A healthy kidney and liver are essential to the functioning of other organs in the body, such as the heart, spine, and brain. Keeping this in mind, it is important to provide the body with the best nutritional care possible. There are certain foods that are recommended for improving the health and function of the kidney and liver. Read to know more about the foods that you can add to your regular meals. Cabbage Cabbages have high levels of vitamin B6 and folic acid content, which are known to protect the kidneys from infections and damage. Since cabbage is a cruciferous vegetable, they are known for the phytochemicals which help in breaking the free radicals that damage the body and are also known to cause cancer. They are also high in vitamins like K, C, and fiber. Fatty fish Omega 3 fatty acids are found in fatty fish like salmon, tuna, and other cold water fish like herring, mackerel, and sardines. These are all oily fish that are great sources of healthy fats that keep the body functioning well. According to several researchers and the National Kidney Foundation, the omega-3s found in fatty fish are responsible for keeping blood pressure in check by keeping the healthy fat in check.