Protinex is best supplement for those who want to make their muscle but cant afford expensive supplements.it is not so expensive.it fulffill your some of the daily need of protein to make musles. It contain 9.1 g of protein in its one tablespoon .and if you take it with one cup of milk which contain 11g of protein you get 21 g of protein approximately. So it is a right choice for get protein in low cost. But it has a cons that it contain to much quantity of sugar which is not good to take to much. Overall this is a good supplement.you can use it as post workout supplement.