rkAbout Me Health ConsciousSee all my reviews ProsEasy on StomachEasy To SwallowEffectiveSimple To TakeTastes GoodConsBest UsesDaily UseWomenComments about Vitamin Shoppe Calcium-Magnesium-Zinc - 100 Tablets:take two, one in the morning, one at night. i used to hear my bones crack, especially my legs when streching. i go to the gym everyday, and do cardio and weights. since taking the Cal-Mag-Zinc