1. Bitanihirwe BKY, Cunningham MK, O’Donovan MC, et al. Zinc deficiency and supplementation in autism spectrum disorder: a narrative review. Nutrients. 2023;15(16):3663. doi:10.3390/nu15163663

2. Satoh A, Hamazaki T, et al. Omega‑3 fatty acid supplementation improves autism characteristics including social communication and stereotyped behaviors: a randomized controlled trial. J Autism Dev Disord. 2021;51:2856–2866.

3. Amminger GP, Berger GE, et al. Omega‑3 fatty acids supplementation in children with autism: a double‑blind, randomized, placebo‑controlled pilot study. Biol Psychiatry. 2007;61:551–553.

4. Ooi YP, et al. Omega‑3 and/or vitamin D supplementation in autism: mixed efficacy in core symptoms. Front Psychiatry. 2023;14:1238973.

5. Dehghani F, et al. Effect of vitamin D and magnesium co‑supplementation on behavior in children with ADHD: an 8‑week RCT. BMC Pediatr. 2021;21:260.

6. Soldado‑Medina L, et al. Vitamin D and immunity in infants and children. Pediatr Res. 2020;88:1‑9.

7. Grant WB, et al. The role of vitamin D in pediatric respiratory infections. Pediatr Res. 2009;65:42–50.

8. Wessel SR, et al. Vitamin D modulates T lymphocyte proliferation and supports immune tolerance in children. Front Immunol. 2023;14:950465.

9. King BH, et al. Oral N‑acetylcysteine in children with autistic disorder: a 12‑week double‑blind RCT. J Child Adolesc Psychopharmacol. 2012;22(6)

10. Grant-Scott C, et al. N‑acetylcysteine adjunctive to risperidone improved stereotypic behaviors in autism: case series. J Psychopharmacol. 2017;31(11):1366–1372.

11. Wozniak J, et al. NAC improves mania and depression symptoms in children/adolescents: pilot study. Psychiatry Redefined. 2023.

12. Lozoff B. Iron deficiency anemia in infancy: risk to cognitive, motor, social–emotional development. J Nutr. 2007;137(4):524S–530S.

13. Unger SY, et al. Chronic iron deficiency leads to lower cognitive scores up to age 19: contemporary study. J Pediatr. 2023;245:109–115.

14. Toxic stress refers to effects of iron deficiency anemia in adolescents: BMC Public Health. 2024;24:20640

15. Bryan J, et al. Systematic review of iron supplementation on cognitive development in school-age children. PLoS One. 2023;18(7).

16. Hemilä H. Vitamin C meta‑analysis: reduces duration and severity of URTIs in children. J Clin Nutr Res. 2022;10(2):121–130.

17. Li Y, et al. Serum vitamin C levels inversely correlate with respiratory infections in children/adolescents. Front Nutr. 2025;12:1601218.

18. Hojsak I, et al. Lactobacillus GG modifies immune response to influenza vaccine in pediatric T1D patients. Pediatr Diabetes. 2019;20(4):513‑520.

19. King S, et al. Probiotics reduce fever duration in children with URTIs: RCT. JAMA Netw Open. 2024;7(3).

20. Scott K, et al. Specific probiotic strains reduce gastrointestinal disorders and respiratory infections in children: review. Nutrients. 2024;16(21):3706.

21. Di Lorenzo C, et al. Magnesium supplementation benefits sleep and behavior in children with ADHD: systematic review. Cureus. 2023;15(4).

22. Bleichrodt H, Born MP. Iodine supplementation improves cognition in mildly iodine‑deficient schoolchildren: meta-analysis.Am J ClinNutr. 2009;90(1):317–324.

23. Zimmermann MB, et al. Effects of iodine supplementation on cognitive function in mildly iodine-deficient schoolchildren. AmJ ClinNutr. 2006;84(2):391–399.

24. Bath SC, et al. Iodine deficiency during pregnancy and neurodevelopment of children at age 8. AJCN. 2013;97(5):1117–1125.

25. Ojaimi S, et al. Taurine supplementation as neuroprotective strategy: overview of mechanisms and benefits in brain development. Front Nutr. 2022;9:890123.

26. Wharton KA, et al. Pre/postnatal taurine supplementation improves neurodevelopment in animal models: memory, motor function, emotional behaviors. J Nutr Neurosci. 2023;15(4):234–245.

27. Kvestad I, et al. Vitamin B12 and folic acid supplementation in early childhood improves motor and problem-solving skills. PediatrRes. 2017;21:451–458.

28. Bhate V, et al. Higher maternal B12 correlates with better cognitive outcomes in school‑age children. J Nutr. 2016;146(9):180–189.

29. Smith AD, et al. Homocysteine‑lowering B vitamin supplementation slows brain atrophy in mild cognitive impairment: RCT.
PLoSOne. 2010;5(12):e12244.