Nutritainer is an in-mouth nutrient intake tracking wearable for outpatients with disordered eating patterns so they can maintain personal freedom while receiving better and more tailored care. Implemented in a commercial setting and utilized by medical professionals to offer their patients more individualized, accurate, timely, and effective care. It takes the form of a semi-permanent, bonded, lower retainer that is charged through a temporary night-guard. The temporary night-guard is charged through its case due to the wireless nature these actions necessitate.