Guava is one of the most popular tropical fruits, loved for its crisp texture and refreshing taste. Packed with vitamin C, fiber, and antioxidants, it is often praised as a “superfruit.” However, doctors say that what guava does to your body depends greatly on how much you eat and who you are.

A powerful boost for immunity

Guava contains significantly more vitamin C than oranges. This nutrient plays a vital role in strengthening the immune system, helping the body fight infections, and supporting skin health. Regular consumption in moderate amounts may help reduce the risk of common illnesses.

Supports digestion—but not for everyone
Thanks to its high fiber content, guava can promote healthy digestion and prevent constipation. However, doctors warn that eating too much guava, especially with the seeds, may cause bloating or stomach discomfort, particularly in people with sensitive digestive systems.

Helps control blood sugar


Studies suggest that guava has a low glycemic index and may help regulate blood sugar levels. This makes it a fruit-friendly option for people trying to manage their weight or blood glucose, when eaten in reasonable portions.

Potential risks if eaten incorrectly


Medical experts caution against eating guava on an empty stomach or consuming large quantities at once. Unripe guava, in particular, may irritate the stomach and lead to abdominal pain or diarrhea.

The bottom line
Guava is undeniably nutritious, but more is not always better. Doctors recommend enjoying ripe guava in moderation and paying attention to your body’s response to get the most benefits without unwanted side effects.