Supplement Label Index

Potassium Aspartate vs. Potassium Gluconate

Among 3,345 on-market potassium products with an identifiable primary form, 9.3% use Potassium Aspartate (310 products) and 7.1% use Potassium Gluconate (239).

Potassium AspartatePotassium Gluconate
Quality tierTier 2Tier 2
Potassium by weight22.8%16.7%
Share of market9.3%7.1%
On-market products310239
Median declared dose50 elemental mg
middle half: 25–99
33 elemental mg
middle half: 12–99
Most common brandsDouglas Laboratories, Bluebonnet, Pure EncapsulationsDC, Puritan's Pride, Wonder Laboratories

Doses are declared per serving in elemental mg. “By weight” is the share of the ingredient that is the nutrient itself (e.g. elemental magnesium in a magnesium salt).

Why Potassium Aspartate is tier 2

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

Source: uncertain -- needs review

Why Potassium Gluconate is tier 2

No dedicated comparative bioavailability citation located; assumed acceptable as a simple soluble monovalent salt.

Source: uncertain -- needs review

Tiers summarize published comparative bioavailability or outcome evidence for each form (see methodology). This page describes the market; it is not a recommendation to take either form. Talk to a clinician about what's right for you.

Other potassium comparisons