Fish, cusk, raw & 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]
Blood Sugar Response
Nutrition Overview
Lower-GL Alternatives
🐟 Mollusks, snail, raw
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Mollusks, snail, raw & diabetes →🐟 Turtle, green, raw
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Turtle, green, raw & diabetes →🐟 Jellyfish, dried, salted
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Jellyfish, dried, salted & diabetes →🐟 Frog legs, raw
GL 0/100g — Low GL
Rated diabetes-friendly — lower glycemic impact than your current selection.
Frog legs, raw & diabetes →Glycemic Load by Serving Size
| Portion | Weight | Carbs | Glycemic Load | Verdict |
|---|---|---|---|---|
| ½ Serving | 42g | 0.0g | 0.0 | High |
| Standard Serving | 85g | 0.0g | 0.0 | High |
| Restaurant Portion | 170g | 0.0g | 0.0 | High |
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.
More Finfish and Shellfish Products to Compare
Questions People Ask
Is Fish cusk good for diabetes?
Fish cusk is classified as diabetes-friendly (GL ≤10). The data suggests a lower blood sugar impact — dietary reference only, not a substitute for professional medical advice.
What is the glycemic load of Fish cusk?
Per 100g, Fish cusk has a GL of 0. This means one standard serving (3 oz (85g)) provides approximately 0 GL — which is low.
How quickly does Fish cusk raise blood sugar?
After eating Fish cusk, you can expect a low blood sugar response. The GL of 0 means a gentle rise. This can vary based on what else you eat with it.
Is the GI value accurate?
The GI of 0 for Fish cusk is estimated (Tier 4), not directly ISO-tested on this specific food. It is based on the weighted average GI of foods in the Finfish and Shellfish Products 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.
Data Sources
Data Tier: TIER 4 — estimated from category average
Glycemic Index (GI): 0 — None. Source: International GI Tables (Atkinson, Brand-Miller et al., Diabetes Care, 2021). University of Sydney GI Research Service.
GL (per serving, 85.0g) = 0 × 85.0 ÷ 100 = 0.0
Nutrition Data: USDA FoodData Central, SR Legacy Release (April 2018). FDC ID: 171958. 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. “Fish, cusk, raw — Glycemic Load & Diabetes Reference.” GlycemicWise, July 2026. https://glycemicwise.com/foods/fish-cusk-raw/
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.