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Dietary supplement found to improve concentration levelsUniversity of Granada, November 3, 2022

The research group from the University of Granada (UGR) has tested the effects of a multi-ingredient dietary nootropic on concentration levels and cognitive performance. Nootropics are cognitive enhancers that have traditionally been used in the treatment of cognitive pathologies.

Leading this study was Lucas Jurado Fasoli—a researcher from the Scientific Unit of Excellence in Exercise, Nutrition and Health (UCEENS) at the Sport and Health Joint University Institute (iMUDS). He explains that, traditionally, nootropics have been drugs, with their corresponding side-effects.

“To address the issue of potential side-effects, different dietary nootropics have emerged as an alternative way to enhance cognitive performance. And these, as is the case in this study, are used by healthy individuals in activities such as preparing for competitive exams or video-game competitions,” explains Jurado Fasoli.

The results of the study showed that the acute intake of this multi-ingredient nootropic decreases the response time across different cognitive tests: in processing speed, inhibitory control, working memory, and cognitive flexibility. It also increases accuracy in tests involving processing speed, inhibitory control, and cognitive flexibility. The supplement contains L-tyrosine, acetyl L-carnitine, sodium citicoline, alpha-GPC, taurine, caffeine, mango leaf extract and huperzia serrata leaf.

These results were accompanied by an increase in positive emotions and a decrease in negative emotions and depression. And, importantly, the favorable effects of this nootropic did not appear to have any effect on the heart-rate of participants.

Previous studies have shown that supplementation with the combination of caffeine and taurine, L-theanine, tyrosine, and mango leaves extract can improve the RT in different cognitive and computerized tests. In this study, we showed that a dietary multi-ingredient nootropic improves the processing speed of information in young healthy adults. This effect could be due to the synergic effects of different dietary ingredients included in the nootropic. Also, it could be partially explained by the central nervous system activation and alertness enhancement effect of caffeine, which could increase the processing speed and decrease the RT. The inclusion of L-theanine as a dietary ingredient in the nootropic counteracts the potential effects derived from a high dose of caffeine on anxiety, psychological stress, blood pressure, and HR, which completely agrees with our results.

A sample comprising 26 young adults (50:50 male/female, with an average age of 25) participated in the study. They were required to undertake various cognitive tests twice, separated by 48 hours, having ingested either the multi-ingredient dietary nootropic or a placebo (randomized and triple-blinded across the sample).

Thirty minutes after ingestion, measurements were taken of processing speed, inhibitory control, working memory, cognitive flexibility, creativity, and verbal fluency. Different emotions were also evaluated and the participants’ heart-rate was recorded while they undertook the tests.

Consuming more magnesium associated with lower risk of mortality during years following heart attackWageningen University and Research (Netherlands), October 31, 2022

A study of people with a history of heart attack found that those who consumed more magnesium lived longer than those whose intake was low. Having a high magnesium intake, defined as greater than 320 milligrams (mg) per day, was associated with a 28% lower risk of dying from cardiovascular disease and a 22% lower risk of death from an