Soy Sauce Overview
Quick Carb Snapshot
- Carbs (per 100 g): ~4–5 g
- Carbs (standard portion): ~0–1 g per tbsp
- Glycemic Index: Very low
- Best Substitutes: Tamari, coconut aminos (higher carbs)
- Diabetic-Friendly? Yes (portion-aware)
- Keto-Friendly? Yes (small amounts)
Key Traits
- Texture: Thin liquid
- Flavor: Salty, umami
- Carb Impact: Low
- GI / GL Notes: Minimal glucose effect
- Common Uses: Marinades, stir-fries, sauces
Best For
- Flavoring low-carb dishes
- Marinades and dressings
- Asian-inspired cooking
Avoid For
- Gluten-free diets (regular soy sauce)
- High-sodium restrictions
- Sugar-added varieties
How Soy Sauce Compares to Higher-Carb Ingredients
Texture & Structure
- Liquid seasoning only
- No thickening properties
- Used in small quantities
Flavor & Nutrition
- High sodium
- Minimal calories
- Strong umami impact
How to Substitute Soy Sauce
Low-Carb Swaps by Use
- Gluten-free: Tamari
- Soy-free: Coconut aminos (higher carbs)
- Reduced sodium: Low-sodium soy sauce
Tips for Successful Swaps
- Use sparingly
- Check labels for sugar
- Balance salt elsewhere in recipe
Storage & Shelf Life
Pantry
Shelf-stable unopened; refrigerate after opening for best quality.
Cooked
Dishes store normally depending on recipe.
Signs It Has Gone Bad
- Off smell
- Mold around cap
- Flavor deterioration
Carb / Keto & Dietary Notes
- Carb Impact: Low
- Keto Use: Yes (small amounts)
- Diabetic Notes: Generally safe
This information is for educational purposes only and not medical advice.
Allergy & Dietary Flags
- Gluten-Free: No (unless tamari)
- Nuts: No
- 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 tamari and coconut aminos, soy sauce delivers strong umami with minimal carbs when used correctly.