Try nutrient dense drinks 2-3 a day, either purchase them, such as Ensure or Boost, or make your own milkshakes - milk, ice cream, and frozen fruit blended or yogurt smoothies - yogurt, milk, and frozen fruit blended for additional calories, protein and nutrients
to help increase your
weight. If your
weight does not slowly increase from above, suggest going
to your doctor to get your thyroid checked. Hoped that helped you.