I guess I am a little bias here too - if my caffeine intake goes near 200 mg for the day then I get shaky. I have a friend who can toe the line at 700-800 mg! W

I guess I am a little bias here too - if my caffeine intake goes near 200 mg for the day then I get shaky. I have a friend who can toe the line at 700-800 mg! Which I read the other day that is the 'danger zone'.