Ponzu is moderate on keto—use it sparingly. At ~13.3g net carbs per 100g (about 2g per tablespoon) the citrus–soy base carries more sugar than plain soy sauce, so treat it as a bright splash rather than a pour.
Is Ponzu Sauce Keto?
Asian Sauces

KETO VERDICTMODERATE
Ponzu is moderate on keto—use it sparingly. At ~13.3g net carbs per 100g (about 2g per tablespoon) the citrus–soy base carries more sugar than plain soy sauce, so treat it as a bright splash rather than a pour.
- Net carbs (100g)13.3g
- Protein (100g)6.7g
- Fat (100g)0g
- Keto verdictEnjoy in moderation
NUTRITION FACTS
Per 100g (raw)
Net Carbs
13.3g
Total Carbs
13.3g
Fiber
0g
Protein
6.7g
Fat
0g
Calories
100
Source: USDA FoodData Central
HOW TO ENJOY IT ON KETO
- Modest net carbs per tablespoon (~2g) when used as a condiment
- Intense citrus–umami flavor means a little goes a long way
- Helps season lean proteins and veggies without adding sugar or fat
HEALTH BENEFITS
- Citrus provides small amounts of vitamin C and polyphenols
- Umami-rich seasoning can enhance satisfaction and reduce overuse of heavier sauces
PREPARATION SUGGESTIONS
FISH DIPPING
Serve with grilled fish.
QUICK MARINADE
Whisk ponzu with a touch of sesame-oil and garlic; marinate salmon or sea-bass 10–15 minutes before cooking.
SAUTÉ FINISH
Splash over sautéed shiitake-mushroom and zucchini-noodles off-heat to brighten.
CRISP SALAD
Toss thinly sliced cabbage-green and avocado with ponzu and sesame-seeds for a fast slaw.