed up to be a distributor...email me for any more info...jordancrews@gmail.com