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Kikkoman Soy Sauce
Photo: Open Food Facts contributors (CC BY-SA)

Soy sauces

Kikkoman Soy Sauce

15 fl oz

Good out of 100 Medium confidence
  • High in salt
  • No additives
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Why it scores 79

Kikkoman Soy Sauce scores 79 out of 100 (Good) under GoodSwap’s published rules. What moved the score most:

  1. Salt 16 g / 100 g: Very high in salt. Strong
  2. Processed (NOVA 3): Classified NOVA 3: processed with added salt, sugar or oil. Emerging
  3. Protein 13.3 g / 100 g: A good source of protein. Info

Capped at 79: High in salt (above the front-of-pack "high" level).

Every line of the math is on The Receipt below, with its evidence tier and sources.

Better soy sauce and aminos

The same kind of product, at least 10 points higher, sold in the US. Never paid placements.

The Receipt

Soy Sauce

START100

Processing

  • Processed (NOVA 3)
    Emerging Classified NOVA 3: processed with added salt, sugar or oil. [1]
subtotal−8

Nutrition per 100 g

  • Salt 16 g / 100 g
    Strong Very high in salt. [2]
  • Protein 13.3 g / 100 g
    Info A good source of protein. [3]
subtotal−7
TOTAL 79Good

100 − 15 = 85 → capped at 79

Capped at 79. High in salt (above the front-of-pack "high" level). [4]

GTIN 00041390000904 · 2026-09-15

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy67 kcal
Fat0 g
Saturated fat0 g
Trans fat0 g
Carbohydrates6.7 g
Sugars0 g
Added sugars0 g
Fiber0 g
Protein13.3 g
Salt16 g

Serving: 15g

Ingredients

High Moderate Not recognized Tap an ingredient for its evidence and rules.
Label text, as published

WATER, SOYBEANS, WHEAT, SALT

Allergens and diets

Contains: Soy, Wheat, Gluten

  • Vegan
  • Vegetarian
  • Not gluten-free
  • Palm-oil-free

Always check the package: recipes change.

Healthiest soy sauces in the US

More from Kikkoman

Sources

  1. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  2. Sodium reduction (fact sheet)

    World Health Organization · May 11, 2026 · Agency assessment

    “For adults, WHO recommends less than 2000 mg/day of sodium (equivalent to less than 5 g/day salt), or just under a teaspoon.”

    who.int

  3. Dietary Guidelines for Americans, 2025–2030

    U.S. Department of Health and Human Services and U.S. Department of Agriculture · January 2026 · Regulator

    “Limit foods and beverages that include artificial flavors, petroleum-based dyes, artificial preservatives, and low-calorie non-nutritive sweeteners.”

    cdn.realfood.gov

  4. Guide to creating a front of pack (FoP) nutrition label for pre-packed products sold through retail outlets

    Department of Health and Social Care / Food Standards Agency (GOV.UK) · Nov 8, 2016 · Regulator

    “Table 3: Criteria for drinks (per 100ml)”

    assets.publishing.service.gov.uk