Food Additives

Monosodium glutamate, or MSG, is a common food additive used to intensify and enhance the flavor of savory dishes. It’s found in a variety of processed foods like frozen dinners, salty snacks and canned soups. It’s also often added to foods at restaurants and fast food places. If you experience any negative side effects after consuming MSG, it’s best to keep it out of your diet. Otherwise, if you’re able to tolerate MSG, it can be safely consumed in moderation without the risk of adverse side effects.

Artificial food coloring is used to brighten and improve the appearance of everything from candies to condiments. Concerns have also been raised about the potential cancer-causing effects of certain food dyes. Red 3, also known as erythrosine, has been shown to increase the risk of thyroid tumors in some animal studies, causing it to be replaced by Red 40 in most foods (10Trusted Source, 11Trusted Source). Regardless, food dyes are found primarily in processed foods, which should be limited in a healthy diet. Always opt for whole foods, which are higher in important nutrients and naturally free of artificial food coloring.

Frequently found in processed meats, sodium nitrite acts as a preservative to prevent the growth of bacteria while also adding a salty flavor and reddish-pink color. When exposed to high heat and in the presence of amino acids, nitrites can turn into nitrosamine, a compound that can have many negative effects on health. One review showed that a higher intake of nitrites and nitrosamine was associated with a higher risk of stomach cancer. Many other studies have found a similar association, reporting that a higher intake of processed meats may be linked to a higher risk of colorectal, breast and bladder cancer. Other studies suggest that nitrosamine exposure may also be linked to a higher incidence of type 1 diabetes, although findings are inconsistent. Still, it’s best to keep your intake of sodium nitrite and processed meats to a minimum. Try swapping out processed meats like bacon, sausage, hot dogs and ham for unprocessed meat and healthy sources of protein. Chicken, beef, fish, pork, legumes, nuts, eggs and tempeh are just a few delicious high-protein foods that you can add to your diet in place of processed meats.

Guar gum is a long-chain carbohydrate used to thicken and bind foods. It’s widely used in the food industry and can be found in ice cream, salad dressings, sauces and soups. Guar gum is high in fiber and has been associated with a multitude of health benefits. For example, one study showed that it reduced symptoms of irritable bowel syndrome such as bloating and constipation. However, high amounts of guar gum may have adverse effects on health. This is because it can swell 10 to 20 times its size, potentially causing issues like obstruction of the esophagus or small intestine. Guar gum may also cause mild symptoms like gas, bloating or cramps in some people. Nevertheless, guar gum is generally considered safe in moderation. Additionally, the FDA has set strict guidelines on how much guar gum can be added to foods to minimize the risk of negative side effects.

High-fructose corn syrup is a sweetener made from corn. It’s frequently found in soda, juice, candy, breakfast cereals and snack foods.It’s rich in a type of simple sugar called fructose, which can cause serious health issues when consumed in high amounts. In particular, high-fructose corn syrup has been linked to weight gain and diabetes. Additionally, high-fructose corn syrup contributes empty calories and added sugar to foods without any of the important vitamins and minerals that your body needs.

Artificial sweeteners are used in many diet foods and beverages to enhance sweetness while reducing calorie content. Common types of artificial sweeteners include aspartame, sucralose, saccharin and acesulfame potassium. Studies show that artificial sweeteners can aid in weight loss and help manage blood sugar levels. If you experience any negative side effects after using artificial sweeteners, check ingredients labels carefully and limit your intake.

Derived from red seaweed, carrageenan acts as a thickener, emulsifier and preservative in many different food products. Common sources of carrageenan include almond milk, cottage cheese, ice cream, coffee creamers and dairy-free products like vegan cheese. For decades, there have been concerns about the safety of this common food additive and its potential effects on health. One animal study showed that exposure to carrageenan increased levels of fasting blood sugar and glucose intolerance, especially when combined with a high-fat diet. Test-tube and animal studies have found that carrageenan triggered inflammation, as well.

Sodium benzoate is a preservative often added to carbonated drinks and acidic foods like salad dressings, pickles, fruit juices and condiments. It has been generally recognized as safe by the FDA, but several studies have uncovered potential side effects that should be considered. When combined with vitamin C, sodium benzoate can also be converted into a benzene, a compound that may be associated with cancer development. Carbonated beverages contain the highest concentration of benzene, and diet or sugar-free beverages are even more prone to benzene formation.

Trans fats are a type of unsaturated fat that have undergone hydrogenation, which increases shelf life and improves the consistency of products. It can be found in many types of processed foods like baked goods, margarine, microwave popcorn and biscuits. A number of potential health risks have been associated with trans fat intake, and the FDA even recently decided to revoke their GRAS (generally recognized as safe) status.

Xanthan gum is a common additive that’s used to thicken and stabilize many types of food such as salad dressings, soups, syrups and sauces. It’s also sometimes used in gluten-free recipes to help improve the texture of foods. Xanthan gum has been associated with several health benefits.

Artificial flavors are chemicals designed to mimic the taste of other ingredients. They can be used to imitate a variety of different flavors, from popcorn and caramel to fruit and beyond. Animal studies have found that these synthetic flavors could have some concerning effects on health. In the meantime, if you want to limit your intake of artificial flavoring, check the ingredients label of your foods. Look for “chocolate” or “cocoa” on the ingredients label rather than “chocolate flavoring” or “artificial flavoring.”

Yeast extract, also called autolyzed yeast extract or hydrolyzed yeast extract, is added to certain savory foods like cheese, soy sauce and salty snacks to boost the flavor. It’s made by combining sugar and yeast in a warm environment, then spinning it in a centrifuge and discarding the cell walls of the yeast. Yeast extract contains glutamate, which is a type of naturally occurring amino acid found in many foods.

The safety of food additives is regulated by the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA). These agencies are responsible for approving new additives and establishing safe levels of use. The FDA and EFSA evaluate the safety of food additives through extensive testing, including animal studies and human clinical trials. This testing is designed to determine an additive's safety at various consumption levels, as well as any potential health risks associated with long-term exposure.

Some people may be more sensitive to certain food additives than others. This includes individuals with allergies or intolerances to specific additives. Additionally, pregnant women and young children may be more vulnerable to the effects of certain additives, which can impact fetal development or have long-term health consequences. Food manufacturers must consider the potential risks for sensitive populations when using additives in their products.

While most people can safely consume food additives, some individuals may experience adverse reactions. These reactions can include allergic reactions, migraines, and gastrointestinal distress. Consumers need to be aware of the additives used in their foods and monitor their reactions to these additives.

Food manufacturers are required to list all additives used in their products on the product label. This allows consumers to make informed choices about the foods they eat and avoid any additives they may be allergic to or have adverse reactions to. Labeling requirements also help ensure transparency in the food industry, allowing consumers to know exactly what they are consuming.

Some food additives can interact with other additives or substances in food, potentially leading to harmful effects. For example, the combination of certain food dyes and preservatives has been linked to hyperactivity in children. Food manufacturers must consider the potential interactions of additives when formulating their products.