Soy Sauce

Soy Sauce: Main Image

Buying Tips

Commercial soy sauce is readily available in grocery stores in the condiment aisle or Asian food section. Tamari and shoyu are both sold in natural foods stores and in Asian markets, sometimes in bulk.


While true tamari or shoyu is an aged product, most of the commercial soy sauce sold in the United States is a nonfermented synthetic product made from defatted soybean meal and grains mixed with chemicals. Real aged tamari or shoyu has a different flavor than commercial, synthetic soy sauce. In Japan, synthetic soy sauce is not recognized by the government, which allows five different types of soy sauce to be labeled as shoyu. Among the synthetic brands, reduced-sodium soy sauce is available.

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The information presented in the Food Guide is for informational purposes only and was created by a team of US–registered dietitians and food experts. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements, making dietary changes, or before making any changes in prescribed medications. Information expires December 2024.