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labels contain a claim that a product meets a certain level of dissolution
or bioavailability or that it is certified for a dissolution standard
such as USP. Dissolution is the portion of an ingredient, usually
expressed as a percentage, that dissolves in the human digestive
tract, thereby making it available for absorption in the body.
(absorption) is a measure of the digestibility of a dietary supplement
into the bloodstream. The combined effect of dissolution and absorption
determines how much of a consumed ingredient ends up in the bloodstream.
is important because it indicates the degree to which consumption
of a substance affects the level (status) of that substance in your
body. A substance with poor bioavailability could have little or
no impact and therefore provide no benefit.
about reading the label:
labeling rules in effect
and recommended dosages
1999-2003 Dietary Supplement Quality Initiative. For permission to reprint,
please contact our editor.