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Whey Protein Isolate Creamy Vanilla

NOW Sports
4.6
★ ★ ★ ★ ★
(4394 ratings)
Potassium 158 mg
Protein (unspecified) 25 Gram(s)
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Score82
Lean whey isolate and a substantial protein serving are useful for daily intake, but the formula has little direct heart-health depth.
How scoring works
Quantity:5 lb(s) • (71 servings)
Goals:

Score 82

Lean whey isolate and a substantial protein serving are useful for daily intake, but the formula has little direct heart-health depth.
How scoring works
$98.21($1.38 per serving)
iHerb
$ 98.21
Vitacost
$ 102.37
Vitacost
$ 102.39
Daily Vita
$ 102.10
iHerb
$ 98.21
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Analysis

The creamy vanilla powder delivers a substantial protein serving in a lean nutrition profile. Low fat, carbohydrate, sodium, and cholesterol make it easier to fit into varied eating plans.

Potassium is modest, so the product contributes only a small part of daily needs. No additional vascular or heart-focused actives are listed in the supplied facts.

The medium bulk size is practical, while Five-pound package offers good but not leading value is the main distinction from the otherwise similar package sizes. It is best chosen for convenient protein intake, not as a substitute for a broader heart-supportive diet.

Who is it for
  • Adults seeking a lean dairy protein powder
  • Users who want low fat and carbohydrate with their protein
Best for
  • Daily protein intake
  • Post-exercise protein
  • Low-carbohydrate shakes

Pros

  • Provides a substantial protein serving
  • Uses whey protein isolate
  • Contains very little fat
  • Five-pound package offers good but not leading value

Cons

  • Potassium contribution is modest
  • Does not target broader cardiovascular pathways
  • Contains no vitamin D
  • The creamy vanilla format may not suit every taste preference

Warnings

  • Whey protein is unsuitable for people with a milk-protein allergy
  • Dairy-derived powder may cause digestive symptoms in people sensitive to lactose
  • People following a medically prescribed protein restriction should account for the full serving

Nutrient quality

91 Highest impact

Whey protein isolate provides a complete, rapidly digested protein source. The protein amount is substantial, while potassium is only a moderate secondary nutrient.

Ingredient transparency

81 Highest impact

Protein, macronutrient, and mineral amounts are clearly stated. Whey isolate is specific, but the potassium source compound is not identified.

Customer satisfaction

70 High impact

The aggregate rating is positive, but the strength of its support depends on the feedback volume. No detailed review comments are supplied to assess taste, texture, tolerance, or repeated complaints.

Value for money

85 Highest impact

A substantial isolate serving supports strong formula quality and practical protein value. No token performance blends inflate the active profile.

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Ingredients

IngredientAmount per serving
Calories
120 Calorie(s)
Total Fat
0.5 Gram(s)
Cholesterol
5 mg
Sodium
50 mg
Total Carbohydrates
2 Gram(s)
Protein
25 Gram(s)
Vitamin D
0 mcg
Calcium
161 mg
Iron
0.3 mg
Potassium
158 mg
Gluten Free Adults 18–50 Kosher
Report overview
Potassium · 158 mg OverallScore39
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

Whey isolate supports protein intake, but it is not formulated to deliver a focused potassium dose. The potassium contribution is moderate and its source form is unspecified. The somewhat elevated serving cost weakens potassium-specific value.

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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 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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