The ornamental design for a vitamintabletdispenser, as shown and described.
FIG. 1 is a top, front, and left side perspective view of a vitamin tablet
dispenser showing my new design;
FIG. 2 is a top, front, and left side perspective view thereof, with the
product filling door at the top shown partially opened and the delivery
chute at the bottom shown open;
FIG. 3 is a left side elevational view thereof, the right side being a
mirror image of that shown and the bottom-line disclosure of a
wall-mounting rail being for illustrative purposes only and forming no
part of the claimed design;