Can Vitamin K be cost-effectively used in the treatment of osteoporotic women with previous fractures?
A common illness in India, Osteoporosis was expected to effect approximately 46 million women in India over the age of 50, from the ~230 million Indians over the age of 50 years . Those afflicted have lower than average bone mineral density and the primary consequence is an increase in the incidence of fractures.
Vitamin K treatment however, as per this study, was found to provide gains (in Quality Adjusted Life Years) when compared to women without the same treatment but with sufficient intakes of Calcium and Vitamin D. A measure of cost effectiveness however requires further research.
Spinach (palak) and mustard greens (sarson ka saag) are great sources of Vitamin K. 
- USDA Food Composition Database