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Whey Protein Isolate Unflavored

NOW Sports
4.8
(222 ratings)
Potassium 155 mg
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Score91

The highest value bulk protein isolate for clean, additive-free mineral and protein intake.

How scoring works
Quantity:10 lb(s)(162 servings)
Goals:
Heart Health

Score 91

The highest value bulk protein isolate for clean, additive-free mineral and protein intake.

How scoring works
$140.88($0.86 per serving)
Daily Vita
$ 175.90
Vitacost
$ 140.88
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Analysis

This massive 10lb unflavored isolate delivers consistent 155mg doses of potassium alongside 25g of protein. It is an ideal foundational supplement for maintaining muscle mass and supporting general cardiovascular function over time.

By avoiding all flavorings and sweeteners, this product ensures you are getting only the nutrients you need. It is a great fit for dedicated athletes or large households looking for the most cost-effective protein source.

Pros

  • Unbeatable price per serving in 10lb size
  • Zero artificial additives or sweeteners
  • Consistent source of naturally occurring potassium
  • Extremely lean profile for heart health
  • Easy to mix into large-batch smoothies

Cons

  • 10lb bag is very large and can be hard to store
  • Unflavored taste requires mixing with other ingredients
  • Secondary source of potassium only

Warnings

  • Contains dairy
  • Check for freshness after opening the large bag
  • Consult a professional if tracking strict mineral intake

Nutrient quality

79 High impact

The unflavored format in a large bulk size provides high-purity protein with supportive mineral levels. While potassium doses are secondary, the overall profile is clean and well-balanced for long-term physical support.

Ingredient transparency

100 Highest impact

Labeling is exceptionally clear, providing full disclosure of active and nutritional amounts. The absence of proprietary blends and hidden components ensures the formula is easy to judge for dietary fit.

Customer satisfaction

92 Highest impact

An exceptionally high average rating indicates strong user satisfaction, even with a smaller relative review pool for this size. Feedback highlights the value and quality of the unflavored isolate for long-term use.

Value for money

93 Highest impact

The extra-large format provides the best cost efficiency per serving for this isolate category. High ingredient purity and transparency justify the overall price point for consistent users.

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Goals

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

Potassium naturally present in whey protein isolate helps support heart rhythm and healthy vascular muscle function. This electrolyte is essential for maintaining the balance needed for optimal blood pressure and circulatory wellness.

Heart-health contributions are modest, as the product is primarily designed for muscle recovery. It lacks the therapeutic dosages and specialized heart-focused ingredients found in dedicated cardiovascular supplements.

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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 OverallScore43
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD+ Value
This high-volume protein isolate delivers natural potassium in every scoop, making it a cost-effective secondary source for active individuals. However, the dose and form are not optimized for therapeutic mineral supplementation.
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