We have an 11 year-old daughter who was diagnosed with galactosemia 2 days after birth. Dr, Heindenreich was her doctor, and we were never able to find out if she is classical or has the duarte gene. She is 61 lbs and cannot gain weight. We fill her up on high carb meals, snacks, etc.. Her pediatrician is worried, as she lost 1 lb over the past year, instead of gaining weight. As she heads into puberty she needs to gain weight. She is developing underarm hair and showing good signs. What would you suggest to help her gain weight?