What happens if you drink too much protein without working out?

Protein bars can be used as replacement bars for regular meals or to supplement your daily intake of protein. If you are taking protein to replace a regular meal then you don't have anything to worry about. If you are eating protein bars to gain muscle then you have to make sure that the calories from the bars do not exceed your maintenance calorie intake. You will know if you are eating too many calories because your weight will start to increase.