Nutritional supplements may play a role in supporting the health and well-being of children with autism spectrum disorder, but it’s important to approach supplementation with caution and to consult with a qualified healthcare provider before starting any new regimen. Here are some nutritional supplements that may be beneficial for children with autism:
- Omega-3 fatty acids: Omega-3 fatty acids, found in fish oil and certain plant sources like flaxseed, chia seeds, and walnuts, have been studied for their potential benefits in autism. Some research suggests that omega-3 supplementation may help improve cognitive function, behaviour, and social skills in children with autism.[1] Omega-3 fatty acids are important for brain development and function, and supplementation may help support healthy brain function in children with autism.
- Vitamin D: Vitamin D deficiency is common in children with autism and has been associated with increased severity of autism symptoms .[2] Vitamin D plays a crucial role in bone health, immune function, and overall well-being. Supplementation with vitamin D may help improve its blood levels and support overall health in children with autism. However, it’s important to have vitamin D levels monitored and consult with a healthcare provider to determine the appropriate dosage for your child.
- Probiotics: Probiotics are beneficial bacteria that support gut health and digestion. Some children with autism may have gastrointestinal issues or imbalances in the gut microbiome, and supplementation with probiotics may help improve gut health and alleviate gastrointestinal symptoms. Research suggests that probiotics may also have potential benefits for behaviour and mood in children with autism.[3],[4]
- Vitamin B6 and magnesium: Some studies have suggested that supplementation with vitamin B6 and magnesium may help improve behaviour and reduce hyperactivity in children with autism.[5],[6] These nutrients play important roles in neurotransmitter function and may help support healthy brain function in children with autism.
- Vitamin C: Vitamin C supplements are given to reduce gut inflammation and oxidative stress.
- Zinc: Zinc is an essential mineral that plays a role in immune function, metabolism, and brain development. Some children with autism may have low zinc levels, and supplementation with zinc may help support overall health and well-being. However, it’s advised to consult with a healthcare provider to determine the appropriate dosage and monitor zinc levels to avoid excess intake.
It’s important to note that individual responses to nutritional supplements may vary, and not all children with autism may benefit from supplementation. Additionally, supplementation should be used as part of a comprehensive treatment plan that includes behavioural interventions, therapy, and support services tailored to the child’s specific needs. Before starting any new supplement regimen, it’s important to consult with a qualified healthcare provider who can provide personalized guidance and support based on your child’s individual needs and circumstances.
[1] Doaei S. et al. The effect of omega-3 fatty acids supplementation on social and behavioral disorders of children with autism: a randomized clinical trial. Pediatr Endocrinol Diabetes Metab. (2021) 27(1):12-18.
[2] Kittana M, Ahmadani A, Stojanovska L, Attlee A. The Role of Vitamin D Supplementation in Children with Autism Spectrum Disorder: A Narrative Review. Nutrients. (2021) Dec 22;14(1):26.
[3] Ansari F, Pourjafar H, Tabrizi A, Homayouni A. The Effects of Probiotics and Prebiotics on Mental Disorders: A Review on Depression, Anxiety, Alzheimer, and Autism Spectrum Disorders. Curr Pharm Biotechnol. (2020) 21(7):555-565.
[4] Martínez-González AE, Andreo-Martínez P. Prebiotics, probiotics and fecal microbiota transplantation in autism: A systematic review. Rev Psiquiatr Salud Ment (Engl Ed). (2020) Jul-Sep;13(3):150-164. E
[5] Kohji Sato, Why is vitamin B6 effective in alleviating the symptoms of autism?, Medical Hypotheses (2018) Vol. 115/103-106,
[6] Mousain-Bosc M, Siatka C, Bali JP. Magnesium, hyperactivity and autism in children. Magnesium in the Central Nervous System [Internet]. Adelaide (AU): University of Adelaide Press; 2011. Available from: https://www.ncbi.nlm.nih.gov/books/NBK507249/
