Against the Grain STL is a St. Louis wellness business focused on sustainable health for adults over 40 through individualized nutrition and fitness guidance. Led by Javier Mariano, it combines functional nutrition, personal training, and weight loss coaching within a whole-body approach that connects food, movement, body composition, and daily habits. The business emphasizes realistic, personalized programs over fad diets, extreme workouts, and one-size-fits-all plans, with a focus on lasting change and practical improvements clients can maintain over time.