KETO VERDICTMODERATE
Oyster sauce can fit keto in small amounts—about 10.6g net carbs per 100g (roughly 1.6g per tablespoon) if you choose lower-sugar brands and measure carefully. Use teaspoons, not glugs, to add deep umami without blowing carbs.
Is Oyster Sauce Keto?
Asian Sauces
Oyster sauce can fit keto in small amounts—about 10.6g net carbs per 100g (roughly 1.6g per tablespoon) if you choose lower-sugar brands and measure carefully. Use teaspoons, not glugs, to add deep umami without blowing carbs.
- Net carbs (100g)10.6g
- Protein (100g)6g
- Fat (100g)0.5g
- Keto verdictEnjoy in moderation
NUTRITION FACTS
Per 100g (raw)
Net Carbs
10.6g
Total Carbs
10.9g
Fiber
0.3g
Protein
6g
Fat
0.5g
Calories
55
Source: USDA FoodData Central
HOW TO ENJOY IT ON KETO
- Concentrated flavor: a teaspoon goes far, keeping absolute carbs low
- Works as a finishing sauce—stir in at the end to minimize quantity used
- Pairs with low-carb bases (shirataki, cauliflower rice) to stay on track
- Lower-sugar and "no added sugar" options exist—check labels
- Easy to dilute with broth to stretch flavor without extra carbs
- Helps curb takeout cravings with homemade keto stir-fries
HEALTH BENEFITS
- Umami richness can increase veggie intake and meal satisfaction
- Small amounts contribute trace minerals from oyster extract
- Sodium can help electrolyte balance for active keto users (use mindfully)
- Adds depth without breading or starchy thickeners when used sparingly
PREPARATION SUGGESTIONS
MEASURED STIR-FRIES
Use 1–2 tsp per serving with shirataki-noodles, cauliflower-rice, and veggies; thin with broth.
QUICK MARINADE
Whisk 1 tsp oyster sauce with soy-sauce-low-sodium or tamari, sesame-oil, garlic, and ginger (fresh) for beef or chicken-thighs.
GLAZE FINISH
Reduce a splash with stock and butter; toss with shrimp or sirloin-steak strips.
UMAMI BOOSTER
Stir ½–1 tsp into low-carb soups or braises right before serving.
DIPPING SAUCE
Mix a tiny amount with chili-sauce, vinegar-apple-cider, and soy-sauce for a punchy dip.
WHERE TO BUY
As an Amazon Associate, KetoLens earns from qualifying purchases. We only recommend products we've researched — recommendations never affect our keto verdicts.
VIVID KITCHEN Oyster Sauce - Zero Sugar & Low-Calorie Sauces (2 Pack)
Made by Dongwon, one of Korea's largest food manufacturers, this oyster sauce replaces the sugar and modified starch found in standard bottles like Lee Kum Kee (5-6g carbs per tablespoon) with allulose, delivering the same umami-rich glaze for stir-fries at effectively zero added sugar so it actually fits a strict keto carb budget.
Wan Ja Shan Vegetarian Mushroom Oyster Sauce
From a Hudson Valley brewery that has naturally brewed soy-based sauces since 1945, this version swaps actual oyster extract for shiitake mushroom umami, giving strict vegetarians, shellfish-allergic cooks, or anyone avoiding oyster extract the same glossy stir-fry glaze. It's not a zero-carb formula like the allulose-based pick above (roughly 3g carbs per 2-tsp serving from sugar and starch), so it suits shoppers prioritizing a mushroom-based, no-MSG, non-GMO ingredient list over the lowest possible carb count.