Dietary Supplement Boosts Cognitive Function in Vegetarians
Vegetarians showed greater visual memory gains than meat eaters after taking creatine
Orlando, Fla. (April 8, 2019)—Vegetarians who take the dietary supplement creatine may enjoy improved brain function, according to a new study. The research will be presented today at the American Physiological Society’s (APS) annual meeting at Experimental Biology 2019 in Orlando, Fla.
Creatine is a chemical stored in the muscles and brain that helps build lean muscle. In addition to being produced by the human body, creatine is also naturally occurring in red meats and seafood—and in smaller amounts, dairy products. People who do not eat animal products generally have lower creatine levels in the brain than those who consume meat.
Researchers from Stetson University in Florida studied vegetarian volunteers as well as those who ate either up to 10 or 10 or more servings of beef, chicken, pork or fish each week. The volunteers were split into two groups selected randomly. One group took a daily creatine supplement for four weeks, and the other group did not. Before and after the trial, all participants took the ImPACT test, a widely used standardized measure of neurocognitive function. The vegetarian supplement group scored higher on the ImPACT test than the group that ate 10 or more servings of meat, poultry or seafood per week. “Meat eaters did not show any significant improvement of cognition following supplementation because [their] creatine levels were already elevated [from their diet],” explained Kaitlyn Smith, first author of the study.
“This is a pilot study for future research in the field of cognition, and specifically in vegetarians, as [there is] a shift to meat- and dairy-free alternatives in society,” Smith added.
Kaitlyn Smith, an undergraduate student at Stetson University, will present the poster “Effect of creatine-monohydrate on cognitive function in subjects who differ in dietary meat consumption” on Monday, April 8, in the Exhibit Hall-West of the Orlando County Convention Center.
NOTE TO JOURNALISTS: To schedule an interview with a member of the research team, please contact the APS Communications Office or 301-634-7209. Find more research highlights in the APS Press Room.
About Experimental Biology 2019
Experimental Biology is an annual meeting comprised of more than 14,000 scientists and exhibitors from five sponsoring societies and multiple guest societies. With a mission to share the newest scientific concepts and research findings shaping clinical advances, the meeting offers an unparalleled opportunity for exchange among scientists from across the United States and the world who represent dozens of scientific areas, from laboratory to translational to clinical research.
Physiology is the study of how molecules, cells, tissues and organs function in health and disease. Established in 1887, the American Physiological Society (APS) was the first U.S. society in the biomedical sciences field. The Society represents more than 10,500 members and publishes 15 peer-reviewed journals with a worldwide readership.