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Soy Protein Isolate Powder Natural Unflavored

product on market Powder Puritan's Pride Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Soy protein isolate provides essential amino acids to support muscle maintenance and metabolic function. There is strong evidence supporting its efficacy as a high-quality plant-based protein source for muscle protein synthesis. This profile focuses on delivering concentrated protein with minimal fats and carbohydrates.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Soy Protein Isolate Powder Natural Unflavored
Open Full PDF View on NIH DSLD →
Details

Label Data

28 Gram(s)
Serving Size
32
Servings
Amino acid/Protein
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
110 Calorie(s)
Total Fat
1 Gram(s) (1% DV)
Cholesterol
Total Carbohydrates
Protein
24 Gram(s) (48% DV)
Calcium
40 mg (3% DV)
Iron
3 mg (17% DV)
180 mg (14% DV)
Within RDA (0.3× RDA) 13 studies (A:0, B:3)
0.9 mg (8% DV)
Within RDA (0.1× RDA) 263 studies (A:6, B:134)
0.22 mg (24% DV)
Within RDA (0.2× RDA) 37 studies (A:0, B:11)
14 mcg (31% DV)
Within RDA (0.3× RDA) 3 studies — no high-quality reviews
Sodium
280 mg (12% DV)

Other Ingredients

isolated Soy Protein Soy Lecithin
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: (Shake the can before each use.) For adults, take one (1) scoop (28 g) as a food, blended with low-fat milk, vegetable juice of your choice or any low-calorie flavorings or extracts. It is excellent when added to soup.

Enjoy the benefits of our low-fat soy protein powder by mixing with milk or your favorite beverage for a great-tasting, protein-packed, convenient supplement.

Add to milk, juices, and other foods for extra calories or protein.

Warnings & Precautions

Notice: Use this product as a food supplement only. Do not use for weight reduction.

Contains soy ingredients.

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

Formulation Notes

No artificial color, flavor or sweetener, no sugar, no starch, no milk, no lactose, no gluten, no wheat, no yeast, no fish.

Active isoflavones Low fat

Vegetarian Formula

Zero carbs Gluten free Aspartame-free

Heart Healthy May reduce the risk of heart disease (See side panel)

One serving of Pure Soy Protein Isolate Powder provides 24 grams of soy protein in a low-fat formula.

Soy Protein Isolate Powder also includes the soy isoflavone metabolites plus essential amino acids from protein and minerals for well-balanced nutritional value. Especially recommended for vegetarian and vegan diets, which may not provide sufficient protein, Soy Protein Isolate Powder is an ideal source of this essential nutrient.

Soy Protein Isolate Powder cholesterol free.

Great Source of Protein for Vegetarians

Typical Amino Acid Profile per serving: L-Alanine 1,033 mg L-Arginine 1,826 mg L-Aspartic Acid 2,787 mg L-Cysteine 312 mg L-Glutamic Acid 4,590 mg L-Glycine 1,009 mg ***L-Histidine 625 mg ***L-Isoleucine 1,177 mg ***L-Leucine 1,970 mg ***L-Lysine 1,514 mg ***L-Methionine 312 mg ***L-Phenylalanine 1,250 mg L-Proline 1,225 mg L-Serine 1,250 mg ***L-Threonine 889 mg ***L-Tryptophan 336 mg L-Tyrosine 913 mg ***L-Valine 1,201 mg ***Essential Amino Acids

Additional Information

Puritan’s Pride supplements are produced from the finest raw materials under stringent quality control standards. State-of-the-art manufacturing and packaging facilities ensure you the highest quality nutritional supplements money can buy. When it comes to your health...choose the best.

Diets low in saturated fat and cholesterol that include 25 grams of soy protein per day may reduce the risk of heart disease.

Contents are sold by weight. Some settling may occur.

Store at room temperature.

To reorder item # 2660 www.puritan.com 1-800-645-1030

Metadata

Product Details

UPC / SKU0 74312 12660 4
DSLD Entry Date2021-01-22
Product TypeAmino acid/Protein
FormPowder
DSLD ID242414
Data Updated2026-04-11
Research

Research Evidence

46
Research Sources
55
Avg Quality
23
Meta Analysis
7
Systematic Review
7
Rct
4
Clinical Trial
2
Other
1
Guideline
1
Regulatory Source
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
B Phosphate binders for preventing and treating bone disease in chronic kidney disease patients
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
B Calcium and phosphorus supplementation of human milk for preterm infants
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
B Radiographic and clinical outcomes of silicate-substituted calcium phosphate (SiCaP) bone grafts in spinal fusion: Systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2020 PubMed DOI
B ESPGHAN/ESPEN/ESPR/CSPEN guidelines on pediatric parenteral nutrition: Calcium, phosphorus and magnesium.
Guideline Clinical nutrition (Edinburgh, Scotland) 2018 PubMed DOI
B Effect of different phosphate binders on fibroblast growth factor 23 levels in patients with chronic kidney disease: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Annals of palliative medicine 2022 PubMed DOI
B Pyridoxal 5 phosphate for neuroleptic-induced tardive dyskinesia
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
B The impact of phosphate lowering agents on clinical and laboratory outcomes in chronic kidney disease patients: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of nephrology 2022 PubMed DOI
B Calcimimetics treatment strategy for serum calcium and phosphate management in patients with secondary hyperparathyroidism undergoing dialysis: A systematic review and meta-analysis of randomized studies
Meta Analysis Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy 2024 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.