These tasty herbs are storehouses of vitamins such as vitamin A, vitamin K, niacin, and riboflavin. Vitamin A improves eyesight and helps us see in the dark. It may also reduce the risk of certain cancers. This essential vitamin helps our body fight off infection and retains our immunity system. Vitamin K plays a vital role in bone health. It lowers the risk of blood clotting. Niacin protects against cardiovascular diseases and also supports cognitive functions, the nervous and digestive system. Riboflavin, also called vitamin B2, helps the body to convert food into fuel that keeps us energetic. It is also known to support adrenal function. Thus it helps to maintain a healthy nervous system.