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Potassium 99 mg

Thompson
4.7
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(1527 ratings)
Potassium 99 mg
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Score80
A simple amino acid complex works for a small potassium add-on, though its limited amount and narrow scope reduce the expected impact.
How scoring works
Quantity:90 Tablet(s) • (90 servings)
Goals:
Heart Health

Score 80

A simple amino acid complex works for a small potassium add-on, though its limited amount and narrow scope reduce the expected impact.
How scoring works
$4.26($0.04 per serving)
iHerb
$ 5.59
Vitacost
$ 4.87
Pure Formulas
$ 4.26
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Analysis

An amino acid potassium complex gives the tablet a focused, absorption-oriented form. At 99 mg, the serving contributes little compared with the amount normally obtained from food.

Potassium is relevant to sodium balance, fluid regulation, and normal cardiac electrical activity. The formula does not address vascular lipids, oxidative stress, or magnesium intake.

A large review count does not provide ingredient-level evidence, so the label remains the basis for assessment. The tablet fits deliberate low-dose use better than correction of a meaningful dietary shortfall.

Who is it for
  • Adults wanting a basic low-dose tablet
  • People seeking one disclosed potassium source
Best for
  • Minor potassium supplementation
  • Simple electrolyte support

Pros

  • Disclosed amino acid complex
  • Single active ingredient
  • Convenient long supply

Cons

  • Very small potassium contribution
  • No broader heart-support ingredients
  • Compound and elemental weights are not separated

Warnings

  • The 99 mg potassium serving may be unsuitable with impaired kidney function because potassium can accumulate.
  • ACE inhibitors, ARBs, and potassium-sparing diuretics can increase the risk of excessive blood potassium.
  • Taking potassium without enough fluid or food may cause stomach irritation in sensitive users.

Nutrient quality

78 High impact

A potassium amino acid complex provides an absorption-oriented organic source. The elemental amount is too small to make a substantial contribution to daily potassium intake, while the low amount avoids obvious excess for healthy adults.

Ingredient transparency

80 Highest impact

The form and elemental amount are clear, though the exact amino-acid ligand is not named. Serving totals are apparent, but full directions and inactive ingredients are not supplied.

Customer satisfaction

70 High impact

The supplied average rating is strong. A large rating base gives the average good reliability, while complaint and firsthand experience details are unavailable.

Value for money

93 Highest impact

Formula quality supports the asking position well. The serving value is highly competitive within the category.

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Goals

Impact
Moderate effect
B- Goal FitD+ Strength of SupportF CoverageA Formula Quality

An amino acid potassium complex provides a clearly focused electrolyte supplement. Potassium has a direct role in sodium-potassium balance and vascular physiology.

The serving is too small to make a substantial contribution to daily potassium intake. No magnesium or other cardiovascular active broadens the effect.

Study evidence
Potassium Supportive 182 studies

Ingredients

IngredientAmount per serving
Potassium (Potassium Amino Acid Complex)
99 mg
Adults 18–50
Report overview
A+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyD+ Value

