Usns diet whey isolean represents the latest and most advanced nutrition technology in the pursuit of the maintenance of lean muscle tissue this delicious protein drink mix is a source of fibre and protein the main source being whey protein diet whey isolean can be taken at any time of the day and contains ingredients that may support the maintenance of lean muscle the usn leansystem blend consists of phytofare catechin complex n acetyl l carnitine hca hydroxycitric acid as part of ga