In fact, heartburn, diarrhea, reflux, and bloating are all potential side effects of eating too much fruit, according to Bruning. The idea of eating that many blueberries over the course of one day might make a competitive eater queasy.Click to see full answer. Keeping this in consideration, how many blueberries can I eat a day?Eating 150g of blueberries daily reduces the risk of cardiovascular disease by up to 15 per cent. The research team say that blueberries and other berries should be included in dietary strategies to reduce the risk of cardiovascular disease — particularly among at risk groups.Also, how much fruit a day is too much? Though it’s possible to eat healthy while eating very little or a lot of fruit, the ideal amount lies somewhere in the middle. The general recommendation for fruit and vegetable intake is at least 400 grams per day, or five servings of 80 grams ( 49 ). Considering this, what happens if you eat blueberries everyday? A daily bowl could protect against obesity, heart disease and diabetes. A bowl of wild blueberries a day could protect against a range of health problems including obesity, heart disease and diabetes. Berries are rich in polyphenols – antioxidants that protect cells in the heart and help lower blood pressure.Are blueberries toxic?Strawberries, blueberries, and raspberries are commonly available in grocery stores, but many equally delicious berries are abundant in the wild. However, some wild berries contain toxic compounds. If eaten in high amounts, they may cause uncomfortable symptoms or even be fatal.