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Water Out

4.6
★ ★ ★ ★ ★
(25677 ratings)
Vitamin B6 25 mg
Potassium 99 mg
Product Image
Score71
A transparent herbal fluid-loss product with a small potassium contribution. It is not broad heart support and can increase dehydration or electrolyte imbalance.
How scoring works
Capsule
Quantity:100 Capsule(s) • (50 servings)
Goals:
Heart Health

Score 71

A transparent herbal fluid-loss product with a small potassium contribution. It is not broad heart support and can increase dehydration or electrolyte imbalance.
How scoring works
$11.60($0.23 per serving)
iHerb
$ 12.23
Vitacost
$ 12.49
Pure Formulas
$ 11.89
Daily Vita
$ 11.60
iHerb
$ 12.23
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Analysis

Uva ursi, dandelion, juniper, and buchu are combined to increase fluid output, with a small potassium amount and vitamin B6 alongside them. The formula may suit short-term water-balance goals more than cardiovascular nutrition.

The potassium amount is too small to replace meaningful electrolyte losses, and the botanicals do not create a broad heart-health strategy. Uva ursi is quantified to arbutin, which improves disclosure, while the other plant preparations are less detailed.

The capsules require careful use because several ingredients can increase fluid loss at the same time. People using diuretics or managing kidney function have a particularly important product-specific risk.

Who is it for
  • Adults seeking short-term fluid-balance support
  • Users who are not taking diuretics
  • People able to monitor hydration and tolerance
Best for
  • Short-term water-balance routines
  • Herbal diuretic support
  • Clearly quantified uva ursi intake

Pros

  • Uva ursi extract is quantified
  • Focused herbal combination
  • Active amounts are disclosed
  • Convenient capsules

Cons

  • Potassium replacement is minimal
  • Not a comprehensive heart formula
  • Several botanicals increase fluid loss
  • Vitamin B6 uses a basic form

Warnings

  • Uva ursi, dandelion, juniper, and buchu may increase dehydration or electrolyte imbalance during prolonged use.
  • People using prescription diuretics should avoid stacking this formula without clinician review.
  • Kidney disease or impaired kidney function makes the fluid-loss and potassium combination less suitable.

Nutrient quality

60 Moderate impact

Pyridoxine and potassium chloride are basic forms, while botanical standardization is uneven. The herbal diuretic amounts are practical, but potassium replacement is small.

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Ingredient transparency

76 High impact

All meaningful active amounts are clearly disclosed. The supplied data does not include a complete inactive ingredient list.

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Customer satisfaction

70 High impact

The aggregate satisfaction measure is supported by adequate volume. Missing feedback themes leave recurring complaints and purpose fit uncertain.

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Value for money

80 Highest impact

The price is reasonable for the formula quality and dose. Each serving provides good cost efficiency.

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Goals

Impact
Moderate effect
D- Goal FitD Strength of SupportD- CoverageB- Formula Quality
Vitamin B6 · 25 mg

Potassium and several diuretic botanicals relate to fluid balance, but the formula does not provide broad heart support. The potassium amount is very small relative to daily needs.

Uva ursi, dandelion, and juniper may increase fluid loss without supplying meaningful electrolyte replacement. People using diuretics or managing kidney problems face a product-specific dehydration and electrolyte concern.

Study evidence
Potassium Supportive 182 studies

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
25 mg
Potassium (Potassium Chloride)
99 mg
Uva Ursi extract (Arbutin)
250 mg
Dandelion
200 mg
Juniper
120 mg
Buchu
120 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
D+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB- Value

The 25 mg pyridoxine hydrochloride dose is clearly disclosed and sits within the preferred range, though the precursor form is less metabolically ready than P-5-P. Its two-capsule serving is economical for the broader herbal formula. Uva ursi with dandelion and juniper may increase fluid loss, creating dehydration or electrolyte concerns with prolonged use.

D+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyD+ Value

Potassium chloride is a practical electrolyte, but the 99 mg amount is low for general potassium support. The label makes the mineral amount clear and the serving cost is low. Uva ursi, dandelion, and juniper may increase fluid loss, so the combination warrants care for people using diuretics or managing kidney problems.

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Sources

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

  1. 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
  2. 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
  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. 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
  9. 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
  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