Can Protein Powder make you fat?

Protein powder alone will not make you fat, but drinking too many high calorie shakes which exceed your calorie requirements can cause weight gain. Excess calories are stored as fat. While protein does is not converted to fat at the same rate as carbs or fats, excess can still cause weight gain. Protein provides around 4 calories per gram. Carbs provide a similar 4 calories per gram and fat provides a huge 9 calories per gram.