Frontiers Improving Antioxidant Capacity in Children With Autism: A Randomized, Double Blind Controlled Study With Cysteine Rich Whey Protein Dr. Stewart's favorite supplement for children with Autism? There's no single supplement Dr. Stewart can recommend by itself that can provide the proper support you're looking for But with all the Leucovorin and autism: A potential avenue for treatment, but more research is needed. Leucovorin is FDA approved for children with cerebral folate deficiency. However, the science is still evolving, and we need Studies show children with autism have significantly lower levels of glutathione, the body's master antioxidant. Without enough glutathione, the body struggles to eliminate toxins, making it harder to cope with everyday