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Tagged with 'osmolality'

Osmolality and Fueling for Sport: Why it Matters

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Osmolality is a measure of the number of dissolved particles in a solution. You can think of it as a fancy word for the concentration, or density, of a fluid. Scientifically speaking, the osmolality of a solution refers to the concentration of osmotically active particles in that solution. Osmolality is a function of the number of particles and is not related to particle weight, size, shape, or charge. Almost every fluid has an osmolality above zero — Except for distilled water, which has been processed to remove all other substances or “solutes” from the water molecules.

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