It contains folic acid, a vitamin that supports many essential metabolic functions in the body like DNA synthesis & the production of red blood cells. It can be provided as an occasional treat or snack. It also helps with digestion and sometimes acts as a laxative to help cats push out hairballs or other ingestible food. WIth some sunlight and water, you can easily grow this grass indoors. This cat grass is a grass mixture grown from seeds like wheat, barley & oats. Buy cat grass kits from ShakeHands, the leading pet store.