Creatine and whey protein are both popular supplements, but they have different purposes and effects on the body.
Creatine is a naturally occurring compound that is stored in the muscles and is used to provide energy for high-intensity exercise. Supplementing with creatine has been shown to improve athletic performance by increasing muscle strength and power, especially during high-intensity, short-duration exercises.
Whey protein, on the other hand, is a type of protein derived from milk that is commonly used to support muscle growth and recovery. Supplementing with whey protein has been shown to increase muscle mass and strength, especially when combined with resistance training.
It is not a matter of one being better than the other, but rather the best choice depends on the individual's goals. If the goal is to improve athletic performance and build muscle, both creatine and whey protein can be beneficial. Creatine may be taken prior to a workout for best effect, and whey protein after for best recovery.