- Looking after your bodys different tissues requires additional attention as you age. OsteoEstrogen from Solaray is a blend of vitamins, minerals and soy that have been shown to support oral health and strong bones.Solarays OsteoEstrogen contains calcium and magnesium to protect these tissues. Vitamin D has been added to increase absorption of these important minerals. Soy and boron have also been added to enhance the effects of this supplement. The soy in this supplement has a guaranteed potency of 20 mg or 20 percent genistin, the active compound in soybeans that provides the healthful benefits.