The exact caloric intake for ectomorphs can vary depending on several factors including age, sex, physical activity level, and individual metabolic rate. However, considering the high metabolic rate associated with ectomorphs, the caloric intake often needs to be higher than the standard recommendation. Ectomorphs aiming to gain weight may need to consume anywhere from 2500 to 4000 calories per day, with a focus on a macronutrient ratio that emphasizes carbohydrates and proteins.
For example, a ratio of 50% carbohydrates, 30% protein, and 20% fat could be a starting point. However, it's essential to monitor progress and adjust the caloric intake and macronutrient ratio as necessary. A registered dietitian or nutritionist can provide personalized advice based on individual needs and goals.