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Whey Protein Isolate Unflavored

NOW Sports
4.7
★ ★ ★ ★ ★
(5476 ratings)
Potassium 155 mg
Protein (unspecified) 25 Gram(s)
Product Image
Score90

A clean, unflavored whey isolate providing high-quality protein and foundational potassium support.

How scoring works
Quantity:1 lb(s) • (19 servings)
Goals:
Heart Health

Score 90

A clean, unflavored whey isolate providing high-quality protein and foundational potassium support.

How scoring works

Also available as

4 options
10 servings Potassium 155 mg • 10 lb(s) • 162 servings $140.88 ($0.86 per serving) Creamy Vanilla Potassium 158 mg, Protein (unspecified) 25 Gram(s) • 1 lb(s) • 26 servings $25.00 ($0.96 per serving) Creamy Chocolate Potassium 216 mg, Protein (unspecified) 25 Gram(s) • 1 lb(s) • 25 servings $29.60 ($1.18 per serving) 5 servings Potassium 155 mg, Protein (unspecified) 25 Gram(s) • 5 lb(s) • 81 servings $100.76 ($1.24 per serving)
$35.20($1.85 per serving)
Vitacost
$ 37.79
Pure Formulas
$ 36.28
iHerb
$ 36.75
Vitacost
$ 37.83
Daily Vita
$ 35.20
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Analysis

The unflavored whey isolate is perfect for individuals who want to add protein to their diet without any added sugars or flavorings. It provides 155mg of naturally occurring potassium, supporting baseline mineral needs and cardiovascular health.

Because it is pure isolate, it maintains a very low fat and cholesterol profile, making it a heart-friendly protein choice. It fits well in any smoothie, recipe, or post-workout shake where you want to control the flavor.

Pros

  • No added sweeteners or flavorings
  • Extremely clean protein source
  • Naturally occurring potassium for heart health
  • Versatile for cooking and baking
  • Very low fat and carbohydrate content

Cons

  • The taste is very plain when mixed with just water
  • Potassium levels are modest
  • Price per serving is higher than flavored versions

Warnings

  • Contains milk proteins
  • Consult a professional if on a restricted mineral diet
  • Not a substitute for a full meal

Nutrient quality

79 High impact

The unflavored format offers high-quality protein without additional flavorings or sweeteners. While the potassium dose is modest, it provides a foundational amount of the mineral alongside a lean nutrient profile.

Ingredient transparency

100 Highest impact

Labeling is exceptionally clear, disclosing all nutritional values and ingredients with specific names. The absence of proprietary blends and hidden components ensures easy evaluation of the product's dietary contribution.

Customer satisfaction

95 Highest impact

A very high average rating from a large volume of reviews reflects exceptional consumer satisfaction. Feedback emphasizes the product's versatility for mixing and its quality as a pure protein source.

Value for money

86 Highest impact

The price per serving is fair for a high-purity unflavored isolate in a small format. Quality and transparency justify the cost, though bulk options may provide a lower price point over time.

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Goals

Heart Health
Impact
Lower effect
D Goal FitD- Strength of SupportF CoverageB- Formula Quality

Potassium naturally occurring in whey protein isolate helps support cardiovascular homeostasis and healthy vascular tone. This essential mineral contributes to the regulation of heart rhythm and maintenance of healthy blood pressure.

As a pure protein source, its heart-health impact is modest and serves as secondary nutritional support. It lacks the specialized nutrient cofactors and concentrated dosages found in high-potency cardiovascular supplements.

View goal →

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
121 mg
Iron
0 mg
Potassium
155 mg
Gluten Free Adults 18–50 Kosher
Report overview
Potassium · 155 mg OverallScore43
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD+ Value
This unflavored whey isolate contains a standard amount of naturally occurring potassium suitable for basic dietary support. It provides clean protein but is not an optimized source for high-potency electrolyte replenishment.
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Country Farms
4.5
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(1197 ratings)
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