Acerola is a tropical fruits in Amazon rainforest in South America. It is also known as the Barbados Cherry, Antillean Cherry or Sour Cherry. Acerola grows on a small tree and turns a shade of red when it ripens. It is an excellent source of antioxidant, which can boost our immune system. It is one of nature’s largest sources of natural vitamin C. It also contains carotenoids, anthocyanins, phenolic acids, vitamins and minerals.