stacibw,
gradually you'll decide on a path toward bone health. More interesting replies will come in on natural remedies. And no one will press you to accept their ideas. We are all riding the surface of information without knowing for sure.
The "agressive"ness of your osteoporosis leads me to windyshore's suggestion about secondary causes.
Many of us are small boned. Dexa over estimates the degree of osteoporosis in small bones.