topicBlackcurrant Extract Exercise Performance Randomized Trial
claimResults Caffeine intake increased average sprint speed ( p = 0.045, η 2 = 0.345) and reduced sprint time ( p = 0.030, η 2 = 0.463) during the m-LIST protocol.
evidence level4
citationNanavati K (2026)
sourceIndividual and Additive Effects of Acute Intake of New Zealand Blackcurrant Powder and Caffeine on High-Intensity Intermittent Running Performance.
topicBlackcurrant Extract Exercise Performance Randomized Trial
claimSerum free fatty acids concentrations increased over time ( p 2 = 0.900), with a significant NZBP × time interaction ( p = 0.005, η 2 = 0.433).
evidence level4
citationNanavati K (2026)
sourceIndividual and Additive Effects of Acute Intake of New Zealand Blackcurrant Powder and Caffeine on High-Intensity Intermittent Running Performance.
topicBlackcurrant Extract Exercise Performance Randomized Trial
claimIn contrast, caffeine-containing treatments were associated with improved sprint performance and lower perceived exertion.
evidence level4
citationNanavati K (2026)
sourceIndividual and Additive Effects of Acute Intake of New Zealand Blackcurrant Powder and Caffeine on High-Intensity Intermittent Running Performance.
topicBlackcurrant Extract Exercise Performance Randomized Trial
claimBackground/objectives Consumption of New Zealand blackcurrant extract for 7 days has shown to reduce slowing of sprint speed in recreationally active males.
evidence level4
citationNanavati K (2026)
sourceIndividual and Additive Effects of Acute Intake of New Zealand Blackcurrant Powder and Caffeine on High-Intensity Intermittent Running Performance.
topicBlackcurrant Extract Exercise Performance Randomized Trial
claimBackground/Objectives : Chronic intake for 7 to 14 days of anthocyanin-rich blackcurrant extract or powder has been shown to alter cardiorespiratory and metabolic responses during rest and moderate-intensity exercise.
evidence level4
citationWillems MET (2026)
sourceAcute Effects of Anthocyanin-Rich Blackcurrant Extract on Individual Cardiovascular and Metabolic Responses During Supine Rest and Moderate-Intensity Walking in Healthy Men.
topicBlackcurrant Extract Exercise Performance Randomized Trial
claimWhether the observed effects were due to the final intake on the day of testing is not known.
evidence level4
citationWillems MET (2026)
sourceAcute Effects of Anthocyanin-Rich Blackcurrant Extract on Individual Cardiovascular and Metabolic Responses During Supine Rest and Moderate-Intensity Walking in Healthy Men.