Potassium: study protocols
20 study groups say how much Potassium participants took a day. These are the doses the studies gave. They are not a recommendation.
Dose per serving from products
3,062 products in our catalogue print how much Potassium a serving holds.
Most common: 50 mg to 100 mg, 29% of 3,062 products.
| Dose per serving | Products |
|---|---|
| 2.5 mg or less | 86 |
| 2.5 mg to 5 mg | 76 |
| 5 mg to 10 mg | 104 |
| 10 mg to 25 mg | 311 |
| 25 mg to 50 mg | 451 |
| 50 mg to 100 mg | 881 |
| 100 mg to 250 mg | 819 |
| 250 mg to 500 mg | 261 |
| over 500 mg | 73 |
Dose per serving from research
15 study groups in 11 studies say how much Potassium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mmol to 100 mmol, 60% of 15 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mmol to 25 mmol | 3 |
| 25 mmol to 50 mmol | 3 |
| 50 mmol to 100 mmol | 9 |
Commonly used together
5 of 20 study groups took Potassium with something else, but nothing that 3 or more different studies gave.
20 study groups
| Study | |||
|---|---|---|---|
| Inorganic nitrate benefits contrast-induced nephropathy after coronary angiography for acute coronary syndromes: the NITRATE-CIN trial 2024 · Inorganic nitrate · Adults aged 18 or older with non-ST-elevation acute coronary syndrome at risk of contrast-induced nephropathy, undergoing coronary angiography | 12 mmol | 5 days | 319 |
| A randomized, controlled trial of oral sulfate solution versus polyethylene glycol for bowel preparation for colonoscopy 2025 · Group A (OSS) · Men and women aged 18–70 years undergoing screening, surveillance, or diagnostic colonoscopy | 3.13 g | 1 day | 324 |
| The effect of low-dose potassium supplementation on blood pressure in apparently healthy volunteers 2003 · 24 mmol slow-release KCl/d · Apparently healthy volunteers | 24 mmol | 6 weeks | 30 |
| Short-Term RCT of Increased Dietary Potassium from Potato or Potassium Gluconate: Effect on Blood Pressure, Microcirculation, and Potassium and Sodium Retention in Pre-Hypertensive-to-Hypertensive Adults 2021 · K gluconate intervention · Men and women aged 21 years and older with pre-hypertensive-to-hypertensive blood pressure who were otherwise apparently healthy | 26 mmol | 16 days | 30 |
| The effect of a dietary supplement of potassium chloride or potassium citrate on blood pressure in predominantly normotensive volunteers 2008 · potassium citrate (K-cit) · Predominantly young, healthy, normotensive volunteers; age and sex not specified | 30 mmol | 6 weeks | 28 |
| Potassium depletion exacerbates essential hypertension 1991 · Low-potassium diet · 12 patients with essential hypertension; age and sex not specified | 16 mmol | 10 days | 12 |
| Potassium depletion exacerbates essential hypertension 1991 · High-potassium diet · 12 patients with essential hypertension; age and sex not specified | 96 mmol | 10 days | 12 |
| Effects of potassium on blood pressure in salt-sensitive and salt-resistant black adolescents 1999 · high potassium diet · Black adolescents who were salt-sensitive or salt-resistant | 80 mmol | 3 weeks | — |
| Effect of potassium supplementation on blood pressure in Chinese: a randomized, placebo-controlled trial 2001 · potassium supplementation group · Men and women aged 35–64 years with initial systolic blood pressure 130–159 mmHg and/or diastolic blood pressure 80–94 mmHg, living in a community in Beijing, China | 60 mmol | 12 weeks | — |
| Effect of potassium supplementation on blood pressure in African Americans on a low-potassium diet. A randomized, double-blind, placebo-controlled trial 1996 · potassium supplements · Healthy African Americans aged 27 to 65 years with systolic blood pressure of 100 to 159 mm Hg and diastolic blood pressure of 70 to 94 mm Hg | 80 mmol | 3 weeks | — |