Abstract: A dispenser can include: an optional water source inlet; a plurality of supplement cartridges including a supplement composition; at least one dispenser fluidly coupled with the optional water source inlet and plurality of supplement cartridges; a formulation mechanism operably coupled with the optional water source inlet and supplement cartridges, wherein the formulation mechanism is configured for regulating fluid flow from the optional water source inlet and the supplement cartridges to the dispenser; an input device configured to receive input from a user; and a dispenser controller. The dispenser controller can be configured to: receive identification information from a user via the input device; obtain a supplement dosage formulation for the user based on a personalized supplement protocol; and control dispensing of water and supplement composition(s) to provide the supplement dosage formulation to the user.