Calcium Citrate is a readily digested and absorbed form of Calcium. The trace minerals and Vitamin D are added because of their essential role in bone metabolism. Tablet form allows for greater potency per pill. Calcium when combined with sufficient vitamin D, a healthy diet and regular exercise, may reduce the risk of developing osteoporosis. NOW® natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 1968, NOW has been making top quality products that are tested to the highest standards to empower people to lead healthier lives. NOW Foods' promise - what is on the label, is precisely what is in the bottle.    Recommended Dosage: Adult Dosage: Take 1 tablet 1-3 times daily with meals. Take a few hours before or after taking other medications.    Caution: Consult a healthcare practitioner prior to use if you have a liver disorder. Some people may experience diarrhea.