#asktheexpert hello madam my son age is 9years and his weight is 20 kgs since from 2 years he is not gaining weight I don't know what happened

A. Walnuts are a nutritious powerhouse with healthier fats, fiber, vitamins and minerals, and antioxidants than any other dry fruit. They are considered the best dry fruits for weight gain, as in a 100-gram serving, they contain 654 calories, 15 grams of protein, and 14 grams of carbohydrates.