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Kiwifruit Consumption Boosts Mood and Vitality in Days, Study Finds

The study underscores the potential benefits of consuming whole foods over supplements, with kiwifruit showing significant mood-related improvements within four days.

Fruit salad
Fletcher et al. suggest that kiwifruit consumption, and to a lesser extent vitamin C supplementation, can lead to mood-related improvements in a relatively short period of time (from 4 to 16 days), even in a relatively healthy population with good mental health. Image credit: Photo Mix.
However, Professor Conner says limited research has assessed how quickly mood improvements occur after introducing vitamin C supplements or whole food sources. Credit: Neuroscience News

Overview

  • Kiwifruit consumption can improve vitality and mood in as little as four days, according to a study by researchers from the University of Auckland and the University of Otago.
  • The study involved an 8-week dietary intervention in 155 adults with low vitamin C, who were given either a vitamin C supplement, placebo, or two kiwifruits daily.
  • Participants reported their vitality, mood, flourishing, sleep quality, sleep quantity, and physical activity using smartphone surveys.
  • Kiwifruit supplementation improved vitality and mood within four days, peaking around 14-16 days, and improved flourishing from day 14.
  • While vitamin C tablets showed some improvements, the study underscores the potential synergistic effects of consuming whole foods like kiwifruit.