they sure do, the standard 'dosage' is 2k cals per day and they have a calculator (that you have to dig for) if you figure your requirements differ from the 2k

they sure do, the standard 'dosage' is 2k cals per day and they have a calculator (that you have to dig for) if you figure your requirements differ from the 2k cals per day. Nevermind the fact that these types of calculators of woefully inaccurate.