Multi-HD Injection is a multivitamin formulation containing Methylcobalamin (1000mcg/2ml), Niacinamide (100mg/2ml), and Vitamin B6 (Pyridoxine) (100mg/2ml). This combination aims to support the maintenance of normal nerve function and the reduction of tiredness and fatigue. Methylcobalamin, a form of Vitamin B12, contributes to the normal function of the immune system and psychological function. Niacinamide, a water-soluble vitamin (B3), is essential for the energy-yielding metabolism and the normal functioning of the nervous system. Vitamin B6 (Pyridoxine) is involved in the process of cell division, protein and glycogen metabolism, and the formation of red blood cells. The Multi-HD Injection is intended for intramuscular administration, providing a comprehensive nutritional support for individuals requiring supplementation in these essential vitamins.