Re. Bioavailability

Subject: Re. Bioavailability
From: geoff-h -at- MTL -dot- FERIC -dot- CA
Date: Wed, 31 Jan 1996 08:51:55 -0600

Brad DeMond asked whether "bioavailability" was just a
synonym for efficacy. The short answer is no; the long
answer is that the bioavailability of a compound determines
whether it will be efficacious.

I've read that many fat-soluble vitamins, for example, have
low bioavailability because most people eat them on an
empty stomach; because there is no fat present to soak them
up, they never get absorbed and pass right through you.
Oral rehydration therapy works on the same principle:
combining water with salt and glucose helps the water
become bioavailable.

--Geoff Hart @8^{)}
geoff-h -at- mtl -dot- feric -dot- ca

Disclaimer: If I didn't commit it in print in one of our
reports, it don't represent FERIC's opinion.


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