Could your favorite guilty pleasure be good for your brain? According to a recent review published in Frontiers in Nutrition, cocoa flavanols—natural compounds found in the cocoa bean—may have significantly boost brain health and have cognitive benefits. Researchers from the University of L’Aquila in Italy examined existing studies on cocoa flavanol consumption and found promising results, particularly for memory, attention, and cognitive performance.
A Short-Term Brain Boost and Brain Health
One of the review’s key findings was that consuming cocoa flavanols may enhance cognitive function within just a few hours. While research on this immediate effect is limited, studies suggest that participants who consumed cocoa flavanols performed better in memory and visual processing tasks.
Interestingly, one study found that women who ate cocoa after a night of total sleep deprivation showed improved cognitive function compared to those who did not. This suggests that cocoa flavanols could temporarily counteract some of the adverse effects of sleep loss—a potential breakthrough for shift workers or individuals who frequently experience sleep disruptions. Brain Health.
However, the study noted that these effects were most noticeable when participants were given complex cognitive tasks. Young, healthy adults may not experience a significant boost unless they are engaging in mentally demanding activities.
Long-Term Benefits for Older Adults
The effects of cocoa flavanols may be even more promising when consumed regularly. The researchers reviewed studies examining daily cocoa flavanol intake over five days to three months. The results showed that older adults, particularly those experiencing mild cognitive decline, benefited the most. Improvements were observed in working memory, attention, verbal fluency, and processing speed.
One possible explanation for these effects is that cocoa flavanols have been linked to improved cardiovascular health and increased blood flow to the brain. The study highlighted their impact on the dentate gyrus, a part of the hippocampus associated with age-related memory decline.
Should Chocolate Become a Brain Supplement?
While these findings are encouraging, researchers caution against assuming all chocolate products provide cognitive benefits. Many commercial chocolates are high in sugar, fats, and other additives, which could outweigh the positive effects of cocoa flavanols. Additionally, chocolate contains compounds such as caffeine and theobromine, which may not be suitable for everyone.
Still, the study suggests incorporating flavanol-rich cocoa into a balanced diet could benefit cognitive health, especially in aging populations. As research continues, cocoa flavanols could become a key area of interest for those looking to support brain function naturally.
Reference: Valentina Socci, Daniela Tempesta, Giovambattista Desideri, Luigi De Gennaro, Michele Ferrara. Enhancing Human Cognition with Cocoa Flavonoids. Frontiers in Nutrition, 2017
