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100% Whey Protein Isolate Cinnamon Sugar Donut

NutraBio
4.4
★ ★ ★ ★ ★
(235 ratings)
Sodium 110 mg
Potassium 150 mg
Phosphorus 63 mg
Protein (unspecified) 25 Gram(s)
Product Image
Score68
Lean, high-protein whey isolate with good macro efficiency, but limited heart relevance and an unreliable cholesterol entry.
How scoring works
Quantity:2 Pound(s) • (30 servings)
Goals:

Score 68

Lean, high-protein whey isolate with good macro efficiency, but limited heart relevance and an unreliable cholesterol entry.
How scoring works
$59.99($1.99 per serving)
iHerb
$ 59.99
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Analysis

The isolate creates a lean protein serving suited to muscle maintenance and post-exercise nutrition. Sunflower lecithin supports dispersibility without adding meaningful fat or carbohydrate.

Potassium, magnesium, and phosphorus are present only in small food-level amounts. No dedicated ingredient supports lipid management, vascular function, or cardiac energy, so the heart-health match is weak.

The reported cholesterol unit is not plausible for a standard nutrition panel and needs verification against the package. Full flavoring and sweetener details are also absent from the supplied data.

Who is it for
  • Adults seeking lean whey isolate
  • Users limiting carbohydrate
  • People wanting post-workout protein
Best for
  • Protein supplementation
  • Exercise recovery
  • Muscle maintenance

Pros

  • Provides 25 g complete protein
  • No listed fat
  • Very low carbohydrate
  • Uses whey isolate

Cons

  • No dedicated cardiovascular active
  • Mineral amounts are modest
  • Flavor details are incomplete
  • Cholesterol data appear erroneous

Warnings

  • Contains milk-derived whey and is unsuitable for people with a milk-protein allergy.
  • Verify the cholesterol amount on the physical label because the supplied unit is inconsistent with normal nutrition labeling.

Nutrient quality

77 High impact

Whey isolate provides a substantial amount of complete protein in a lean format. The implausible cholesterol entry and unnamed mineral forms reduce safety and form confidence.

Ingredient transparency

63 Moderate impact

The whey source and main nutrient amounts are disclosed without a hidden protein blend. The cholesterol unit, mineral forms, directions, and full non-active ingredient list remain unclear.

Customer satisfaction

63 Moderate impact

The aggregate rating is favorable but the response base is modest. No review text is supplied, so repeated complaints and specific product experiences cannot be verified.

Value for money

68 High impact

The isolate format supports ingredient quality and supplies meaningful protein. A relatively high ongoing cost and serious label ambiguity weaken value.

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Ingredients

IngredientAmount per serving
Calories
110 Calorie(s)
Total Fat
0 Gram(s)
Cholesterol
5 Gram(s)
Total Carbohydrates
1 Gram(s)
Protein
25 Gram(s)
Calcium
138 mg
Phosphorus
63 mg
Magnesium
22 mg
Sodium
110 mg
Potassium
150 mg
Whey Protein isolate (Sunflower Lecithin)
28.74 Gram(s)
Gluten Free Adults 18–50 Kosher
Report overview
Sodium · 110 mg OverallScore51
D Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyD+ Value

The 110 mg sodium serving is too low for robust replacement during intense or prolonged exercise. The sodium source is not identified, which limits confidence in mineral quality. Its serving cost is relatively high for a formula aimed mainly at broader nutrition or performance rather than hydration.

Potassium · 150 mg OverallScore39
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

The potassium appears to come from food ingredients, but its chemical form is not identified. The 150 mg amount is moderate but remains below the collection median, and the label does not fully separate compound weight from elemental yield. Value is limited for potassium alone, while the broader whey protein isolate supplies most of the practical appeal.

Phosphorus · 63 mg OverallScore27
F Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyF Value

The label states an elemental phosphorus amount but does not name its source compound, leaving its bone relevance uncertain. The 63 mg serving is likely incidental rather than a targeted phosphorus dose, although one scoop is practical. Cost per serving is high compared with the collection benchmark, weakening value for phosphorus-focused use.

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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