Miracle fruit is a tropical plant native to Ghana, Nigeria and Congo in West Africa. Miracle Fruit contains Miraculin, a special protein that temporarily makes the tongue register sour tastes as sweet tastes.(After eating the miracle fruit, anything sour may taste sweet. Chew the berry for 30 sec. or moving the berry around your mouth before eating anything sour. Don't chew or swallow the seed of miracle fruit. It's bitter )In traditional African medicine the fruit isused to treat various ailments such as diabetes, male infertility, gout and so on.