KETO VERDICTYES
Fish sauce is keto-friendly when unsweetened—~3.6g net carbs per 100g (about 0.2g per teaspoon) and used in tiny amounts (1–2 tsp). A powerful umami booster for dressings, marinades, and stir-fries.
Is Fish Sauce Keto?
Asian Sauces
YOUR PORTION
How much are you having?
Scale the published reference values to your portion.
Per 100 g (as listed by source). USDA FoodData Central.
How this is calculated
total carbohydrate - fiber. Each published value is multiplied by your portion divided by the reference amount. No extra fiber, sugar alcohol or allulose deductions are applied here.
Grams and milliliters are not interchangeable. Household measures require a food-specific conversion; check your scale or product label.
3.6gnet carbs in your portion
- Total carbs
- 3.6g
- Fiber
- 0g
- Protein
- 5g
- Fat
- 0g
- Calories
- 35
Fish sauce is keto-friendly when unsweetened—~3.6g net carbs per 100g (about 0.2g per teaspoon) and used in tiny amounts (1–2 tsp). A powerful umami booster for dressings, marinades, and stir-fries.
- Net carbs (100 g)3.6g
- Protein (100 g)5g
- Fat (100 g)0g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100 g (as listed by source)
Net Carbs
3.6g
Total Carbs
3.6g
Fiber
0g
Protein
5g
Fat
0g
Calories
35
Source: USDA FoodData Central reference record
Source fit: generic reference; variety, brand, or preparation may differ
Net-carb calculation: total carbohydrate - fiber
This USDA record is used as a generic nutrition reference; variety, brand, or preparation may differ.
Nutrition record reviewed 2026-07-09. Maintained by KetoLens Team.
WHY IT'S KETO-FRIENDLY
- Very low net carbs and used by the teaspoon
- Massive flavor-per-drop reduces need for sugary sauces
- Fermented and concentrated—great for umami without carbs
- Pairs with fatty meats and oils to balance keto macros
PREPARATION SUGGESTIONS
KETO NƯỚC CHẤM
Whisk fish sauce with lime juice, water, minced garlic, chili, and a touch of allulose for a classic Vietnamese-style dipping sauce.
UMAMI STIR-FRY
Finish a skillet of Cauliflower Rice or Shirataki Noodles with 1–2 tsp fish sauce and Sesame Oil.
MARINADE BOOSTER
Add to garlic–ginger–lime marinades for chicken thighs or pork; a little goes a long way.
SAVORY DRESSINGS
Blend with White Vinegar, lime, chili, and olive oil for a punchy salad dressing.
OPTIONAL BUYING OPTIONS
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