Standardized Grape (<i>Vitis vinifera</i> L.) Extract Improves Short- and Long-Term Cognitive Performances in Healthy Older Adults: A Randomized, Double-Blind, and Placebo-Controlled Trial.

Moreover, an acute effect was observed in selective attention which improved 8.8% within 90 min of ingesting the first dose of Cognigrape ® , an improvement which was highly significant compared to placebo ( p = 0.001).

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