Vitamin and supplement dispensing system

A system, comprising:

• a plurality of holders;
• and
• a tray having a plurality of receptacles, each receptacle of which is configured to removably receive one of the plurality of holders;
• wherein each holder has a retention portion with outer walls that enclose a continuously smooth inner bore and that is characterized by a holder length, a closed bottom and a removable top;
• wherein the continuously smooth inner bore has, across the length, a substantially uniform cross-section in the form of a squircle;
• wherein the holder has, on an exterior surface at the removable top, a plurality of thread ramps, a plurality of snap-fit detents, and a plurality of snap-fit retention recesses;
• the holder further comprising a removable top cap having a top closure portion and a bottom safety ring that is coupled to the top closure portion with one or more break-away tabs;
• an inner recess of the removable top cap having a plurality of thread grooves that interface with the plurality of thread ramps, a plurality of snap-fit grooves that interface with the plurality of snap-fit detents, and a plurality of snap-fit tabs that interface with the plurality of snap-fit retention recesses;
• wherein the tray has a top planar rim;
• each receptacle in the plurality of receptacles has a contoured bottom surface whose height varies relative to the top planar rim from a first height at a lower leg region, a second height at a mid-bore support region, and a third height at an upper support region;
• and the top planar rim further includes at least one access cutout along a perimeter of the top planar rim.