87 is not considered low. Usually below 70 is. BUT---if you are not used to it being 87, you can still have symptoms of crashing. Been there! What did you eat for breakfast and Lunch? Could your symptoms been from too much caffeine?
You should always pair a carb with a protein too.
Edited by: FP4HLOSER at: 1/7/2013 (19:28)