too skinny female

[labomb2]

I have a female that is approx 18 months old or more and she is really too skinny, weighs 29g. she has been this way for quite some time, is slow to move (although this is actually normal for my older ones) but I have a a hunch that something just isn't right about her. I can hand feed her from a syringe, and she does eat baby food and lately I have been giving her the recipe posted here. but she won't eat crickets and I think that is why she is too skinny. I try putting them right in front of her mouth and she just shakes them off, has no interest. Is there something I can mix with the fruit to help fatten her up? I have tried the meat baby food, she never touched it.
I am considering calcium drops for MBD although she doesn't really show the same symptoms that my younger male had when he had MBD. And like I said, she has been this way for a long time, no better, no worse. She is alone in a habitat, I seperated from her long time male companion to keep her from bearing eggs. Oh and another thing that I am concerned about is that the last 2 or 3 sheds I have had to help her with, she seems to be stuck in them, but I am home all day and humidity is NOT the problem because I am queen of mist.

on the other hand I have a very fat young Juvie that eats way too many crickets AND whatever fruit I give it. It eats EVERYTHING put in its habitat. and eats it immediately the little glutten. such a fat tummy it has. anybody have one like this?