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Fruits and vegetables are important sources of nutrients that support a healthy body and mind. Several researchers have studied the effects of all different kinds of fruits and vegetables to analyze which ones might be more vital to overall health. In a new study, researchers discovered that eating kiwifruit, simply known as kiwi, daily could improve mood while boosting energy levels.

Researchers from the University of Otago, Christchurch (UOC) recruited 54 healthy young male students from the University. Even though the men were considered to be healthy, they consumed very little fresh fruit and had vitamin C levels that were below the desired amount. The researchers gave two kiwis a day to some of the participants while others did not include this fruit to their diet.

The researchers discovered that people who ate two kiwis a day reported feeling less fatigue and felt that they had more energy. This group of men also stated having less depressive symptoms each day. The researchers reasoned that the benefits of kiwis could be attributed to the high vitamin C content.

"The two kiwifruit per day ensured that the study group's vitamin C levels were optimal, and this was needed to see an effect on mood and energy. The amount of vitamin C required for this is higher than the current recommended intake. Our study provides good evidence to support the view that there are measureable health benefits to be obtained from eating a good amount of fruit and vegetables daily. For best benefit, it is important to include high vitamin C foods in your daily diet," Professor Margreet Vissers said according to Medical Xpress.

The research was funded by the Ministry of Business, Innovation and Employment, the University of Otago and Zespri International. The study was published in the Journal of Nutritional Science.