The types segment classifies therapeutic modalities, each with distinct development pipelines, pricing dynamics, and adoption curves that cumulatively determine market volume. Oral phosphate salts represent the conventional, low‑cost option and capture approximately 30 % of sales, primarily in CKD settings where chronic administration is feasible. Intravenous phosphate formulations, employed for rapid correction in acute care, contribute an estimated 20 % of revenue, reflecting higher unit prices but limited usage windows. The most transformative category is biologic therapy, exemplified by burosumab, an anti‑FGF23 monoclonal antibody; this class commands roughly 50 % of the market, driven by premium pricing, superior efficacy in XLH, and expanding indications. The interplay among these sub‑types shapes the overall market taxonomy, with biologics increasingly reshaping revenue distribution as clinicians prioritize disease‑modifying solutions over symptomatic phosphate replacement.