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Whey Protein Isolate Unflavored

NOW Sports
4.8
★ ★ ★ ★ ★
(222 ratings)
Potassium 155 mg
Protein (unspecified) 25 Gram(s)
Product Image
Score84
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:10 lb(s) • (162 servings)
Goals:

Score 84

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

Also available as

3 options
Creamy Vanilla Protein (unspecified) 25 Gram(s), Potassium 158 mg • 10 lb(s) • 142 servings $175.90 ($1.23 per serving) 5 servings Protein (unspecified) 25 Gram(s), Potassium 155 mg • 5 lb(s) • 81 servings $100.76 ($1.24 per serving) 1 servings Protein (unspecified) 25 Gram(s), Potassium 155 mg • 1 lb(s) • 19 servings $35.20 ($1.85 per serving)
$140.88($0.86 per serving)
Daily Vita
$ 175.90
Vitacost
$ 140.88
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Analysis

The unflavored 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 very large format requires commitment, and The supplied package data produces unexpectedly weak assessed 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
  • The supplied package data produces unexpectedly weak assessed value

Cons

  • Potassium contribution is modest
  • Does not target broader cardiovascular pathways
  • Contains no vitamin D
  • The unflavored 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

92 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

67 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

95 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
110 Calorie(s)
Total Fat
0.5 Gram(s)
Cholesterol
10 mg
Sodium
45 mg
Total Carbohydrates
1 Gram(s)
Protein
25 Gram(s)
Vitamin D
0 mcg
Calcium
161 mg
Iron
0 mg
Potassium
155 mg
Gluten Free Adults 18–50 Kosher
Report overview
Potassium · 155 mg OverallScore42
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD Value

Bulk whey isolate supports protein needs and includes potassium as a naturally occurring secondary nutrient. The potassium amount is moderate, but no preferred source form can be verified. An economical serving cost improves value, though the dose remains below target.

View ingredientView products
Loading alternative details
86 Performance

W 100% Whey Isolate Protein Natural Flavor

Biochem
<p>It offers a more purposeful ingredient profile because 20 g of whey isolate comes with almost no carbohydrate or fat and avoids a low-value protein blend. The smaller protein amount favors lean supplementation rather than mass-gain nutrition.</p>
83 Performance

100% Whey Protein Isolate Unflavored

NutraBio
<p>It offers a more purposeful ingredient profile because 25 g of protein from 28.74 g of whey isolate provides a concentrated, low-carbohydrate serving. A likely cholesterol unit error and incomplete usage details reduce label confidence.</p>
84 Performance

Gold Standard 100% Whey Coffee

ON Optimum Nutrition
<p>It offers a more purposeful ingredient profile because 24 g of whey protein and a lean macronutrient profile provide practical recovery support. Ingredient-form and inactive-ingredient details are less complete than the core protein disclosure.</p>
77 Budget

Egg White Protein

NOW Sports
<p>It lowers recurring cost while 16 g of egg-white protein comes with no fat and very little carbohydrate. The protein amount is lower than a full whey serving, and inactive ingredients are not supplied.</p>
79 Budget

Pea Protein Power

Source Naturals
<p>It lowers recurring cost while 13 g of protein from pea concentrate offers a simple plant-based option with little carbohydrate or fat. The protein amount is moderate and lower than most whey isolate servings.</p>
76 Budget

Rice Protein Powder Plain

NutriBiotic
<p>It lowers recurring cost while 12 g of plain rice protein offers a low-fat plant-based serving. The protein amount is moderate and no amino-acid or processing details are provided.</p>
85 Value

NITRO TECH 100% Whey Gold Strawberry

MuscleTech Performance Series
<p>It balances ingredient coverage and value because 24 g of whey protein comes with little carbohydrate and a leaner nutrition profile. The supplied facts do not identify the whey fraction, amino-acid profile, or complete ingredient list.</p>
86 Value

Collagen Peptides No Added Flavor

ZHOU
<p>It balances ingredient coverage and value because 11 g of hydrolyzed bovine collagen peptides supplies 10 g of protein with little nutritional clutter. Collagen does not provide the same complete amino-acid profile as whey.</p>
74 Value

Organic Rice Protein Powder Chocolate

NutriBiotic
<p>It balances ingredient coverage and value because 11 g of rice protein offers a low-fat plant-based serving in a flavored powder. The protein amount is moderate, and flavor ingredients and use directions are missing.</p>
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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. 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