Walnuts Overview
Quick Carb Snapshot
- Carbs (per 100 g): ~14 g total, ~7 g net
- Carbs (standard portion): ~2 g net per 1 oz
- Glycemic Index: Very low
- Best Substitutes: Pecans, macadamia nuts
- Diabetic-Friendly? Yes
- Keto-Friendly? Yes (portion-aware)
Key Traits
- Texture: Firm, slightly crumbly
- Flavor: Earthy, mildly bitter
- Carb Impact: Low net carbs
- GI / GL Notes: High fat and fiber blunt glucose
- Common Uses: Snacking, baking, salads
Best For
- Low-carb snacks
- Keto baking
- Adding crunch to salads
Avoid For
- Nut allergies
- Very large portions
- Rancid or stale nuts
How Walnuts Compare to Higher-Carb Ingredients
Texture & Structure
- Add crunch without starch
- Dense and filling
- No thickening properties
Flavor & Nutrition
- High healthy fat content
- Low net carbs
- Rich in omega-3s
How to Substitute Walnuts
Low-Carb Swaps by Use
- Snacking: Pecans
- Baking: Almonds
- Crunch: Pumpkin seeds
Tips for Successful Swaps
- Toast lightly for better flavor
- Store refrigerated to prevent rancidity
- Measure portions carefully
Storage & Shelf Life
Pantry
Store short-term in airtight container; refrigerate for longer storage.
Cooked
Walnut-containing dishes keep 3–5 days refrigerated.
Signs It Has Gone Bad
- Rancid or bitter smell
- Soft texture
- Off taste
Carb / Keto & Dietary Notes
- Carb Impact: Low
- Keto Use: Yes (moderation)
- Diabetic Notes: Good nut choice
This information is for educational purposes only and not medical advice.
Allergy & Dietary Flags
- Gluten-Free: Yes
- Nuts: Yes (tree nut)
- Nightshade: No
- Vegan / Vegetarian: Yes
Carb & Dietary Tags
- Low-Carb: Yes
- High-Carb: No
- Keto-Friendly: Yes
- Diabetic-Friendly: Yes
- Low GI: Yes
Related Ingredients
Often compared to pecans and almonds, walnuts are a low-carb, omega-3-rich nut.