Soy Protein Isolate Unflavored

Soy Protein Isolate Unflavored

NOW Sports4.5 (3,516 ratings)
Format:Powder Quantity: 2 lb(s) · 38 servings
$31.14 $0.81 per serving
Pure FormulasLowest$31.14iHerb$31.19Daily Vita$31.70Vitacost$31.93Vitacost$31.95

Product analysis

42 out of 100

Soy Protein Isolate Unflavored offers a plain way to add soy protein. Omitted nutrition amounts make a complete serving comparison harder.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The unspecified nutrient forms limit a confident judgment of ingredient quality. That uncertainty does not establish that the protein or other nutrients are inferior.

Ingredient Transparency44

Some nutrition amounts are omitted, making a complete serving comparison harder. The listed nutrient forms are also unspecified.

Value For Money46

Value for the protein content remains uncertain, which matters most for a protein powder. The serving cost looks more favorable for some nutrients than others and does not settle the value of the powder as a whole.

Customer Satisfaction83

Customer ratings are positive across thousands of buyers. That gives a broad picture of satisfaction without establishing nutritional effectiveness.

Product Focus36

The powder is centered on soy protein, with other nutritional components also listed. A specific health or performance benefit cannot be described confidently.

Format
Powder
Container
2 lb(s)
Per serving
$0.81
Customer rating
4.5 · 3,516 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Calories
90 Calorie(s)
Total Fat
0.5 Gram(s)
Cholesterol
0 mg
Sodium
170 mg 65
Total Carbohydrates
0 Gram(s)
Protein
20 Gram(s)
Vitamin D
0 mcg
Calcium
193 mg
Iron
3 mg 38
Potassium
14 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Sodium · 170 mg OverallScore65
D Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
A serving provides 170 mg of sodium, a relatively small amount for replacing sweat losses. The whole-product serving costs about $0.82.
How this ingredient is rated

Active Ingredient Quality & Bioavailability48

The saved facts do not identify the sodium source. The serving also provides 14 mg potassium, but its form is not identified among the evaluated forms.
Sodium Source Purity & Quality
The saved facts do not identify the sodium source.
Bioavailability of Supporting Electrolytes
The serving also provides 14 mg potassium, but its form is not identified among the evaluated forms.
Trace Mineral Complex & Buffering Forms
The saved facts do not establish a trace-mineral complex or sodium bicarbonate.

Dose, Safety & Label Transparency65

The serving separately states 170 mg sodium and 14 mg potassium. The available ingredient information identifies no artificial colors or sweeteners.
Sodium Dosage for Athletic Replenishment
The 170 mg of sodium per serving is a relatively small amount for replacing sweat losses.
Ingredient Label Transparency
The serving separately states 170 mg sodium and 14 mg potassium.
Artificial Color and Sweetener Disclosure
The available ingredient information identifies neither an artificial color nor an artificial sweetener.

Value100

The whole-product serving costs about $0.82 and provides 170 mg of sodium.
Price Per Serving vs. Collection Median
The whole-product serving costs about $0.82 and provides 170 mg of sodium.
View ingredientView products
Iron · 3 mg OverallScore38
F Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value
Each serving provides 3 mg of iron, a small amount in this comparison. The iron form is not identified in the saved facts, and a whole-product serving costs about $0.82.
How this ingredient is rated

Active Ingredient Quality & Bioavailability15

The iron form is not identified in the saved facts. The vitamin C amount is unavailable in the saved facts, so the evaluation cannot establish its contribution to iron absorption.
Iron Chemical Form & Bioavailability
The iron form is not identified in the saved facts.
Absorption Support & Blocker Avoidance
The vitamin C amount is unavailable in the saved facts, so the evaluation cannot establish its contribution to iron absorption.

Dose, Safety & Label Transparency70

Each serving provides 3 mg of iron, a small amount in this comparison. The amount of iron is listed separately.
Elemental Iron Label Clarity
The amount of iron is listed separately.
Dosage Effectiveness & Safety Range
Each serving provides 3 mg of iron, a small amount in this comparison.

Value20

A whole-product serving costs about $0.82.
Price per Effective Serving
A whole-product serving costs about $0.82.
View ingredientView products
82 Performance

Soy Protein Isolate Unflavored

NOW Sports
It provides 20 Gram of protein versus 20 Gram, although sodium is higher (170 mg versus 170 mg). Label detail is not clearly stronger, so the practical advantage rests mainly on the stated nutrient profile.
73 Performance

Classic Plus Protein Natural

Sunwarrior
It provides 20 Gram of protein versus 20 Gram, with less sodium (160 mg versus 170 mg). Label detail is not clearly stronger, so the practical advantage rests mainly on the stated nutrient profile.
65 Performance

Raw Organic 100% Plant-Based Protein French Vanilla

Natural Factors VegiDay
It provides 20 Gram of protein versus 20 Gram, although sodium is higher (260 mg versus 170 mg). Label detail is not clearly stronger, so the practical advantage rests mainly on the stated nutrient profile.
79 Budget

Organic Pea Protein

NOW Sports
The lower serving cost makes it a more economical way to add plant protein. It provides 15 Gram of protein versus 20 Gram, although sodium is higher (230 mg versus 170 mg).
76 Budget

Pure Pea Protein

OL Olympian Labs Inc.
No eligible option from a different brand is strictly cheaper at this price point; among the provided candidates, it is one of the nearest low-cost choices. It provides 25 Gram of protein versus 20 Gram, although sodium is higher (288 mg versus 170 mg).
58 Budget

100% Vegan Protein Vanilla Flavor

Biochem
No eligible option from a different brand is strictly cheaper at this price point; among the provided candidates, it is one of the nearest low-cost choices. It provides 20 Gram of protein versus 20 Gram, although sodium is higher (378 mg versus 170 mg).
81 Value

Pea Protein Unflavored

NOW Sports
Lower serving cost is paired with 24 Gram of protein, matching or exceeding the original’s 20 Gram. Its iron amount is 8 mg versus 3 mg, which may matter for people who do not need added iron.
71 Value

Classic Plus Protein Vanilla

Sunwarrior
Serving cost is not lower, but 18 Gram of protein and the supplied quality information make it a reasonable value-oriented trade-off. Its iron amount is 4 mg versus 3 mg, which may matter for people who do not need added iron.
67 Value

Plant-Based Protein 20 g Vanilla

California Gold Nutrition SPORT
Serving cost is not lower, but 20 Gram of protein and the supplied quality information make it a reasonable value-oriented trade-off. Its iron amount is 6.9 mg versus 3 mg, which may matter for people who do not need added iron.
Report alternatives