Osteoporosis a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D. Natural Calcium Support from Phoenix Nutritionals Inc can help to reverse Osteoporosis in most cases. Bone loss is a concern of many over the age of 50 years old. Men and Women can experience osteoporosis and bone loss from a variety of factors. Natural Calcium Support from Phoenix Nutritionals replaces the calcium and essential minerals to restore bone density and strength.