Devit-3 is a sterile intramuscular ampoule containing 300,000 IU/ml of Vitamin D3 (cholecalciferol). This high-potency injectable form of vitamin D3 is designed for the treatment of vitamin D deficiency under medical supervision. This is a prescription medication that must be administered via intramuscular injection by a qualified healthcare professional. The high concentration of 300,000 IU/ml vitamin D3 makes it suitable for treating severe vitamin D deficiency when oral supplementation may not be sufficient or appropriate. As with all injectable medications, sterile conditions must be maintained during administration.