Segmentation by type classifies injectable isosorbide nitrate products into two core formulations, each further divided into concentration sub‑categories that affect dosing economics and supply chain logistics. The first type, Isosorbide Dinitrate Injection, is available in standard concentration (0.5 mg/mL) and high concentration (1.0 mg/mL) variants; the standard formulation dominates the market because it aligns with most clinical protocols, while the high‑concentration version is niche, serving patients requiring reduced infusion volumes. The second type, Isosorbide Mononitrate Injection, though less prevalent, includes low‑dose (0.2 mg/mL) and mid‑dose (0.4 mg/mL) options, primarily utilized in specialized cardiac units that tailor therapy to renal‑impairment cohorts. These type‑based distinctions influence overall market size by dictating production batch sizes, pricing tiers, and inventory turnover rates, with the dinitrate variants collectively representing the bulk of sales and the mononitrate line contributing a modest but strategically important share.