Yes. Whey is a protein. It is essentially food. It is simply processed in order to remove the milk sugars and fat, creating a higher protein content by volume than standard milk. No different than eating chicken, steak, etc. As such, since you can eat food while taking Hydroxycut, you can most definitely take whey. read more
Whey protein is typically for supplementing protein while "bulking", while Hydroxycut is a (somewhat ineffective) appetite suppressant used for dieting. The two items are generally used for opposing purposes. read more
As mentioned, taking whey protein after your workout is a good thing -- especially for muscle repair. Here are some considerations for your post-workout whey consumption: After a workout, your body is starved for energy, or at least is looking for where it can get some to refuel. read more