However, that's not the case, because that milkshake spikes your blood sugar
, which in turn spikes your insulin levels
. If all that sugar isn't used, in the form of exercise, insulin shuttles it right into the fat cells to be stored for later use.
Opt for a yogurt (preferably Greek); try an apple or celery sticks with the peanut butter. Apples have lots of complex carbs, which take a while to break down, so they don't spike your blood sugar. An ounce of cheese is also good.