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>I recently came across the word "bioavailable" in some pharmaceutical
>material I was reviewing. Is this a currently popular synonym for
>"efficacy," or does "bioavailable" denote something more, e.g. the speed at
>which the drug is metabolized, takes effect, etc.?
Calcium is efficacious against osteoporosis, but the calcium in some tablets
may not be bio-available, i.e., the body may process it without absorbing