I have a 64 pound 2 year old. He is not obese by any means. He is in the 100th percentile for height and weight, he always have been every since his 2 month check up. He is more muscle and very solid. His dad is 6 4 280 so I just always figured he would be a big guy like his father. My question is this, on a daily basis, he drinks 3/4 of a gallon of vitamin D milk. I buy a gallon of milk every day. Should I stop doing this, is this not healthy?