you can referhttp://www.medicalnewstoday.com/articles/70809.php formore information.
Hello Dear,
You should continue with your vitaminD supplementation.
FOSAMAX PLUS D™ (alendronate sodium/cholecalciferol), a single, once-weekly tablet containing FOSAMAX® (alendronate sodium) 70 mg and 5,600 international units (IU) of vitamin D3 (cholecalciferol).
It is a once-weekly medicine now contains both the well-documented fracture benefits of FOSAMAX as well as 5,600 IU of vitamin D3.
Best