In Vitamin D Deficiency Treatment segmentation, the Type category is divided into oral formulations (e.g., tablets, capsules, liquid drops), injectables, and dietary supplements. Oral formulations dominate the market due to their ease of administration, cost-effectiveness, and widespread availability in both prescription and over-the-counter forms. Injectables, though less common, cater to severe deficiency cases requiring rapid systemic absorption, particularly in hospitalized patients. Dietary supplements, including fortified foods and nutraceuticals, appeal to preventive healthcare consumers. Collectively, these subtypes define the marketโs therapeutic flexibility, with oral formulations accounting for ~65% of global revenue. Their distinct mechanisms and patient compliance profiles shape the overall Vitamin D Deficiency Treatment market size by addressing diverse clinical and consumer needs.