Internet Asks: “Is Soy Sauce Acidic?”

Soy sauce, a culinary staple in various Asian cuisines, possesses a fascinating tale spun from simple, yet remarkable ingredients. Crafted from an alchemic blend of fermented soybeans, roasted grains, salt, and water, this enchanting elixir imparts an unmistakable umami-rich flavor that has captured the hearts and taste buds of food enthusiasts worldwide. Yet, a question often bubbles to the surface - is soy sauce acidic, and what does this mean for our health? Embark on this intriguing journey with us as we unveil the acidity secrets of soy sauce and explore its potential implications for our well-being.

sponsored links


Understanding pH scale

The pH scale is a measure of acidity or alkalinity of a substance. It ranges from 0 to 14, with 0 being the most acidic and 14 being the most alkaline or basic. A pH of 7 is considered neutral. The pH scale is logarithmic, meaning that each whole number change represents a tenfold change in acidity or alkalinity. For example, a substance with a pH of 5 is ten times more acidic than a substance with a pH of 6. Understanding the pH scale is important for determining the potential effects of a substance on the body or in certain applications, such as cooking or cleaning.


What is soy sauce? 

Soy sauce is a popular condiment used in many cuisines around the world, especially in Asian cooking. It is made from a mixture of soybeans, wheat, salt, and water, which are fermented and aged over several months to create the distinctive flavor and aroma. Some varieties of soy sauce may also include other ingredients such as sugar, vinegar, or alcohol, depending on the recipe and regional variations. The brewing process of soy sauce is complex and can take anywhere from several months to a few years to complete, depending on the desired flavor and quality.

Soy sauce also contains a variety of beneficial nutrients, including amino acids, vitamins, and minerals. However, it is important to note that soy sauce is also high in sodium, which can have negative health effects when consumed in excess.


Is soy sauce acidic? 

The answer is yes, soy sauce is acidic. It has a pH level of around 5, which falls within the range of mildly acidic substances. However, the acidity of soy sauce is not typically a cause for concern. In fact, many foods and beverages that we consume on a regular basis are acidic, such as coffee, citrus fruits, and tomatoes.

While the acidity of soy sauce may not be a problem for most people, it can potentially cause issues for those with certain health conditions. For example, people with acid reflux or GERD (gastroesophageal reflux disease) may experience symptoms such as heartburn or indigestion after consuming acidic foods, including soy sauce. It is important for individuals with these conditions to monitor their intake of acidic foods and beverages to manage their symptoms effectively.

sponsored links


Potential Health Benefits of Soy Sauce

While soy sauce is acidic, it also contains several beneficial compounds that can promote health. For example, soy sauce is rich in antioxidants called polyphenols, which can help reduce inflammation and prevent oxidative damage to cells. Some studies suggest that consuming soy sauce may lower the risk of certain chronic diseases, such as cardiovascular disease and certain types of cancer.

In addition, soy sauce contains beneficial bacteria called probiotics, which can improve gut health and boost the immune system. These probiotics are produced during the fermentation process that soy sauce undergoes, which also contributes to its distinctive flavor and aroma.


Soy Sauce and Sodium

One potential drawback of soy sauce is its high sodium content. Soy sauce is typically made with soybeans, wheat, salt, and water. The high sodium content in soy sauce can contribute to high blood pressure and other health problems if consumed in excess. To reduce the sodium content of soy sauce, some manufacturers now offer reduced-sodium options. However, these products may also contain artificial flavorings and other additives that may not be as healthy as traditional soy sauce.


What are the substitutes for soy sauce?

For those with GERD or acid reflux, soy sauce can be a problematic ingredient due to its acidic nature. However, there are alternatives that can be used as a substitute. One option is to try a low-sodium version of soy sauce, as it may have a lower acid content. Coconut aminos, made from coconut sap, is another popular substitute for soy sauce that has a milder flavor and is lower in sodium. Tamari, a type of Japanese soy sauce that is made with little or no wheat, can also be a good alternative for those with gluten sensitivities. Other options include using Worcestershire sauce or balsamic vinegar as a substitute. It is important to experiment with different substitutes to find the best option for your taste preferences and health needs.



In conclusion, soy sauce is a popular condiment that is widely used in many cuisines around the world. While it is acidic, with a pH level of around 5, the acidity of soy sauce is not typically a cause for concern for most people. However, individuals with certain health conditions, such as acid reflux or GERD, should be mindful of their intake of acidic foods and beverages, including soy sauce. Despite its acidity, soy sauce contains several beneficial compounds, including polyphenols and probiotics, which can promote health. It is important to note, however, that soy sauce is high in sodium and should be consumed in moderation. For those who need to avoid soy sauce, there are several substitutes available, including low-sodium soy sauce, coconut aminos, tamari, Worcestershire sauce, and balsamic vinegar. Experimenting with different substitutes can help you find the best option for your taste preferences and health needs.

It is always important to consult with a doctor or registered dietitian before making any significant changes to your diet or health regimen.

sponsored links



  1. Mayo Clinic. Acid reflux: Gastroesophageal reflux disease (GERD).
  2. National Library of Medicine. Dietary soy and natto intake and cardiovascular disease mortality in Japanese adults: the Takayama study.
  3. Atago. Measuring pH Level of Seasonings.
  4. National Institutes of Health. The Health Benefits of Cutting Salt.


Ready to level-up?

Create meal plans 10x faster, follow up with your clients through our mobile app, and never struggle with meal planning or recipe management again.