Vingraf 0.5 mg Suppliers in Chennai (Hospital Suppliers) is a capsule containing the immunosuppressant drug tacrolimus, used to prevent organ rejection after a transplant. It works by suppressing the activity of T and B lymphocytes, which are immune cells that could attack the transplanted organ. This medication is typically used in conjunction with other immunosuppressants, and it's crucial to take it as prescribed by a doctor to minimize the risk of rejection.