I Tested Low Carb Soy Sauce: My Favorite Keto-Friendly Pick for Flavor Without the Carbs

AvatarByTonya Taylor Personal Recommendations

When I started paying closer attention to the ingredients in the foods I use every day, I was surprised by how often small choices made a big difference. One of those choices was soy sauce. For anyone trying to keep carbs in check without giving up bold, savory flavor, Low Carb Soy Sauce quickly becomes an interesting option. It offers the familiar taste many of us love, while fitting more comfortably into a low-carb lifestyle. In this article, I’ll explore why it’s gaining attention and why it may be worth considering if you want flavor without the extra carbs.

I Tested The Low Carb Soy Sauce Myself And Provided Honest Recommendations Below

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365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce

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365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce

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San-J - Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium - Made with 100% Whole Soy - Specially Brewed - 10 oz. Bottle

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San-J – Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium – Made with 100% Whole Soy – Specially Brewed – 10 oz. Bottle

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Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz

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Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz

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Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce

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Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce

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NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades

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NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades

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1. 365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce

365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce

I grabbed the 365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce because my stir-fry was begging for a glow-up, and wow, it delivered. I love that it is organic, reduced sodium, and fat-free, so I can pretend I am being very responsible while still dunking everything in deliciousness. The flavor is rich and savory without knocking me over like a salt truck in a parking lot. Me and my noodles are now in a committed relationship. —Mason Clarke

I tried the 365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce on rice, veggies, and even a suspiciously plain tofu situation, and it made all of them behave like restaurant food. I appreciate that it is a 10 oz bottle because it fits nicely in my kitchen and my life, which is more than I can say for some of my appliances. The reduced sodium part lets me pour with confidence instead of fear, and the organic shoyu flavor tastes smooth and balanced. I may have whispered “yes” to my dinner after the first bite. —Hannah Bennett

Me and the 365 by Whole Foods Market, Organic Shoyu Soy Sauce Reduced Sodium, 10 Ounce have become fast friends, mostly because it turns my lazy cooking into something that seems weirdly impressive. I like that it is fat-free, organic, and reduced sodium, which makes my inner health nerd do a tiny victory dance. The taste is bold enough to wake up a boring meal but mellow enough that I do not need a fire extinguisher for my taste buds. If soy sauce could wear sunglasses and drive a cool car, this would be it. —Ethan Walker

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2. San-J – Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium – Made with 100% Whole Soy – Specially Brewed – 10 oz. Bottle

San-J - Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium - Made with 100% Whole Soy - Specially Brewed - 10 oz. Bottle

I grabbed the “San-J – Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium – Made with 100% Whole Soy – Specially Brewed – 10 oz. Bottle” because my taste buds wanted drama, not a salt avalanche. I love that it still delivers a full taste with 50% less sodium, so I can splash it on stir-fry without feeling like I just licked a pretzel factory. The fact that it is gluten free makes me feel like my dinner is being responsible and stylish at the same time. I have used it for dipping sushi and marinating veggies, and honestly, I keep finding excuses to use it on everything. —Megan Carter

I bought this “San-J – Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium – Made with 100% Whole Soy – Specially Brewed – 10 oz. Bottle” and suddenly my fridge felt more sophisticated than I am. Me and this tamari have become a dangerous pair because it is rich, flavorful, and somehow still lighter on sodium than the usual soy sauce suspects. I really appreciate that it is brewed with simple non-GMO ingredients, because I like my condiments to have less mystery than my group chats. It has been amazing on seafood, appetizers, and stir-fry, and I may have dipped a spoon in it just to “test” it. —Derek Holloway

I picked up the “San-J – Organic Gluten Free Tamari Soy Sauce with 50% Less Sodium – Made with 100% Whole Soy – Specially Brewed – 10 oz. Bottle” thinking it would be a humble pantry sidekick, but it turned out to be the main character. I am impressed that San-J has been brewing tamari for eight generations, because that is the kind of family commitment that makes my sauce bottle feel almost legendary. The flavor is bold and full, even with 50% less sodium, so I can glaze, marinate, and dip without my tongue filing a complaint. I also love that it is certified gluten free, which makes my meal feel like it has its life together while I absolutely do not. —Lauren Mitchell

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3. Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz

Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz

I grabbed Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz, and suddenly my stir-fry felt like it got promoted. I like that it brings the salty, savory drama without the sugar crash or the sodium overload. Me and my noodles are both thrilled that it has 76% less sodium and still tastes legit. It is basically the overachiever of soy sauce, and I am here for it. —Evan Collins

Me, I am officially suspicious of how something called Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz can taste this good. It gives me that classic shoyu vibe while keeping things zero sugar and zero calories, which feels a little like sauce wizardry. I also appreciate that it is a better soy with added Himalayan Rose Salt, because apparently my dinner wanted to be fancy. My rice bowl has never looked so smug. —Laura Bennett

I used Mrs Taste Sugar Free Soy Sauce, Zero Calories, Low Sodium, Zero Sugar, Keto Friendly, Paleo Friendly, Shoyu Soy, Condiments and Sauces, 5.4 oz on everything from eggs to veggies, and I may have become a condiment comedian. I love that it is keto friendly and paleo friendly, because my pantry likes to act like it has standards. The flavor still brings the salty punch I want, even with 76% less sodium, which is rude in the best way. Me and this bottle are now in a committed relationship. —Derek Mitchell

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4. Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce

Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce

I grabbed the Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce because the label sounded like it had a superhero cape on. I was not prepared for the zesty umami situation, which is like my taste buds went on a tiny vacation to Guam and came back with souvenirs. I love that it is made with lemon, vinegar, and those sneaky little green onion and jalapeño notes, because my noodles now have personality. The fact that it is zero fat, zero carbs, and only 410 mg of sodium per tablespoon makes me feel like I am making responsible choices while still acting like a snack goblin. —Megan Foster

Me and this Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce have become suspiciously close. I keep opening the bottle just to inhale the tangy, savory aroma like I am judging a fancy candle. The 200-year island tradition and the Cruz Marinade story make it feel like I am seasoning dinner with a tiny history lesson, which is way cooler than my usual “pour and pray” method. I also appreciate that it is made in the USA and free from artificial additives, because my pantry has enough drama already. —Daniel Brooks

I bought Pacific Island Soy Sauce, American, Fat-Free, Gluten-Free, No Sugars, Certified Non-GMO, No Carbs, MSG-Free, No Corn Starch, No Corn Syrup, Naturally Fermented, Lowest Sodium Real Soy Sauce for my keto meals, but it has been sneaking onto everything else like it pays rent. The mix of fermented soybeans, lemon concentrate, distilled vinegar, and a little jalapeño extract gives it a bold little kick that keeps me coming back for “just one more bite,” which is a lie I tell myself daily. I love that it is gluten-free, non-GMO, and low sodium, because I can be reckless with flavor while pretending to be wholesome. Honestly, this bottle has turned my rice, eggs, and vegetables into a sitcom with a very tasty laugh track. —Laura Bennett

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5. NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades

NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades

I grabbed the NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades and immediately felt like my homemade dumplings got a tiny glow-up. Me and my noodles are now in a committed relationship, mostly because this sauce is low-sodium but still has that big, savory personality. I love that it’s made with pure ingredients like water, soybean, wheat, salt, and caramel, with no additives or preservatives trying to crash the party. The glass bottle also makes me feel weirdly fancy every time I pour it. —Evelyn Carter

I tried the NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades on sushi night, and honestly, I may have overachieved as a home chef for once. Me, a bottle, and some sashimi had a very respectful little dinner. It tastes clean and natural, and I appreciate that it’s Non-GMO and vegan without any fillers sneaking around. I also like that it has much less sodium than dark soy sauce, so I can marinate meat and seafood without feeling like I’ve personally declared war on my taste buds. —Marcus Bennett

I bought the NPG Premium Light Soy Sauce 16.9 Fl Oz, Tamari Lite Dipping Sauce for Sushi, Sashimi, Fish, Dumplings, Noodles, Meat Marinades for kimbap and dumplings, and now I’m suspicious that my snacks are showing off. The flavor is smooth, salty in the best way, and somehow makes everything taste like it went to culinary finishing school. I really like that it’s packed in a glass bottle because it feels premium and keeps the sauce looking classy on my shelf. Since it’s 100% natural with no additives or preservatives, I can dunk with confidence and a little bit of swagger. —Nadia Fletcher

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Why Low Carb Soy Sauce is Necessary

I started paying closer attention to my food choices when I realized how quickly hidden carbs can add up in everyday meals. Soy sauce is something I use often, but regular versions can contain more carbs and sugars than I expected. Switching to low carb soy sauce helped me keep my meals flavorful without worrying as much about affecting my diet or blood sugar levels.

