Type 2 diabetes: This popular sugar-alternative could be key weapon in fighting condition

All those who suffer from type 2 diabetes are in a constant tug of war with their blood sugar levels (in other words, blood glucose). Managing the condition requires being mindful of what you eat and drink. When you crave a little bit of sweetness in your life, research has shown that there’s a certain sweetener that can help control blood sugar levels.

Dr Grace Farhat, a lecturer from Liverpool Hope University in food science and nutrition, revealed: “Stevia – a naturally-occurring sweetener – could be a new player against obesity and diabetes.”

Stevia is a plant-based alternative to sugar that has been used by the indigenous people of South America for thousands of years.

“Previous studies have suggested certain non-nutritive (also known as artificial) sweeteners may increase appetite while also altering the make-up of the gut bacteria, resulting in several human conditions such as obesity and diabetes,” added Dr Farhat.


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In her experiment, test subjects were asked to drink either plain water, water mixed with 60g of sugar, or water mixed with just 1g of stevia sweetener (a non-nutritive sweetener), before having an unlimited pizza lunch half an hour later.

“We wanted to see if stevia led to people eating more, because that’s the presumption when there’s sweetness without the calories,” said the doctor.

The non-nutritive sweetener (stevia) adds a sweetening effect without adding carbohydrates or calories.

“But what we found was that there was no difference in food intake between stevia, water or sugar,” continued Farhat.

“People ate the same amount of food after these different preloads.”

This finding suggests stevia doesn’t increase your appetite to compensate for the lack of calories, like some other sweeteners.

“What’s also important,” added Farhat, “is to note that those who consumed stevia were less hungry than when they just had plain water.

“It shows we can reduce hunger without the need for consuming more calories.

“And that’s important, because if we’re going to control diabetes and obesity we need to control appetite and blood sugar levels.

Results such as these reveal that consuming stevia will help prevent people from overeating – and consuming more carbohydrates – which affects blood sugar levels.

With the NHS spending £14 billion each year – 10 percent of its overall budget – treating diabetes and its complications, and an estimated 1.2 million increase in the number of people suffering from the condition by 2030, this breakthrough study gives a glimmer of hope to more easily controlling blood sugar levels.

Dr Farhat added: “While further studies are needed, our research shows stevia could be a promising option when it comes to controlling energy intake.

“Therefore, it could have a beneficial effect when it comes to obesity and diabetes.”

Published in the journal Nutrients, Dr Farhat concluded: “Stevia lowers appetite sensation and does not further increase food intake and post-lunch glucose levels.

“It could be a useful strategy in obesity and diabetes prevention and management.”

Diabetes UK has reported that stevia is 200–300 times sweeter than sugar and is heat stable, so it can be used in cooking and baking.

The charity added: “It’s a personal choice whether you decide to use sweeteners or not.

“If you decide to use sweeteners, but you’re unsure, speak to your diabetes healthcare team for individual advice.”

Dietitian Emma Carder, as seen on the NHS website, states: “Research into sweeteners shows they’re perfectly safe to eat or drink on a daily basis as part of a healthy diet.

“Like sugar, sweeteners provide a sweet taste, but what sets them apart is that, after consumption, they do not increase blood sugar levels.”

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