I had used dymatize elite whey protein for 6 months and I can surely feel the difference in my pysicque because of it but if you want the results fast from this supplement.
Then you are making a mistake because whey protein takes at least 5 or 6 months to be effective in your body because this supplement doesnt increase strength but its about get cutting shape in our body.usually our body builders needs about the no of protein equals to their no of pounds means if you are 180 pounds then you need exactly the same amount for your protein.
You can get protein from other sources as well like eggs, meat and milk but if you are lactose intolerant then give whey isolate a try.