Calcium is a fussy mineral, and works better under certain conditions. Consider taking your calcium supplement at bedtime, rather than in the morning. If taken along with a 500mg Vitamin C supplement, calcium is absorbed well. Antacids, coffee and tea can hinder calcium absorption, so it is wise to take your calcium supplement prior to these Health fashion. Regarding to Health fast Choline is the fat-like substance, akin to Vitamin B, found in eggs.