Potassium
2 brands compared · cheapest first
ThorneBest value
Potassium Citrate
99 mg potassium (as citrate) · 90 capsules
$17.00for 90 doses
$0.189per dose
$0.00191 / mg
Citrate form (also urinary alkaliser — kidney stone prevention). 99mg is the FDA-limited per-capsule cap.
Pure Encapsulations
Potassium (Citrate)
99 mg potassium (as citrate) · 90 capsules
$18.50for 90 doses
$0.206per dose
$0.00208 / mg
Similar product to Thorne. 180-cap (B004DSE56K, $32.50) ~12% cheaper per cap.
Also worth a look
LMNT
Life Extension doesn't carry standalone potassium. **For higher potassium doses (electrolyte protocols)**: LMNT (recovery drink), NOW Potassium Citrate Powder — capsules are capped at 99mg by FDA so daily potassium intake (target 3500-4700mg) really requires food (banana, potato, leafy greens) or powder/drink.