Fillers, Binders, or What Else Am I Getting?
There’s more to a vitamin supplement than meets the eye—and sometimes more than meets the label. Fillers, binders, lubricants, and the like do not haveto be listed and often aren’t.
But if you’d like to know what you’re swallowing, the following list should help.
Diluents or fillers These are inert materials added to the tablets to increase their bulk, in order to make them a practical size for com- pression. Dicalcium phosphate, which is an excellent source of calcium and phosphorus, is used in better brands. It is derived from purified mineral rocks. It is a white powder. Sorbitol and cellulose (plant fiber) are used occasionally.
Binders These substances give cohesive qualities to the powdered materials; otherwise, the binders or granulators are the materials that hold the ingredients of the tablet together. Cellulose and ethyl cellulose are used most often. Cellulose is the main constituent of plant fiber. Occasionally, lecithin and sorbitol are used. Another binder that can be used, but that you should be aware of—and look out for—is
Acacia (gum...