Vitamin D Therapy Market, By Type (Over-the-Counter (OTC) Drugs and Prescription Drugs), By Route of Administration (Oral and Parenteral (injectables)), By Dosage Form (Tablets, Capsules/Gummies, Injections, Powder, and Other Liquid Solutions), By Application (Osteoporosis, Rickets, Muscle Weakness, Skin Diseases, Autoimmune Disorders, and Others), By Age Group (Children, Adults, and Geriatric), By Gender (Female and Male), By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, and Online Pharmacies), By End User H(ospitals, Specialty Clinics, Homecare Settings, Rehabilitation centers, and Others (Academic and Research Institutions)), By Geography (North America, Europe, Asia Pacific, Latin America, Middle East, and Africa)