5 Pharmaceuticals for the treatment of complex or rare multisystem disorders, namely, autoimmune disorders, autonomic nervous system disorders, microbiota-gut-brain axis disorders, concussions, connective tissue disorders, dysautonomia, gastrointestinal disorders, gastrointestinal motility disorders, genetic disorders, headaches, immunological disorders, neurocognitive disorders, neurological disorders, neurogastrointestinal disorders, pain, post-traumatic stress disorder, rheumatic disorders, or traumatic brain injuries; pharmaceutical preparations for the treatment of complex or rare multisystem disorders, namely, autoimmune disorders, autonomic nervous system disorders, microbiota-gut-brain axis disorders, concussions, connective tissue disorders, dysautonomia, gastrointestinal disorders, gastrointestinal motility disorders, genetic disorders, headaches, immunological disorders, neurocognitive disorders, neurological disorders, neurogastrointestinal disorders, pain, post-traumatic stress disorder, rheumatic disorders, or traumatic brain injuries; therapeutic pharmaceuticals for the treatment of complex or rare multisystem disorders, namely, autoimmune disorders, autonomic nervous system disorders, microbiota-gut-brain axis disorders, concussions, connective tissue disorders, dysautonomia, gastrointestinal disorders, gastrointestinal motility disorders, genetic disorders, headaches, immunological disorders, neurocognitive disorders, neurological disorders, neurogastrointestinal disorders, pain, post-traumatic stress disorder, rheumatic disorders, or traumatic brain injuries; medical preparations for the treatment of complex or rare multisystem disorders, namely, autoimmune disorders, autonomic nervous system disorders, microbiota-gut-brain axis disorders, concussions, connective tissue disorders, dysautonomia, gastrointestinal disorders, gastrointestinal motility disorders, genetic disorders, headaches, immunological disorders, neurocognitive disorders, neurological disorders, neurogastrointestinal disorders, pain, post-traumatic stress disorder, rheumatic disorders, or traumatic brain injuries; prescription diets, namely, dietetic foods and nutritional and dietary supplements provided by prescription for the treatment of complex or rare multisystem disorders, namely, autoimmune disorders, autonomic nervous system disorders, microbiota-gut-brain axis disorders, concussions, connective tissue disorders, dysautonomia, gastrointestinal disorders, gastrointestinal motility disorders, genetic disorders, headaches, immunological disorders, neurocognitive disorders, neurological disorders, neurogastrointestinal disorders, pain, post-traumatic stress disorder, rheumatic disorders, or traumatic brain injuries