A Nutrition Dilemma: Salt vs MSG - Fitbit Blog (2024)

Both salt and MSG, or monosodium glutamate, get a pretty bad rap. So, does it actually make a difference which you’re adding to your dishes? Let’s dig in!

First, What is MSG?

MSG, or more famously known as Ajinomoto, is often used in Asian cuisines as a flavor enhancer to deliver an ‘umami’ or savory flavor. Although it sounds like something straight out of a science lab, MSG is actually a compound made up of two naturally occurring substances: sodium and glutamate.Sodiumis a mineral that you’re no doubt familiar with. Glutamate is one of the most abundant naturally occurring non-essential amino acids. (Amino acids are the building blocks of protein.) Glutamate can be found naturally in tomatoes, cheese, and meats. On the other hand, salt is a compound made of sodium and chloride.

What’s the Difference Between Salt and MSG?

Similar to MSG, table salt is also used as a flavor enhancer. So, both MSG and salt contain sodium. And although sodium is a mineral the body needs to survive, eating too much sodium can lead to increasedblood pressure, putting you at risk of heart disease and stroke. Unfortunately,most peopleare eating too much sodium without realizing it as it’shidden in a lot of processed food. You just have to take a look in your pantry and flip over a few condiment bottles to see how salty these are!

Here’s the good news: MSG contains two-thirdslessthe amount of sodium compared to table salt, so if you’re looking to lower your sodium intake, reaching for MSG to flavor your food canhelp you eat less sodium.

Is MSG Safe to Eat?

There’s a widespread belief that MSG can cause headaches, numbness, tingling, heart palpitations, chest pain, nausea, and facial flushing, plus more. All you have to do is Google “MSG” and you’ll find numerous scary stories.

However, there appears to be no consistent scientific evidence to support these claims, and the World Health Organization, FDA, and European Union all say MSG is safe. In an attempt to remove the bad stigma associated with MSG, manufacturers are now labeling their MSG-containing products as “natural and safe” and touting it as a lower sodium alternative. You can spot it amongst the ingredients list as E621.

Benefits of Enhancing Food Flavors

As you get older, your sense of taste and smell can decrease, which may lead to reduced appetite and inadequate dietary intake.Several studieshave shown that using an ingredient like MSG can help to boost the flavor, improving food palatability, increasing salivary flow, and food intake. In particular, the US Institute of Medicine suggests using MSG as a lower-sodium alternative to salt and as a way to help food taste good.

That being said, you don’t need to rush to the market to stock up on MSG. If you want to add more umami flavor to your meals, you can add it naturally using tomatoes, parmesan cheese, meats, peas, corn, mushrooms, and asparagus, to name just a few options. It’s no wonder that grated parmesan cheese on pizza, salad, or carbonara adds so much deliciousness!

The bottom line? It’s important to keep an eye on your sodium intake. From overly salty sauces and frequent meals eaten out to food delivered to your doorstep—most of us are eating too much sodium. So, before you buy, make it a habit to flip over the package and read the food label. If you’re looking to enhance the flavor of your favorite dish, MSG offers a lower-sodium alternative. But remember, turning to fresh food is always best!

A Nutrition Dilemma: Salt vs MSG - Fitbit Blog (2024)

FAQs

Which is healthier, MSG or salt? ›

Here's the good news: MSG contains two-thirds less the amount of sodium compared to table salt, so if you're looking to lower your sodium intake, reaching for MSG to flavor your food can help you eat less sodium.

Is MSG bad for high blood pressure? ›

Conclusion: MSG intake may have independent BP-increasing effects, especially among women and those taking hypertension medications at baseline and follow-up.

Is MSG ok for a low sodium diet? ›

"MSG can be used to reduce sodium in these foods without a taste trade-off. MSG contains about 12 percent sodium, which is two-thirds less than that contained in table salt, and data shows a 25 to 40 percent reduction in sodium is possible in specific product categories when MSG is substituted for some salt.

Is MSG unhealthy for you? ›

The U.S. Food and Drug Administration (FDA) has classified MSG as a food ingredient that's generally recognized as safe.

Is MSG bad for the kidneys? ›

Long-term MSG consumption causes renal structural and functional changes and electrolyte imbalance [8] with renal oxidative stress observed by proteomic analysis [9].

What does MSG do to the human body? ›

In many countries MSG goes by the name “China salt”. Beside its flavour enhancing effects, MSG has been associated with various forms of toxicity (Figure 1(Fig. 1)). MSG has been linked with obesity, metabolic disorders, Chinese Restaurant Syndrome, neurotoxic effects and detrimental effects on the reproductive organs.

How to flush MSG out of your system? ›

Drinking several glasses of water may help flush the MSG out of your system and shorten the duration of your symptoms.

What is the surprising truth about MSG? ›

MSG contains only one-third the amount of sodium as table salt. Also, MSG amplifies and enhances the flavor of foods – whether it is naturally occurring or added to foods. The glutamate interacts with our taste buds, giving foods the umami, or savory, flavor.

Is MSG inflammatory? ›

MSG – Asian foods, particularly those using soy sauce, often contain monosodium glutamate (MSG), which can trigger inflammation. It's also common in some fast foods, canned soups and salad dressings.

Is MSG banned in Europe? ›

The European Union classifies it as a food additive permitted in certain foods and subject to quantitative limits. MSG has the HS code 29224220 and the E number E621.

Is MSG bad for you in 2024? ›

The Food and Drug Administration (FDA) classifies MSG as “generally recognized as safe” (GRAS) and doesn't require MSG to be labeled or included in the ingredients if it's naturally occurring.

Is it OK to use MSG everyday? ›

Is MSG bad for you? No, research doesn't show any long-term effects from consuming moderate amounts of MSG. The FDA and other expert organizations consider MSG to be safe in moderation.

Is there a healthier alternative to MSG? ›

Soy sauce is a good substitute, rich in umami. As with broth cubes, first check the list of ingredients to ensure that there is no MSG added. Oyster sauce, fish sauce (nam pla), and Worcestershire sauce can also be used to enhance the taste of dishes.

Does MSG really make a difference? ›

The sodium salt of glutamic acid, or monosodium glutamate (MSG), has two effects in foods: one is to induce a unique taste called umami, which is one of the five basic tastes, and the other is to make food palatable (i.e., flavor-enhancing or seasoning effects).

How much MSG is safe per day? ›

Research shows that MSG is safe when consumed as part of a normal diet – up to 14 mg per pound of body weight or roughly 2.5 grams for a person who weighs 150 pounds. Kerner notes that the average person's daily intake of MSG is less than 1 gram.

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