Potassium Citrate

Potassium Citrate is a tier 1 form of Potassium, used in 1,281 on-market products and providing 36.2% elemental potassium by weight.

Basis: K3C6H5O7 x H2O, monohydrate (standard USP form, MW 324.41; anhydrous at 0.383 also exists)

Why this tier: Reported bioequivalent in absorption to potassium chloride; preferred clinically for kidney-stone prevention/urinary alkalinization rather than for an absorption advantage.

Source: uncertain -- needs review for exact primary comparative-PK source

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