try increasing your caloric intake- that sounds way low and it might be making you feel worse overall.. a friend of mine got really sick when she was trying to diet by counting calories at too low a #... especially given the exercise you got yesterday- you'll throw your body into starvation mode.
-------------------- Dietetics Student (anticipating RD exam in Aug 2010)
IBS - A
Dairy Allergic
Fructose and MSG intollerant