Unripe bananas can cause constipation as they contain a lot of starch, which is tough for the body to digest well. Bananas also contain a lot of fibre pectin that draws water from the intestines. It can make you even more constipated if you are dehydrated.
2. Nutrient imbalance
Your body needs a balanced assortment of nutrients to function well. If bananas dominate your diet, your stomach has little space for other healthy foods. According to the USDA guidelines, you should get two cups of fruit per day, which equals to about large bananas. This leaves room for adding vegetables, grains, protein, et al in your diet.
3. Excessive fiber may cause digestive problems
Moderate amount of fiber is good for your digestion. Consuming large quantities of fiber can cause abdominal cramps, gas, bloating. In fact, excessive fiber may interfere with the absorption of minerals like calcium and iron.
Bananas are high-calorie foods. While banana makes a good snack, consuming more than two bananas can definitely pack up more than 300 calories. Therefore, it is better to stick to only two bananas, if you are not eating any other fruit through the day.
Bananas contain tryptophan, the amino acid that is known to help you sleep better. Carbohydrates in bananas are said to block amino acids from entering the brain, so there is an influx of tryptophan that may lead to an increase in the production of serotonin, which is another trigger for sleepiness. It also comprises magnesium that relaxes muscles, which can be another trigger.
6. Dental health problems
Banana is a sugary fruit; even if it contains natural sugars, it does bring some harm to your dental health. One of the most common problems by eating, too, much sugar is tooth decay. The acid from eating, too, many bananas can eat away your tooth enamel, further damaging your dental health.
7. Barely contains fat
Bananas have no fat, which makes it a good fruit to lose weight; however, everyone needs some amount of fat in their diet. Dietary fat is essential to brain development and good health. So, ensure combining it with foods that have healthy fats