Whey, Creatine, or Mass Gainer? Here’s What Each One Helps With If you’re starting your fitness journey—or even if you’ve been at it for a while—you’ve probably come across these three popular supplements: whey protein , creatine , and mass gainer . But with so many options available, it’s normal to wonder: “Which one do I actually need?” The answer depends on your fitness goals , training routine , and diet . Let’s break it down in a simple way so you can understand what each one does and how it might help you. Whey Protein – For Recovery & Lean Muscle Growth Whey protein is one of the most commonly used supplements—and for good reason. It’s a fast-digesting protein that helps your body repair muscles after workouts and build lean muscle mass over time. Who should take it? Anyone doing strength training , weightlifting, or even general fitness routines. It's especially useful right after a workout when your muscles need quick nourishment. Benefits: Speeds up muscl...