K-NAT Injection is a nutritional supplement used in the treatment of vitamin K deficiency. It is an important nutrient that helps the blood to clot and prevent excessive bleeding in addition to other health benefits. K-NAT Injection is given under the supervision of a healthcare professional and should not be self-administered. You should take it regularly to get the most benefit from it. This medicine may be only part of a complete program of treatment that also includes making changes to your diet and taking calcium and vitamin supplements. Learn about the foods you should eat to make sure you get enough calcium and vitamin D in your diet. This medicine may cause few common side effects such as taste change, bluish discoloration of the skin, breathlessness, flushing, increased bilirubin in the blood, decreased blood pressure, and itching. If any of these side effects persist or get worse, let your doctor know. Before taking this medicine, tell your doctor if you have any problems with your heart, kidney, or liver disease. Some other medicines can decrease the absorption of vitamin K or interact with it, so let your doctor know all other medicines you are taking to make sure you are safe. It is important to ask the advice of your doctor before taking any vitamin supplements.