Replacement is needed below a vitamin D level of 30 ng/mL.

Is daily vitamin D better than monthly?

For correction of deficiency, either weekly or daily preparation is advocated. For maintenance therapy, both daily or monthly regimens are fine.

Does osteomalacia cause low bone density?

Osteomalacia causes decreased mineralization of the bone (can be detected as low bone density on DXA). But this is associated with biochemical abnormalities like raised alkaline phosphatase, low/low-normal calcium. The defect is correctable by vitamin D and calcium supplementation.

What is the current management of osteoporosis?

Current management of osteoporosis includes bone anabolic agents like teriparatide and antiresorptives like bisphosphonates and denosumab. The therapeutic choice is guided by FRAX score, comorbidities, presence of fracture and severity of osteoporosis. Vitamin D and calcium repletion is prerequisite.