Some foods, such as packaged or processed items, often contain additives to enhance flavor, texture, appearance, and shelf life. While some food additives are considered safe, others can pose health risks, especially if consumed excessively or over the long term.
Food additives that are hazardous to health
Sodium nitrite and nitrate
Sodium nitrite and nitrate are commonly used in processed meats like sausages, ham, and bacon to prevent bacterial growth and maintain the meat's color. When heated at high temperatures, these compounds can react to form nitrosamines, which are carcinogenic.
Studies have linked high consumption of processed meats containing nitrites and nitrates with an increased risk of colorectal cancer and cardiovascular disease. Although their use in food is regulated by food safety authorities, it is advisable to limit consumption of processed meats.
Artificial food coloring
Artificial food coloring has been a controversial topic, particularly concerning its association with attention deficit hyperactivity disorder (ADHD). These colorings are often used to make food visually appealing.
Research suggests that certain food colorings, such as those containing tartrazine, may worsen ADHD symptoms and increase concentration difficulties in children. While not all children react negatively to artificial food colorings, some sensitive children may experience worsened symptoms after consuming foods with these colorings.
Aspartame
Aspartame is an artificial sweetener frequently used in sugar-free products. It is considered safe when consumed within established limits. However, excessive intake of aspartame has been linked to increased risks of:
- Addiction
- Skin problems like allergic reactions
- Early menstruation
- Kidney and liver damage
- Mood changes
Research has also explored potential links between aspartame and cancer, though it is not considered a primary cause of cancer.
Monosodium glutamate (MSG)
MSG is a sodium salt of glutamic acid used to enhance food flavor. Some individuals may be sensitive to MSG, experiencing symptoms like nausea, headaches, respiratory issues, or reactions collectively known as "Chinese Restaurant Syndrome."
Additionally, MSG contains sodium, which can raise blood pressure. People with hypertension or heart disease should limit their intake of MSG-containing foods.
Sulfites
Sulfites are preservatives used to prevent spoilage and maintain the color and freshness of food. While effective, sulfites can trigger allergic reactions and exacerbate asthma symptoms in some individuals.
In certain countries, like the United States, the use of sulfites as preservatives in fresh fruits and vegetables has been banned. Products that still use sulfites must list this ingredient on the food label, allowing those sensitive to it to avoid these products.
While food additives are frequently used for practical purposes, it is important to be aware of the risks they may pose. Consuming fresh and natural foods is the most effective way to avoid the health risks associated with additives in packaged and processed foods.
If you have any questions about food additives, you can make use of the consultation features that are available in the Ai Care application by downloading the Ai Care application from the App Store or Play Store.
Looking for more information about nutrition, food, and other diet tips? Click here!
- Sean Edbert Lim, MBBS
Claire McCarthy, MD, (2021). Common food additives and chemicals harmful to children. Available from: https://www.health.harvard.edu/blog/common-food-additives-and-chemicals-harmful-to-children-2018072414326
Better Health. Food additives. Available from: https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/food-additives#effects-of-food-additives
Kris Gunnars, BSc (2020). Are Nitrates and Nitrites in Foods Harmful?. Available from: https://www.healthline.com/nutrition/are-nitrates-and-nitrites-harmful
Becky Bell, MS, RD (2023). Food Dyes: Harmless or Harmful?. Available from: https://www.healthline.com/nutrition/food-dyes
WebMD (2024). What to Know About Aspartame. Available from: https://www.webmd.com/diet/what-to-know-about-aspartame
Cleveland Clinic (2020). 5 Food Additives You Should Avoid. Available from: https://health.clevelandclinic.org/5-food-additives-you-should-avoid