Level 1: Nutritional value of guava 1. Nutritional information of guava Guava is a nutritious fruit. It is rich in vitamin C, vitamin A, potassium, magnesium and other trace elements, and also contains a variety of beneficial substances. Such as flavonoids and polyphenols. 2. Benefits of guava to the body: Eating guava can help improve immunity and prevent colds and other common diseases. Additionally, it promotes digestive health, lowers cholesterol levels,