"Take your vitamins! Dr. Vitamin throws vitamins at other troops to boost one or many of their abilities for a short period of time."
Dr. Vitamin is a Prototroop that throws vitamins at friendly units. These vitamins heal affected units and also increases their attack and movement speed (?). These vitamins are able to affect all types of Troops other than other Dr. Vitamins.
Dr. Vitamin is unlocked for players who have an Armory level of 13 or above and starts 1 level below the Armory level. It can be upgraded using Proto Tokens gained from events.
Dr. Vitamin shares the same amount of hitpoints with fellow support troops, Medic and Engineer.