What players can rely on
Ultimate Gym Game's official description confirms cash, food, supplements and a shaker as progression resources. The public Trello adds that cash can buy Chicken & Rice, Whey, Creatine and a shaker bottle, and says reps and cleaning around the gym can generate money.
Use this branch to identify the type of reward, then move to Codes for current redemption status, Supplements for claim boundaries, or Sources for marketplace/gamepass evidence. Avoid any guide that presents a complete shop price table unless it cites current game evidence.