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ISOFLEX Chocolate

4.7
★ ★ ★ ★ ★
(1708 ratings)
Potassium 229 mg
Protein 27 Gram(s)
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Score81
A concentrated whey serving supports daily protein intake with a generally lean nutrition profile. That potassium amount is still modest compared with daily needs, and its chemical form is not supplied.
How scoring works
Quantity:5 Pound(s) • (75 servings)
Goals:

Score 81

A concentrated whey serving supports daily protein intake with a generally lean nutrition profile. That potassium amount is still modest compared with daily needs, and its chemical form is not supplied.
How scoring works
$139.99($1.86 per serving)
Vitacost
$ 139.99
iHerb
$ 162.84
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Analysis

The chocolate isolate provides 27 g of protein with very little fat and carbohydrate. Among these variants, 229 mg of potassium is the larger contribution while sodium remains low.

Protein can support general nutrition and lean-mass maintenance, but it is not a targeted cardiovascular active. That potassium amount is still modest compared with daily needs, and its chemical form is not supplied.

The five-pound tub offers seventy-five servings but still sits at a relatively high serving cost. A dedicated potassium or heart-health product would be more suitable when cardiovascular support is the main reason for purchase.

Who is it for
  • Adults who need a convenient complete-protein supplement
  • People building meals or shakes around whey protein
  • Users treating potassium as a minor dietary contribution rather than the main benefit
Best for
  • Increasing daily protein intake
  • Supporting muscle maintenance alongside exercise
  • Convenient shakes and mixed meals

Pros

  • Provides 27 g of protein per serving
  • Includes 229 mg of naturally occurring potassium
  • 50 mg of sodium is clearly disclosed
  • Among these variants, 229 mg of potassium is the larger contribution while sodium remains low.

Cons

  • Not formulated around heart-specific active ingredients
  • Potassium source form is not identified
  • That potassium amount is still modest compared with daily needs, and its chemical form is not supplied.

Warnings

  • Whey is milk-derived and is not suitable for people with a milk-protein allergy.
  • People with chronic kidney disease may need an individualized protein and potassium limit before using a concentrated whey powder.
  • The naturally occurring potassium should be included in daily totals when using potassium-retaining medicines or following a potassium-restricted diet.

Nutrient quality

90 Highest impact

Whey isolate provides a substantial lean protein serving, while potassium makes only a modest contribution. The main protein amount is meaningful, though potassium remains modest.

Ingredient transparency

79 High impact

Active nutrient amounts are clearly shown on the supplied nutrition panel. The potassium compound and complete non-active ingredient list are not identified.

Customer satisfaction

89 Highest impact

The aggregate rating is strong and is supported by substantial review volume. No specific review comments are supplied, so repeated complaints and purpose alignment cannot be assessed directly.

Value for money

65 High impact

Value is fair for the formula quality and effective serving. The price largely pays for protein rather than meaningful potassium delivery.

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Ingredients

IngredientAmount per serving
Calories
120 Calorie(s)
Total Fat
0.5 Gram(s)
Cholesterol
0 mg
Total Carbohydrates
2 Gram(s)
Protein
27 Gram(s)
Calcium
108 mg
Iron
0.5 mg
Sodium
50 mg
Potassium
229 mg
Gluten Free Adults 18–50 Kosher
Report overview
Potassium · 229 mg OverallScore33
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD- Value

The potassium amount is moderate but does not reach the collection median. The undisclosed source leaves absorption quality and alkalizing potential unknown. Its serving cost is relatively high for a secondary potassium contribution.

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Sources

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

  1. 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
  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