PROBLEM TO BE SOLVED: To provide supplement supply devices that can be individually installed in various places and shared by multiple users.SOLUTION: A supplement composition assisting method, a supplement supply system and supplement supply devices according to the present invention have supplement composition assisting logic comprising: receiving supplement suppliable information from the supplement supply devices; receiving input of schedule information; determining multiple pieces of action information on the basis of the schedule information; determining supplement reference information on the basis of the action information; and adjusting the supplement reference information on the basis at least of the supplement suppliable information and user information on users, thereby determining information on supplements to be composed by the supplement supply devices.SELECTED DRAWING: Figure 17
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