Food & Diabetes Search
Search any food to understand its impact on your blood sugar — see carbs, protein, fat, fiber, glycemic index, and more.
https://www.bluecircle.foundation/food/banana-shake
Download the Full Metabolic Intelligence Report (PDF)
Get the complete blood sugar strategy, portion guidance, CGM rise model, and insulin execution plan in a clean, printable format.
Banana shake
CARBS
25g
PROTEINS
1.3g
FATS
0.4g
Not advisable for a low-carb diabetes approach.
Quantity: 200ml
Glycemic Index: 51
Glycemic Load: 12.75
Fiber: 1.3g
Key Nutrients: Vitamin C, potassium, vitamin B6
Health Impact: The high carbohydrate content in banana shake can lead to a rapid increase in blood sugar levels, requiring a corresponding insulin response. The lack of protein and fats can further contribute to quick digestion and absorption of sugar.
💉 Suggested Bolus
Pair with a source of protein or healthy fats, consider reducing portion size, or opt for a lower-carb alternative.
⏱ Blood Sugar Timeline
- 0–15 min: It is likely to cause a rapid spike in blood sugar due to the high natural sugar content of bananas.
- 30–60 min: Blood sugar levels may still be elevated.
- 2–3 hr: Blood sugar levels might start to normalize but could remain higher than desired.
“In the low-carb diabetes community, it is generally advised to avoid high-sugar fruits like bananas in shakes to better manage blood sugar levels.”
— BCDF community member
— BCDF community member
🧠 Lowering Impact Tip
Consider reducing the quantity of banana or adding a source of protein or healthy fats to slow down the absorption of sugar.
Download the Full Metabolic Intelligence Report (PDF)
Get the complete blood sugar strategy, portion guidance, CGM rise model, and insulin execution plan in a clean, printable format.
From the blog
Empowering the diabetes community with expert insights, support, and resources.