The GOMAD diet involves drinking a gallon of milk daily. The advocates of this diet claim that it is especially beneficial for people trying to gain weight, as a gallon of milk contains around 2,400 calories. Most people follow this diet strategy until they hit their goal weight, which usually takes between two to eight … Continue reading The Gallon of Milk a Day (GOMAD) Challenge: I Drank a Gallon of Milk Every Day for 30 Days to Gain Muscle