On 27th of June, Medisa Ara Gostar department was participated in the morning program at Akbar Children’s Hospital of Mashhad. This event was held by presence of about 30 Pediatric endocrinology and children metabolism professors. Dr. Saeedeh Talebi (children pediatrician and Ph.D of Nutrition Sciences) as the moderator of presentation, introduced Hydroxy cobalamin liposomal’ essence to treat the children with MMA disorder (deficiency of cobalamin). In addition, the necessity of vitamin B12 to improve the performance of neurology and endocrinology systems declared. During the program, the impressive role of Cannabidiol (CBD) to refine the symptoms of Epilepsy, reduce various side effects of chemotherapy, and alleviate the signs of children with ADHD disorder was discussed.