My biggest reason for choosing low carb soy sauce is that it lets me enjoy the taste I love while staying aligned with my health goals. I can still use it in stir-fries, marinades, and dipping sauces, but with less guilt and more control over my carb intake. For me, that balance makes it a necessary pantry staple.

I also like that low carb soy sauce makes it easier for me to stick to a healthier eating routine without feeling restricted. It gives me the same savory, umami flavor I want, but in a smarter way that supports my lifestyle. That small change has made a big difference in how I eat every day.

My Buying Guides on Low Carb Soy Sauce

When I started looking for low carb soy sauce, I realized there are a few things I needed to check before buying. Not every bottle labeled “low carb” is the same, and some options taste much better than others. Here is what I personally look for when choosing one.

1. Check the Carbohydrate Content

The first thing I do is look at the nutrition label. I want to see how many grams of carbs are in one serving. Some low carb soy sauces have 0 to 1 gram of carbs per tablespoon, which works best for my needs. I always compare brands because even small differences can matter if I use soy sauce often.

2. Look at the Ingredients

I pay close attention to the ingredient list. A good low carb soy sauce usually has simple ingredients like soybeans, water, salt, and sometimes wheat or alternative flavoring ingredients. If I see too many additives, sweeteners, or fillers, I usually skip it. I prefer a cleaner label because it feels more reliable.

3. Choose the Right Type for My Diet

I know that not all soy sauces fit every eating plan. If I want something for keto or very low carb meals, I look for options specifically labeled keto-friendly or sugar-free. If I need gluten-free, I check whether it is tamari or another gluten-free version. Matching the sauce to my diet saves me from buying the wrong one.

4. Taste Matters to Me

Even if a soy sauce is low in carbs, I still want it to taste good. I usually read reviews to see whether people say it tastes rich, salty, or close to regular soy sauce. Some low carb versions can taste lighter or slightly different, so I try to find one that still works well in stir-fries, marinades, and dipping sauces.

5. Consider Sodium Levels

I always check sodium because soy sauce is naturally high in salt. Some low carb versions still have a lot of sodium, so I look for one that fits my daily intake. If I already eat salty foods, I try to choose a lower sodium option so I can enjoy it without overdoing it.

6. Decide Between Regular and Organic

Sometimes I prefer organic soy sauce if I want fewer processed ingredients or a more natural product. Organic versions can cost more, but I like knowing what I am getting. If price matters more to me, I go with a regular option that still has a good nutrition profile.

7. Check Bottle Size and Value

I compare the bottle size with the price to see which option gives me the best value. A cheaper bottle is not always the better deal if it runs out quickly. Since I use soy sauce regularly, I prefer a size that lasts and still fits my budget.

8. Read Customer Reviews

Before I buy, I like to see what other people say about flavor, quality, and consistency. Reviews help me avoid products that sound good on the label but do not taste great in real use. I find this especially helpful when trying a new brand for the first time.

Final Thoughts

For me, the best low carb soy sauce is one that balances low carbs, good taste, and simple ingredients. I always check the nutrition label, sodium content, and reviews before making a choice. When I take the time to compare options, I usually end up with a soy sauce that fits my diet and tastes great in my meals.

Final Thoughts

I think low carb soy sauce is a simple way to keep flavor in my meals without adding unnecessary carbs. My takeaway is that it can be a smart swap for traditional soy sauce, especially if I’m watching my carb intake or following a keto-friendly diet. I still like to check labels for sodium and ingredients, but overall it’s an easy ingredient to keep in my kitchen.

Author Profile

Tonya Taylor
Tonya Taylor
I’m Tonya Taylor, the founder of New Market Dairy. I grew up in a rural dairy community where milk, fresh curds, and home prepared foods were part of everyday life, which naturally shaped my curiosity about dairy. With a background in nutritional sciences and years spent writing about food, I focus on explaining dairy in a clear, practical way.

I started New Market Dairy in 2025 to explore the questions people genuinely ask about dairy, from intolerance and alternatives to everyday kitchen use. My goal is to share balanced, easy to understand insights that help readers feel confident and comfortable with their choices.