Roses there's so much information you do not tell us in order to respond easily to your post. I recommend you take a read through my blog in the link below. YOu should find some answers or clues to your predicament.
There could be other factors but unless you tell us more its all a stab in the dark.
I do think its probably more likely you are not eating enough calories or the quality of your carbs is not good enough. Go for Lower GI carbs to make the energy in them satisfy you longer. But generally protein is a good idea with every meal.
Last edited by Pattience; 04-08-2014 at 02:30 AM.