Red Guava Plant (Beetroot Guava) ... Note: Images are for reference purposes only. The actual product may vary in shape or appearance based on climate, age, ...The fruit is commonly eaten fresh or made into beverages, jams, and other foods. Various parts of the plant, including the leaf and the fruit, are used as medicine. People use guava leaf for stomach and intestinal conditions, pain, diabetes, and wound healing. The fruit is used for high blood pressure.