Type-level market taxonomy differentiates extended-release tablets, immediate-release capsules, and oral lyophilisates on pharmacokinetic, not merely legal, grounds. ER tablets hold ~70% share; their zero-order absorption kinetics reduce dosing frequency, translating into superior adherence metrics (≥85% vs. ~65% for IR) and sustained reimbursement across formularies. Immediate-release capsules, ~25%, remain clinically relevant for acute hypertensive crises or in-stent restenosis protocols, but revenue erodes faster due to commoditisation—ASP declined 12% CAGR (2018-2023). Oral lyophilisates, <5%, target dysphagic or paediatric cohorts; reimbursement hurdles limit uptake, yet unit prices sit 4× above IR, offering a high-margin, low-volume wedge for speciality manufacturers exploiting orphan-like positioning within the broader nifedipine market.