Did you know that most calcium supplements on the market are basically limestone? Yes, that's chalk. Conceal it within a capsule, a slickly glazed tablet, or in the form of a silky smooth liquid, and it is magically transformed into a "calcium supplement": easy to swallow, “good for the bones" and a very profitable commodity for both the dietary supplement and mining industries. After all, a sizable portion of the Earth's crust is composed of the stuff.
The present-day definitions of Osteoporosis and Osteopenia were arbitrarily conceived by the WHO in the early 90's and then projected upon millions of women's bodies seemingly in order to convince them they had a drug-treatable, though symptomless, disease.
According to research published in the British Journal of Pharmacology in 2008 alendronate (Fosamax), raloxifene (Evista) and estradiol (bioidentical estrogen) are inferior to the phytoestrogen genistein commonly found in fermented soy*, red clover, kudzu, fava beans and coffee in preserving bone mineral density (quantity) and strength (quality) in an animal model of menopausal (ovariectomy-induced) osteoporosis.