Grapefruit is one of our biggest fruits here. Its size is usually large. And there are many types of grapefruit. Grapefruit is white inside, red inside. It’s a food that tastes a little sour, but very tasty. Sorry it's not food, it's called fruit. A very tasty fruit. And a very useful fruit. It contains a lot of vitamin C. Which boosts the immune system in our body.