Food & Supplements

Many autistic children experience eating patterns that are different from neurotypical children — a strong preference for a small number of “safe” foods, sensitivity to texture, smell, or temperature, and sometimes gastrointestinal discomfort that makes mealtimes stressful for the whole family. These patterns can put some children at risk for nutrient gaps, so thoughtful, individualized attention to diet is worthwhile. Please consult with your child’s pediatrician to see what solutions there are. 
 
Research has found that autistic children are more likely to be picky eaters, to have a narrower range of accepted foods, and to experience gastrointestinal issues such as constipation or reflux. But where difficulties exist, they can lead to shortfalls in specific nutrients rather than overall calories, since a child might eat plenty of food but from a very limited range.

Evidence on Autistic Children Taking Supplements

Supplement use is common among families of autistic children, but the evidence behind most individual supplements are mixed. Some points worth knowing:

• Evidence shows that Multivitamins are mainly a supported option for children whose diet is genuinely narrow.
• Consult with your child’s doctor before you provide supplements to your child when possible and be cautious of products marketed specifically as “autism supplements,” which are not FDA-regulated for that claim and vary widely in quality. 

Tips for Parents

• Start with an assessing the supplements first. Before cutting foods or adding supplements, consider having your child’s pediatrician evaluate the child’s current diet first. 
• Expand the “safe foods” list gradually. Rather than pressuring a child to eat a new food outright, try presenting it alongside familiar foods repeatedly and without pressure.
• Pay attention to sensory factors such as taste, texture, temperature, and smell. Provide small tweaks with food, such as adjusting the temperature, different cut, and different brand can sometimes help children accept new foods.
• Keep mealtimes predictable and low-pressure. Consistent routines, seating, and utensils can reduce anxiety around eating, which itself can improve intake over time.
• Enhance familiar foods. If a child reliably eats a few dishes, those can sometimes be nutritionally boosted (e.g., blending vegetables into a sauce, using fortified pasta or bread) while broader food variety is worked on separately.
• Watch for GI discomfort as a driver of food refusal. Constipation, reflux, or food sensitivities can make a child associate eating with discomfort, which can look like pickiness but has a different underlying cause and different fix. Please consult your child’s pediatrician if this is the case. 
• Introduce one supplement at a time. If a supplement is added, doing so one at a time — and tracking any changes in mood, sleep, GI symptoms, or behavior — makes it possible to tell whether it’s actually helping. First, consult with your child’s pediatrician. 
• Your pediatrician may suggest feeding therapy if needed. 
• Be cautious with supplement marketing. Products claiming to treat or improve autism specifically should be discussed with a doctor first.