Did you know that green tea can actually benefit people with diabetes, and those trying to prevent it?

What is Diabetes?

Diabetes is a chronic condition in which the levels of glucose (sugar) in the blood are too high. Blood glucose levels are normally regulated by the hormone insulin, which is made by the pancreas. In people with diabetes, the pancreas doesn’t produce enough insulin or there is a problem with how the body’s cells respond to it. (*)

How Common Is Diabetes?

Diabetes is an epidemic affecting over 1 million Australians.

Every day, 280 people are being diagnosed with this disease. (**)

How Does Diabetes Affect A Person’s Life?

Diabetes can be a devastating to a person’s life, putting an individual at a much higher risk of long-term problems affecting the eyes, kidneys, heart, brain, feet, and nervous system.

If poorly managed, diabetes can result in limb amputations, blindness and even death.


How Can Green Tea Assist In The Prevention and Management of Diabetes?

Epidemiological studies suggest the possibility of green tea being a novel strategy for treatment or prevention of obesity and diabetes, which are closely related.

A Japanese study (2006) demonstrated that people who drank up to 6 cups of green tea per day were 33% less likely to develop Type 2 Diabetes than people who consumed under 1 cup per week. (1.) This is HUGE!

Furthermore, a Taiwanese study (2003) confirmed that subjects who had habitually consumed green tea for more than 10 years showed lower body fat composition and smaller waist circumference. (2) This is important as obesity is tightly linked to diabetes.

How Does Green Tea Affect Blood Sugar?


Green Tea contains high amounts of polyphenols (antioxidants).

Polyphenols are known to have anti-oxidative properties which can help protect against inflammation and carcinogens.

In other words, the properties in tea can help to prevent Type 2 Diabetes as well as cancer.

Epigallocatechin gallate (EGCG), is a polyphenol, and is the most abundant form of catechin in green tea. It has been known to be the main attributable factor of beneficial effects of green tea.

Through a complex biochemical reaction, EGCG in green tea helps sensitise cells so they are better able to metabolise sugar.

How Else Does Green Tea Help With Diabetes?

Drinking tea for diabetes is a good idea because tea contains substances called polyphenols, which help to support many of the body’s systems.

“Polyphenols help reduce oxidative stress and cause vasodilation (widening of the arteries), which decreases blood pressure, prevents clotting, and reduces cholesterol,” Dr. Steinbaum, (Heart Book, Every Woman’s Guide To Heart-Healthy Living.)

Green tea consumption is associated with reduced mortality due to all causes and cardiovascular disease as well [3].

Randomised controlled trials have indicated that green tea is effective in decreasing blood pressure, low density lipoprotein cholesterol, oxidative stress, and a marker of chronic inflammation [4].

How Much Green Tea Do I need To Drink?

Studies have shown that the therapeutic dose of polyphenols is between 300 – 1000mg per day for a wide range of health benefits. So how many cups if this?

If you’re drinking green tea, there can be a great deal of variability in the content of bioactive compounds including polyphenols depending on how the tea leaves were processed prior to drying, the geographic location and growing conditions, the tea type (decaffeinated, instant, etc.), and preparation method (amount used, brew time, temperature).

Polyphenol values can vary from 5mg to 180mg pr cup. This means you may need to drink 10 or more cups of tea to get the best results!

Green Tea in 3 and Water BottleThis is where Green Tea in 3 Seconds (GTI3) comes in. 

GTI3 is a pure, organic green tea extract that comes in individual sachets, and each sachet contains 265mg of polyphenols, with precisely 106mg of EGCG.

So, rather than drinking 10 + cups of brewed green tea, you can simply have two or more sachets of Green Tea in 3 per day for the health benefits!

Additionally, GTI3 is more readily absorbed by the body than traditionally brewed tea, so you’re receiving a higher percentage of the benefits each time.

So, if you’re trying to prevent the onset of diabetes, or manage your existing condition effectively, you would do well to include green tea in your daily strategy, not just for the benefits in controlling blood sugar, but for overall health and wellbeing!



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1. The relationship between green tea and total caffeine intake and risk for self-reported type 2 diabetes among Japanese adults. Iso H, Date C, Wakai K, Fukui M, Tamakoshi A, JACC Study Group Ann Intern Med. 2006 Apr 18; 144(8):554-62.

2. Relationship among habitual tea consumption, percent body fat, and body fat distribution. Wu CH, Lu FH, Chang CS, Chang TC, Wang RH, Chang CJ. Obes Res. 2003 Sep; 11(9):1088-95.

3. Green tea consumption and mortality due to cardiovascular disease, cancer, and all causes in Japan: the Ohsaki study. Kuriyama S, Shimazu T, Ohmori K, Kikuchi N, Nakaya N, Nishino Y, Tsubono Y, Tsuji I JAMA. 2006 Sep 13; 296(10):1255-65.

4. Nantz MP, Rowe CA, Bukowski JF, Percival SS. Standardized capsule of Camellia sinensis lowers cardiovascular risk factors in a randomized, double-blind, placebo-controlled study. Nutrition.2009;25:147–154.

Jodie Fergusson-Batte  (B. Nursing)

Written by  Jodie Fergusson-Batte
(Bachelor of Nursing, Green Tea in 3 Founder)