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Diabetes | Flavonoids Favorable for Reducing Diabetes Risk
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Instead of soda and sugary fruit beverages, try green, black, or white tea.

Flavonoids Favorable for Reducing Diabetes Risk

Since the 1980s, the world’s population has aged and people have become heavier, leading to notable increases in type 2 diabetes rates. Fortunately, making healthier food choices and engaging in regular physical activity go a long way toward reducing diabetes risk, and preventing complications in those who already have the disease. Health experts now report that consuming more dietary flavonoids may be another key component of a comprehensive diabetes risk management plan.

Factoring in flavonoids to uncover diet-diabetes connections

The study authors used a research method called meta-analysis to combine four previously published studies on dietary flavonoids and type 2 diabetes risk. Flavonoids are a group of nutrients found in

  • many vegetables, fruit, and legumes (beans and peas),
  • some spices and herbs,
  • green and black tea, and
  • red wine and chocolate.

The four studies created a total sample of 284,806 adults, a group in which 18,146 cases of newly diagnosed type 2 diabetes were reported. From this large pool of data, the researchers concluded that compared with adults who consumed the least flavonoids from food, those consuming the most were 9% less likely to be diagnosed with diabetes.

For every 500 mg per day increase in flavonoid intake, the risk of type 2 diabetes was reduced by 5%. These beneficial effects of flavonoids were most pronounced in people with an average age greater than 40 years, and were strongest in studies of 20 or more years’ duration.

The big picture

This study suggests that flavonoid-rich foods may protect against type 2 diabetes, though it included only observational studies and therefore cannot prove cause and effect. Still, the results agree with previous research, and with the overall science on diet and type 2 diabetes risk: enjoying more plant foods and beverages made from plants, such as tea, appears to reduce the risk of developing type 2 diabetes.

Our healthy lifestyle tips and tricks can help you put this information to work in your get-healthy, stay-healthy plan!

  • Focus on the big picture. Avoid getting bogged down in details, such as which foods have what flavonoids. The bottom line? Plant foods are tops for reducing risk of chronic diseases, including type 2 diabetes.
  • Color yourself healthy. Eat something from every color group frequently. Think white (onions and cauliflower); purple, red and blue (berries); green (kale, chard, broccoli, and more), and yellow-orange (carrots, melons, and oranges). You don’t need to eat every one of these colors every day, just include them all regularly.
  • Drink up. Instead of soda and sugary fruit beverages, try green, black, or white tea. Enjoy tea iced in the summer and hot in the winter.
  • Juice smartly. If you drink juice, have a maximum of 6 ounces daily, make it 100% fruit juice; and remember that the darker the color — try grape, blueberry, blackberry and cherry — the better.
  • Walk it off. Along with nutrition, exercise is a powerful tool for reducing diabetes risk. A simple 20- to 30-minute brisk walk daily can significantly improve health for people looking to avoid — or better manage — type 2 diabetes.

(Clin Nutr 2013; doi:http://dx.doi.org/10.1016/j.clnu.2013.03.011)

Suzanne Dixon, MPH, MS, RD, an author, speaker and internationally recognized expert in chronic disease prevention, epidemiology and nutrition, has taught medical, nursing, public health and alternative medicine coursework. She has delivered over 150 invited lectures to health professionals and consumers and is the creator of a nutrition website acclaimed by The New York Times and Time magazine. Suzanne received her training in epidemiology and nutrition at the University of Michigan, School of Public Health at Ann Arbor.

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The health information contained in this site is not intended as medical advice and should not be considered a substitute for appropriate medical care. Any products mentioned in studies cited in Healthnotes articles are not necessarily endorsed by Bastyr. As with any product, consult with a natural health practitioner to discuss what may be best for you.

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