What We Know About the Health 

Benefits of Fruit,"
In lab and human studies, bromelain, an enzyme extracted from pineapple, eased the swelling and inflammation associated with rheumatoid arthritis, tendonitis, bursitis, soft-tissue injuries, inflammatory conditions in the colon and even chronic pain.Pineapple is also a rich source of vitamin C, and it contains substances that keep bones strong and promote digestion. One cup of pineapple chunks, for example, contains about 24 mg of vitamin C. Juice is even better: a glass of pineapple juice contains 60 mg of C.