Water & Diabetes
Low glycemic impact for the stated serving. Glycemic load of 0 per 100g.
✅ Nutrition data verified · GL 0/100g · GI None · TIER 4 ⚠️ GI: Low-Carb Estimate
GI estimated by low-carbohydrate inference — not directly tested. [1] [3]
How This Food Affects Blood Sugar
Nutrition Overview
Glycemic Load by Serving Size
| Portion | Weight | Carbs | Glycemic Load | Verdict |
|---|---|---|---|---|
| ½ Serving | 120g | 0.0g | 0.0 | Friendly |
| Standard Serving | 240g | 0.0g | 0.0 | Friendly |
| Restaurant Portion | 480g | 0.0g | 0.0 | Friendly |
GL ≤10 = Low (Friendly) · 11–19 = Moderate · ≥20 = High (Limit).
The page-level verdict is based on GL per 100g; this table shows how portion size changes the actual GL you get.
Worth Comparing
🥤 Beverages, carbonated, low calorie, cola or pepper-types, with sodium saccharin, contains caffeine
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Beverages, carbonated, low calorie, cola or pepper-types, with sodium saccharin, contains caffeine & diabetes →🥤 Beverages, OCEAN SPRAY, Diet Cran Cherry
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Beverages, OCEAN SPRAY, Diet Cran Cherry & diabetes →🥤 Alcoholic beverage, distilled, all (gin, rum, vodka, whiskey) 86 proof
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Alcoholic beverage, distilled, all (gin, rum, vodka, whiskey) 86 proof & diabetes →🥤 Beverages, SNAPPLE, tea, black and green, ready to drink, peach, diet
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Beverages, SNAPPLE, tea, black and green, ready to drink, peach, diet & diabetes →How to Include It
💡 Check Your Own Response
Individual blood sugar responses vary. Use a glucose meter to understand how this food affects you personally.
💡 Glycemic Load Over Glycemic Index
GL accounts for both the speed AND amount of carbohydrate, making it more practical for real-world eating than GI alone.
💡 Pair Carbs With Protein
Adding protein to a carbohydrate-containing meal slows digestion and helps prevent blood sugar spikes.
💡 Fiber Is Your Friend
Dietary fiber slows carbohydrate absorption. Aim for at least 3g of fiber per serving of carbohydrate foods.
FAQ
Can Water fit into a diabetes meal plan?
Water has a GL of 0 — in the lower range. The carbs are released slowly, or there simply aren't many carbs to begin with. As always, check your personal glucose response.
What GL value does Water carry?
GL = 0 per 100g for Water. For context: low GL is ≤10, moderate is 11–19, and high is ≥20. Water falls into the Low category.
How does Water affect blood sugar?
The primary way Water affects blood sugar is through its carbohydrate content (0g/100g). With a GI of 0 (low) and limited fiber, this produces an overall GL of 0 (Low).
Is the GI value accurate?
The GI of 0 for Water is estimated (Tier 4), not directly ISO-tested on this specific food. It is based on the weighted average GI of foods in the Beverages category from the International GI Tables (Atkinson et al., 2021). Actual GI may vary by variety, ripeness, cooking method, and individual response. We display estimated values with full transparency so you can make informed decisions.
Where This Data Comes From
Data Tier: TIER 4 — estimated from category average
Glycemic Index (GI): 0 — zero_carb_auto. Source: International GI Tables (Atkinson, Brand-Miller et al., Diabetes Care, 2021). University of Sydney GI Research Service.
GL (per serving, 240g) = 0 × 240 ÷ 100 = 0.0
Nutrition Data: USDA FoodData Central, SR Legacy Release (April 2018). FDC ID: WATER-001. Data are in the public domain (CC0 1.0).
GL Classification: ≤10 = Low (Low GL), 11–19 = Moderate (Eat in Moderation), ≥20 = High (Limit). Based on University of Sydney Glycemic Index Foundation classification.
⚠️ GI value is estimated, not directly ISO-tested on this specific food. Actual GI may vary by variety, cooking method, and individual glycemic response.
Cite this page: GlycemicWise. “Water — Glycemic Load & Diabetes Reference.” GlycemicWise, July 2026. https://glycemicwise.com/foods/water/
Dietary reference — not medical advice. This page provides evidence-based dietary reference information for general educational purposes. It is not a substitute for professional medical advice, diagnosis, or treatment. Individual blood sugar responses vary significantly. Always check your blood glucose to understand your personal response to foods, and talk to your doctor or a registered dietitian before changing your diet. Data sources are cited above and publicly available from the USDA and the University of Sydney Glycemic Index Research Service.