Additional products can be used after an autism diagnosis; however, these products should be recommended by medical doctors, and there should be a sufficient number of scientific studies and R&D (Research and Development) work conducted before their production. Scientific evidence must be strong. The licenses and documents for the product must be completed. The product must be manufactured in a pharmaceutical factory capable of meticulous production with various certifications (Good Manufacturing Practices, GMP). The product must have analysis reports conducted by accredited institutions and reliable analysis laboratories (heavy metals, active pesticides, gluten, E. coli, Salmonella, Candida albicans, etc.), and these reports should be accessible to users. It should have no side effects, and finally, its efficacy should have been experienced in humans.

Products with opposing effects should not be randomly used together.