Vitamin D3 is essential, as deficiency is widespread in children with ASD, and supplementation has been linked to improvements in eye contact, communication, and social behaviors
ProQuest 1300109042
If digestive symptoms such as ongoing diarrhea, abdominal pain, bloating, or unexplained weight loss are present, evaluation for malabsorption may be needed
IGF-1LR3 IGF-1 LR3 is a long-acting analog of insulin-like growth factor 1 studied for its role in muscle growth, cellular repair, and anabolic signaling
FEBS Lett 440(12):7175 El-Agnaf OM, Salem SA, Paleologou KE, Curran MD, Gibson MJ, Court JA, Schlossmacher MG, Allsop D (2006) Detection of oligomeric forms of alpha-synuclein protein in human plasma as a potential biomarker for Parkinsons disease
A foundational 2005 study by Guideri et al