5th May 2024

A 55-year-old woman presents with a history of generalised bone pain and muscle weakness.

A 55-year-old woman presents with a history of generalised bone pain and muscle weakness. She has been avoiding sunlight exposure for several years and follows a vegan diet. Laboratory tests reveal low serum calcium, phosphorus, and 25-hydroxyvitamin D levels. A diagnosis of osteomalacia is made.

What is the most appropriate initial treatment for her condition?