At a glance
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A Randomized, Double-blinded, Placebo-controlled, Crossover Study, to Assess the Synergistic Effects of a Cranberry Beverage on Cognitive Function
In Brief
A clinical study evaluating Cranberry Juice Product for Attention and Mood. Completed, enrolled 25 participants across 1 site.
Detailed Summary
This study aims to determine the effect short-term dosing (7 days) of a placebo beverage, cranberry juice, cranberry juice + lemon balm extract, cranberry juice + tart cherry powder, or cranberry juice + L-theanine or L-theanine beverage on cognitive function and mood in healthy adults (18-45 years). The study will include measures of attention, alertness, performance, and mood/stress.
Study Details
Timeline
Interventions
The cranberry juice product contains 100 % cranberry juice (ingredients: water, cranberry juice concentrate) The cranberry juice + lemon balm extract product contains 100 % cranberry juice (ingredients: water, cranberry juice concentrate) + lemon balm extract (300 mg, Robertet Groupe) The cranberry juice + tart cherry juice product contains 100 % cranberry juice (ingredients: water, cranberry juice concentrate) + 3 g tart cherry powder (Cherry PURE) The cranberry juice + L-theanine product contains 100% cranberry juice (ingredients: water, cranberry juice concentrate) + 200 mg L-theanine (Suntheanine, Taiyo International) L-theanine + placebo product contains L-theanine (200 mg, Suntheanine, Taiyo International) + placebo (see 5.2.1) The placebo product contains water, dextrose, citric acid, malic acid, fumaric acid, natural flavor, Red #40, xanthan gum, Blue #1, gum Arabic, Reb M, Steviol glycosides, and ester gum.