Potassium Aspartate

Potassium Aspartate is a tier 2 form of Potassium, used in 318 on-market products and providing 22.8% elemental potassium by weight.

Basis: Monopotassium L-aspartate, C4H6KNO4, MW 171.19, CAS 1115-63-5 (cross-checked against a commercial 99mg-K-per-450mg-capsule label claim, consistent with this stoichiometry)

Why this tier: No dedicated comparative bioavailability study located; assumed acceptable given the label cross-check.

Source: uncertain -- needs review

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