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Fruit Smoothies and Type 2 Diabetes: A Doctor’s Warning
Fruit smoothies offer a revitalizing dose of vitamins and fiber, aiding in achieving the advised daily consumption of five servings of fruits and vegetables. However, a diabetes expert cautions that this seemingly “wholesome” beverage can be surprisingly abundant in sugar. For those managing blood sugar levels, understanding the impact of smoothies on type 2 diabetes is crucial.
The Sugar Content in Smoothies
Dr. David Cavan, author of “Managing Type 2 Diabetes: A guide to reducing symptoms and improving your health,” asserts that smoothies possess a sugar concentration comparable to that of Coca-Cola.
“Regardless of the ‘natural’ source of the sugar (originating from fruit), it remains sugar and significantly affects glucose and insulin levels in your bloodstream.”
Understanding Type 2 Diabetes
Type 2 diabetes is a long-term condition frequently associated with lifestyle choices and dietary habits.
It arises when the body’s insulin production is insufficient, leading to elevated blood sugar levels. Managing blood sugar with type 2 diabetes is key to overall health.

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Fruits naturally contain sugars that become concentrated in smoothies. Certain commercially available smoothies may also contain supplementary sugar.
Nutritional guidelines typically advise limiting fruit juice or smoothie servings to a maximum of 150ml daily.
Many smoothies available in supermarkets or restaurants exceed this recommended portion size.
The Risks of Sugary Drinks
Dr. Cavan cautioned that excessive consumption of sugary drinks, such as fruit smoothies, could endanger the well-being of diabetic individuals in remission. Choosing healthy drinks for diabetics is a vital aspect of disease management.
“I would even argue that effectively managing Type 2 diabetes becomes challenging if one continues to consume sugar in this manner.”
Alternative Options
The doctor also suggested that individuals who enjoy carbonated beverages should consider switching to diet versions that use artificial sweeteners.
- Diet Sodas: A preferable choice over regular sodas.
- Artificial Sweeteners: While not without potential issues, they present a better alternative to sugar.
A Better Choice?
He explained: “Sweeteners can also cause problems but they are a much better option than sugar.” Therefore, individuals with type 2 diabetes should be mindful of their sugar intake from all sources, including seemingly healthy options like fruit smoothies, and explore alternative beverage choices.