My BMI is 16.2, no kids, iI have had 2 inchs growth in 2.5 months,, so it does work. I think I hit the stall now, got to think of somthing else to get another 2 inchs of growth to become a C!
I eat all the fatty food though, ribeye stakes, pork belly, lame chop, cakes, ice creams,cheese, never...