food supplement form edible tablet A tablet is a mixture of active substances and excipients, usually in powder form, pressed or compacted into a solid. Tablets can be made in virtually any shape, although requirements of patients and tableting machines mean that most are round, oval or capsule shaped. Medicinal tablets and capsules are often called "pills". This is technically incorrect, since tablets are made by compression, whereas pills are ancient solid dose forms prepared by rolling a soft mass into a round shape. A caplet is a smooth, coated, oval shaped medicinal tablet in the shape of a capsule. [Wikipedia] caplet pill requires discussion