Crustaceans, crab, blue, canned & 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]
Glycemic Impact
Key Nutrition Data
This Version vs the Family
Calories comes in low here — 83 per 100g, about 18% below the family average, against a 83-155 per 100g spread. The protein figure (17.9 per 100g) is a middle-of-the-family number — variants here run 17.4-23.7 per 100g.
Compare directly with Crab cakes, Cooked, Cooked.
What to Watch For
⚠️ High Sodium
Crustaceans, crab, blue, canned provides 479mg of sodium per serving — significant relative to the ADA's daily recommendation of <2,300mg. High sodium intake can raise blood pressure, compounding cardiovascular risk in diabetes. If you eat this food, balance it with lower-sodium choices throughout the rest of the day.
ADA recommends <2,300mg sodium per day for most adults with diabetes. Diabetes Care, 47(Suppl 1), 2024.
Better 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 →Explore More in Finfish and Shellfish Products
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.
Quick Answers
Is crab blue good for diabetes?
Yes, crab blue shows a low glycemic load (0), which suggests it is a lower-impact option. This is based on published GI data — consult your healthcare provider for personalized advice.
What is the glycemic load of crab blue?
crab blue's glycemic load: 0 (per 100g). Unlike GI which only measures speed, GL accounts for actual carbohydrate quantity — making it the more practical number for diabetes management.
How does crab blue affect blood sugar?
After eating crab blue, 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 crab blue 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.
Is the sodium level a concern?
crab blue contains 479mg of sodium per serving — well above the ADA's recommendation of <2,300mg daily. High sodium intake can raise blood pressure, compounding cardiovascular risk — the leading cause of death in people with diabetes. If you eat this food, balance it with lower-sodium choices during the rest of the day. Fresh herbs, spices, and citrus can replace salt as flavoring.
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: 171966. 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. “Crustaceans, crab, blue, canned — Glycemic Load & Diabetes Reference.” GlycemicWise, July 2026. https://glycemicwise.com/foods/crustaceans-crab-blue-canned/
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.