Consuming moderate amounts of acai berries has no known side effects and is likely safe, according to WebMD. Individuals who are allergic to pollen or other berries may experience an allergic reaction to acai berries. Due to lack of information, pregnant or nursing women should avoid acai berries.
Research has linked consuming raw acai berry juice to outbreaks of Chagas disease, or American trypanosomiasis, states WebMD. Chagas Disease is a parasitic infection that typically causes mild symptoms, such as headache, fever, body aches and vomiting, according to the Centers for Disease Control and Prevention. If untreated, the disease can progress to a chronic phase, which sometimes leads to heart and stomach problems.
The acai berry is a reddish-purple fruit that grows on acai palm trees in Central and South America, according to WebMD. People use acai for a variety of health conditions, including osteoarthritis, high cholesterol, erectile dysfunction and obesity. While the fruit is rich in antioxidants, research shows that consuming acai berries is no more beneficial than consuming similar fruits, such as cranberries, raspberries or strawberries. Because of their high antioxidant levels, acai berries are also used in beauty products, such as shampoos, conditioners, anti-aging treatments, face creams and body creams.