You've got a gym protein bar in your bag, but should you eat it before you train, or save it for after? It's one of the most common questions gym-goers ask, and the answer actually changes depending on your goal. This guide breaks down exactly when to eat a protein bar, what happens in each case, and how to time it for energy, fat loss, or muscle recovery in plain language, no fitness jargon. You can eat a protein bar before or after a workout, depending on your goal. Eat it