An amino acid complex offers an organic, absorption-oriented potassium source. The 99 mg serving is still too small for substantial potassium support. Its very low serving cost is reasonable for the limited amount supplied.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies.
    D'Elia L; Barba G; Cappuccio FP; Strazzullo P · Journal of the American College of Cardiology · 2011
    Meta-analysis247,510 participants11 studies pooledHeart Health forPotassium
  2. Oral potassium supplementation for management of essential hypertension: A meta-analysis of randomized controlled trials.
    Poorolajal J; Zeraati F; Soltanian AR; Sheikh V; Hooshmand E; Maleki A · PloS one · 2017
    Meta-analysis1,213 participants23 studies pooledHeart Health forPotassium
  3. Effect of Potassium Supplementation on Endothelial Function: A Systematic Review and Meta-Analysis of Intervention Studies.
    D'Elia L; Cappuccio FP; Masulli M; La Fata E; Rendina D; Galletti F · Nutrients · 2023
    Meta-analysis332 participants5 studies pooledHeart Health forPotassium
  4. Magnesium and Potassium Supplementation for Systolic Blood Pressure Reduction in the General Normotensive Population: A Systematic Review and Subgroup Meta-Analysis for Optimal Dosage and Treatment Length.
    Behers BJ; Behers BM; Stephenson-Moe CA; Vargas IA; Meng Z; Thompson AJ; Melchor J; Wojtas CN; Rosario MA; Baker JF; Deevers AC; Mouratidis RW; Sweeney MJ · Nutrients · 2024
    Meta-analysisHeart Health forPotassium
  5. Potassium intake and risk of stroke in women with hypertension and nonhypertension in the Women's Health Initiative.
    Seth A; Mossavar-Rahmani Y; Kamensky V; Silver B; Lakshminarayan K; Prentice R; Van Horn L; Wassertheil-Smoller S · Stroke · 2015
    Cohort study90,137 participantsHeart Health forPotassium
  6. Effect of high potassium diet on endothelial function.
    Blanch N; Clifton PM; Petersen KS; Willoughby SR; Keogh JB · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2015
    Randomized trial35 participantsHeart Health forPotassium
  7. Associations between sodium, potassium, and blood pressure: results from the Hispanic Community Health Study/Study of Latinos, a prospective cohort study.
    Swift SL; Sotres-Alvarez D; Raij L; Wassertheil-Smoller S; Schneiderman N; Llabre M; Zeki Al Hazzouri A; Rundek T; Van Horn L; Daviglus M; Castaneda S; Youngblood M; Mossavar-Rahmani Y; Elfassy T · The American journal of clinical nutrition · 2024
    Cohort study11,429 participantsHeart Health forPotassium
  8. Serum potassium levels provide prognostic information in symptomatic heart failure beyond traditional clinical variables.
    Toledo CC; Vellosa Schwartzmann P; Miguel Silva L; da Silva Ferreira G; Bianchini Cardoso F; Citelli Ribeiro V; Paim LR; Antunes-Correa LM; Carvalho Sposito A; Matos Souza JR; Modolo R; Nadruz W; Fernandes de Carvalho LS; Coelho-Filho OR · ESC heart failure · 2021
    Cohort study178 participantsHeart Health forPotassium
  9. Long-Term Potassium Monitoring and Dynamics in Heart Failure and Risk of Mortality.
    Núñez J; Bayés-Genís A; Zannad F; Rossignol P; Núñez E; Bodí V; Miñana G; Santas E; Chorro FJ; Mollar A; Carratalá A; Navarro J; Górriz JL; Lupón J; Husser O; Metra M; Sanchis J · Circulation · 2019
    Cohort study2,164 participantsHeart Health forPotassium
  10. Finerenone, Serum Potassium, and Clinical Outcomes in Heart Failure With Mildly Reduced or Preserved Ejection Fraction.
    Vardeny O; Vaduganathan M; Claggett BL; Desai AS; Jhund PS; Lam CSP; Senni M; Shah SJ; Voors AA; Zannad F; Pitt B; Matsumoto S; Merkely B; Zieroth S; Yilmaz MB; Lay-Flurrie J; Viswanathan P; Horvat-Broecker A; Scalise A; McMurray JJV; Solomon SD · JAMA cardiology · 2025
    Randomized trial6,001 participantsHeart Health forPotassium
  11. Joint association of urinary sodium and potassium excretion with cardiovascular events and mortality: prospective cohort study.
    O'Donnell M; Mente A; Rangarajan S; McQueen MJ; O'Leary N; Yin L; Liu X; Swaminathan S; Khatib R; Rosengren A; Ferguson J; Smyth A; Lopez-Jaramillo P; Diaz R; Avezum A; Lanas F; Ismail N; Yusoff K; Dans A; Iqbal R; Szuba A; Mohammadifard N; Oguz A; Yusufali AH; Alhabib KF; Kruger IM; Yusuf R; Chifamba J; Yeates K; Dagenais G; Wielgosz A; Lear SA; Teo K; Yusuf S; PURE Investigators · BMJ (Clinical research ed.) · 2019
    Cohort study103,570 participantsHeart Health forPotassium
  12. Effects of potassium supplementation on office, home, and 24-h blood pressure in patients with essential hypertension.
    Kawano Y; Minami J; Takishita S; Omae T · American journal of hypertension · 1999
    Randomized trial55 participantsHeart Health forPotassium