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Fish oil, cod liver & Diabetes

Low GL

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 Response at a Glance

📏
0
Glycemic Load
Per 100g · 0 per serving
Low
📊
0
Glycemic Index
Low
Low
🍞
0g
Total Carbs
Net carbs 0g
🌾
0g
Dietary Fiber
Low Fiber

Nutrition Profile

🍬
0g
Total Sugar
🥩
0g
Protein
🧈
22.61g
Saturated Fat
High
🧂
0mg
Sodium
Low
🔥 902 kcal💧 0.0% water🛢 100.0g total fat

Version Differences at a Glance

The saturated fat figure (22.6 per 100g) is a middle-of-the-family number — variants here run 19.9-95.6 per 100g.

The rest of the family: Herring, Salmon, Sardine.

What to Watch For

⚠️ High Saturated Fat

Fish oil, cod liver contains 3.1g of saturated fat per serving — above the 5g threshold recommended by the ADA and AHA. High saturated fat intake is associated with increased cardiovascular risk, which is the leading cause of death in people with diabetes. While this food may have a manageable glycemic load, consider it an occasional choice rather than a daily staple.

ADA Cardiovascular Disease and Risk Management (2024). Diabetes Care, 47(Suppl 1). · AHA Dietary Guidelines.

Glycemic Load by Serving Size

Portion Weight Carbs Glycemic Load Verdict
½ Serving 7g 0.0g 0.0 High
Standard Serving 14g 0.0g 0.0 High
Restaurant Portion 27g 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.

Explore More in Fats and Oils

🍽️ Margarine

🟢 Low GL · GL /100g

🍽️ Oil

🟢 Low GL · GL /100g

🍽️ Oil

🟢 Low GL · GL /100g

Practical Guidance

💡 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.

Questions People Ask

How does Fish oil cod liver rate for blood sugar control?

Fish oil cod liver is rated diabetes-friendly (GL 0) based on available glycemic data. A standard serving is unlikely to cause a sharp blood glucose rise, but individual responses differ.

What is the glycemic load of Fish oil cod liver?

Per 100g, Fish oil cod liver has a GL of 0. This means one standard serving (1 tbsp (14g)) provides approximately 0 GL — which is low.

Does Fish oil cod liver spike blood sugar?

Fish oil cod liver affects blood sugar by releasing glucose during digestion. Since its GL is 0 (low), it's unlikely to cause problems in standard servings. Individual responses vary — check your glucose monitor.

Is the GI value accurate?

The GI of 0 for Fish oil cod liver is estimated (Tier 4), not directly ISO-tested on this specific food. It is based on the weighted average GI of foods in the Fats and Oils 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.

What about the saturated fat content?

At 3.1g of saturated fat per serving, Fish oil cod liver exceeds the 5g threshold that the ADA and AHA recommend for diabetes and heart health. Saturated fat raises LDL cholesterol and is associated with increased cardiovascular risk. While this food may have a manageable glycemic load, it is best as an occasional choice rather than a daily staple. Prioritize foods with unsaturated fats (olive oil, avocado, nuts, fish) for everyday eating.

Methodology & 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 100g) = GI (0) × Available Carbs (0g) ÷ 100 = 0
GL (per serving, 13.6g) = 0 × 13.6 ÷ 100 = 0.0

Nutrition Data: USDA FoodData Central, SR Legacy Release (April 2018). FDC ID: 173577. 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 oil, cod liver — Glycemic Load & Diabetes Reference.” GlycemicWise, July 2026. https://glycemicwise.com/foods/fish-oil-cod-liver/

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.