Can alcohol lead to weight gain? If so, why is that? Let’s discuss… Alcohol is sometimes referred to as the fourth macronutrient. Our main macronutrients are protein, carbohydrates and fat. So why is alcohol considered the fourth? Alcohol contains calories and this is why it is considered a macronutrient, however, unlike the other macros - Alcohol does not contain any other nutritional value, e.g. vitamins, minerals, or fibre. Let’s compare the four macronutrients and their c