Application‑based segmentation of the Nystatin API market highlights four distinct end‑use categories: oral dosage forms, topical formulations, vaginal preparations, and parenteral solutions. Oral dosage forms, primarily suspensions and tablets, dominate with an estimated 40% share of market volume, reflecting the high prevalence of systemic candidiasis treatment protocols. Topical formulations, including creams and ointments, represent the next largest segment at 35%, driven by demand for localized skin and mucosal infections. Vaginal preparations, such as pessaries and gels, account for about 15% of the market, aligning with the specific therapeutic niche of vulvovaginal candidiasis. Parenteral solutions, used in severe systemic infections, comprise the smallest share at 10% due to limited clinical indications and higher production complexity. These application sub‑segments collectively shape the Nystatin API market landscape, with each contributing proportionally to overall demand and informing strategic supply chain decisions.