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Writer's pictureCoach Patty, HealthSmart! Kids

How Food Additives Trigger Tantrums and Aggression in Toddlers and Kids



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As a parent, you're always trying to do what's best for your child, especially when it comes to their health and well-being. You know that what your child eats affects their physical growth, but did you know it can also impact their behavior?


Food additives, those often overlooked ingredients listed on packaging, might be causing your child’s mood swings, hyperactivity, or even aggression. In this article, we'll explore what these additives are, how they might be influencing your child’s behavior, and what steps you can take to support their mental and emotional well-being.


What Are Food Additives?


Food additives are substances added to food to enhance its flavor, appearance, texture, or shelf life. These can include preservatives, colorings, flavorings, sweeteners, and stabilizers. While many food additives are considered safe by food safety authorities, some research suggests that they can have unintended side effects, particularly in young children whose bodies and brains are still developing.

Common additives that you might find in your kids' favorite snacks, cereals, juices, or pre-packaged meals include artificial colorings like Red 40, Yellow 5, and Blue 1; preservatives such as sodium benzoate and butylated hydroxyanisole (BHA); and artificial sweeteners like aspartame and sucralose.


How Food Additives Affect Your Child's Behavior


You might wonder, how can something as small as a food additive impact my child’s behavior? The answer lies in how these substances interact with your toddler's or kid’s brain and body. Here are some of the main culprits when it comes to foods that cause anger and aggression:


  1. Artificial Colorings: Studies have shown that artificial food colorings can exacerbate symptoms of hyperactivity and attention issues in children, particularly those diagnosed with Attention-Deficit/Hyperactivity Disorder (ADHD). Even if your child hasn’t been diagnosed with ADHD, you might notice changes in their behavior like increased restlessness, difficulty focusing, or sudden mood swings after consuming foods with these colorings.

  2. Preservatives: Certain preservatives, such as sodium benzoate, have been linked to increased hyperactivity in children. Sodium benzoate is often found in sodas, fruit juices, and condiments. While the effects may vary from child to child, some parents have reported noticeable changes in behavior after their kids consume products containing this preservative.

  3. Artificial Sweeteners: Aspartame, a common artificial sweetener, has been associated with headaches, mood swings, and even seizures in some individuals. While research is ongoing, there's enough concern that parents often choose to avoid giving their toddlers and kids foods containing artificial sweeteners.

  4. Flavor Enhancers: Monosodium glutamate (MSG) is another additive to watch out for. While it’s commonly used to enhance the flavor of savory foods, MSG has been linked to headaches, mood changes, and behavioral issues in sensitive individuals, including children.


two boys fighting over a teddy bear

How Food Additives Can Influence Aggression


Aggressive behavior in toddlers and kids can be particularly distressing, both for you and your child. While many factors can contribute to aggression, including temperament, environment, and developmental stage, food additives are often an overlooked trigger. Here are some ways that additives can impact aggression and other behavior changes:


  1. Blood Sugar Spikes and Crashes: Many processed foods containing additives also have high levels of refined sugars. When your toddler or older kid consumes these foods, it can lead to a rapid spike in blood sugar followed by a sudden drop. This rollercoaster effect on blood sugar levels can result in irritability, frustration, and even aggressive outbursts as your child struggles to regulate their emotions.

  2. Chemical Sensitivities: Some toddlers might be more sensitive to certain chemicals found in food additives. This sensitivity can manifest as irritability, anxiety, or aggression, particularly if these additives are consumed regularly. Identifying these sensitivities can be challenging, but it’s worth considering if your child frequently displays aggressive behavior after eating specific foods.

  3. Impact on Brain Function: The developing brain of toddlers and young kids is highly sensitive to the substances they consume. Some food additives may interfere with neurotransmitters in the brain, which can influence mood and behavior. For example, preservatives like BHA have been found to affect brain function in animal studies, raising concerns among some researchers about their safety for our children.


What You Can Do


As a parent, it’s natural to feel concerned about the potential effects of food additives on your kid's behavior. Fortunately, there are steps you can take to minimize these risks and promote a healthier, more balanced diet for your child.


  1. Read Labels Carefully: Start by becoming more vigilant about reading food labels. Familiarize yourself with common food additives and check the ingredient lists on packaged foods before you buy them. Opt for products that are free from artificial colorings, preservatives, and sweeteners whenever possible.

  2. Choose Whole Foods: Whole foods like fruits, vegetables, whole grains, and lean proteins are free from additives and are a great way to ensure your child is getting the nutrients they need without the added chemicals. Preparing meals and snacks from scratch using fresh ingredients can help you avoid unwanted additives.

  3. Limit Processed Foods: Processed foods are often packed with additives to enhance their flavor and extend their shelf life. Limiting the amount of processed foods in your child's diet can significantly reduce their exposure to these substances. Instead, try to incorporate more homemade meals and snacks into their daily routine.

  4. Observe and Document: If you suspect that certain foods are affecting your child's behavior, start keeping a food diary. Note what your toddler or older kid eats and any subsequent changes in their behavior. This can help you identify patterns and determine if specific additives might be contributing to behavioral issues.

  5. Consult a Healthcare Professional: If you’re concerned about your child’s behavior or suspect a food sensitivity, it’s always a good idea to consult with your pediatrician or a nutritionist. They can offer advice on managing your child’s diet and help with any sensitivities that might be linked to behavior issues.

Final Thoughts


As you navigate the ups and downs of parenting, understanding how food additives might impact your child’s behavior is a key part of supporting their overall well-being. Even though not every child will react to these additives, paying attention to what your toddler or older kid eats can help you spot and avoid any triggers that might lead to behavior or aggression issues.


By making thoughtful choices about the foods you offer and watching how your child responds, you can build a healthier, more balanced diet that supports both their physical growth and emotional well-being. A well-nourished, happy child is more likely to thrive in all areas of life.


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All blog content shared through HealthSmart! Kids is for informational purposes only and not to be construed as medical advice. Always talk with your qualified health care provider for managing your health care needs.

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