Blood calcium, vitamin D, and osteoporosis are important health issues. The consequences of abnormal levels are often life-changing and occasionally life-threatening. Using this app is the equivalent to spending hours with the world’s most experienced doctors teaching you about your calcium, parathyroid, osteoporosis, and vitamin D issues. Your tests results are analyzed to determine if a problem exists, what risks are associated, and what to do about it. Beautiful graphs make understanding thes