90% diet 10% workout. Your abs are one of the most used muscles in your body so they are already defined, it's just a case of showing them. The best way is to cut carbs from your diet while working out, and cut like MMA fighters and boxers etc... Of course the more fat you have covering them the lon...

MyProtein brand is really good value and you can buy pure whey with no flavorings or additives. I buy this and add bananas to it for a smoothie it's great