The supplement industry loves selling new things to young lifters. New pre-workouts. New recovery formulas. New proprietary blends with names that sound like industrial chemicals. Meanwhile the one supplement with thirty-plus years of research behind it, that costs about fifteen dollars a month, and that may actually work better for lifters over 50 than it does for twenty-five-year-olds — sits quietly on the shelf while everyone chases the next thing. Creatine monohydrate. Th