Guava contains dietary fats which help to clean toxins from the colon. Thus it reduces the effects of toxin in the colon and protect from colon cancer. guava (Psidium guajava) is a fruit which is wellliked for its unique taste and flavor. Bursting with nutrients and antioxidants, this fruit fits perfectly into the category of super fruits. When ripe, guava has a creamy texture and gives out a sweet and musky aroma. The color of the flesh may vary from pink to yellow to red. Inside the flesh you can find numerous tiny seeds that are also edible. Guava juice is enjoyed as a delicious drink in many parts of the world. All parts of the fruit including the rind and seeds are edible and highly nutritious too.