Nutritional supplements containing blueberries and green tea improves cognitive performance in the elderly.

blueberry is viewed as a fact of life for many elderly people. Research has focused on finding new therapies to lessen the decline in as a result of aging.

A new study, published in the issue of Rejuvenation Research, by the (USF) has investigated the application of a formula high in antioxidants and other natural components, which demonstratively impacted at the rate at which elderly people processed information. The supplement was tested on 105 healthy adults aged 65-85.

The nutritional supplement contained extracts from and green tea combined with vitamin D3 and amino acids, including carnosine. , a major ingredient in the supplement, are rich in polyphenols, a type of antioxidant containing a polyphenolic, or natural phenol substructure.

“After two months, test results showed modest improvements in two measures of cognitive processing speed for those taking NT-020 compared to those taking placebo,” said Brent Small, PhD, a professor in USF’s School of Aging Studies. “Processing speed is most often affected early on in the course of cognitive aging. Successful performance in processing tasks often underlies more complex cognitive outcomes, such as memory and verbal ability.”

“The basis for the use of polyphenol-rich as a moderator of age-related is the age-related increase in oxidative stress and ,” said study co-principal investigator Paula C. Bickford, PhD, a professor in the Department of Neurosurgery and Brain Repair, USF Health Morsani College of Medicine, and senior research career at the James A. Haley Veterans’ Hospital in Tampa. “Non-vitamin polyphenols are the most abundant modulators of oxidative stress and in our diet. NT-020 is 95 percent polyphenols.”

Source

Brent Small, Kerri Rawson, Christina Martin, Sarah Eisel, Cindy D Sanberg, Cathy McEvoy, Paul Sanberg, R. Douglas Shytle, Jun Tan, Paula C Bickford. Nutraceutical Intervention Improves ’ Cognitive Functioning. Rejuvenation Research, 2013; 131017084344003 DOI: 10.1089/rej.2013.1477

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