Type 2 diabetes: Green tea consumption helps to lower blood sugar levels
Diabetes type 2: Dr Zoe Williams discusses high blood sugar risks
Obesity and type 2 diabetes are major public health issues worldwide, contributing to increased cardiovascular morbidity and mortality. The proportions of people with obesity and/or type 2 diabetes have increased and recently reached epidemic levels. Incorporating green tea into your diet could help to lower your blood sugar levels.
Scientists from the University of Goias in Brazil looked at how green tea and diabetes drug, metformin, worked on 120 non-diabetic overweight women.
They concluded that green tea was “superior” to metformin in improving blood sugar control in women at risk for developing the condition.
Writing in the journal Clinical Nutrition ESPEN, they said: “Green tea extract is a promising alternative for reducing type 2 diabetes risk in overweight women.”
For people already diagnosed with type 2 diabetes, green tea may be able to help manage blood sugar levels.
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According to studies, green tea consumption is associated with decreased fasting glucose levels and A1C levels, as well as reduced fasting insulin levels, which are a measurement of diabetes health.
The Pacific College of Oriental Medicine suggests that the antioxidant activity of polyphenols and polysaccharides are to credit for these benefits.
These same antioxidants are credited with anticancer, cholesterol lowering, and blood pressure management benefits.
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In a study published in the US National Library of Medicine National Institutes of Health, the effects of green tea on obesity and type 2 diabetes were investigated. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689013/
The study noted: “Green tea (Camellia sinensis) is one of the world’s most popular beverages, especially in Asian countries including Korea, China, and Japan.
“Because of the high rate of green tea consumption in these populations, even small effects on an individual basis could have a large public health impact.
“Various studies have shown the beneficial effects of green tea, not only on cardiovascular diseases but also on obesity and type 2 diabetes itself.
“In a retrospective cohort study performed in Japan, a 33 percent risk reduction of developing type 2 diabetes was found in subjects consuming six or more cups of green tea daily compared to those consuming less than one cup per week.”
The study concluded that evidence from epidemiological studies suggest the possibility of green tea being a novel strategy for treatment or prevention of obesity and diabetes.
The benefits of drinking green tea include:
- Improving insulin sensitivity
- Maintaining healthy blood pressure
- Preventing blood clots
- Reducing risk of cardiovascular disease
- Reducing risks of developing cancer
Type 2 diabetes affects almost one in ten adults in the UK and costs the NHS around £14billion a year to treat.
More than four million Britons have type 2 diabetes and another 12 million are at risk of developing the condition.
Diet and exercise are key when it comes to reducing the risk of the condition.
Aiming for at least 150 minutes of physical activities with a diet of fresh fruit and vegetables will help lower blood sugar.
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