Isopure Low Carb Whey Isolate, Lactose & Gluten Free, Chocolate Peanut Butter supplement bottle
Isopure

Low Carb Whey Isolate, Lactose & Gluten Free, Chocolate Peanut Butter

What We Researched
35 active ingredients analyzed · 8 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
74
Product Score Fair
67
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 370.0 mg 30%
Iron 0.5 mg 2%
Potassium 490.0 mg 10%
Vitamin A 380.0 mcg 40%
Vitamin C 15.0 mg 15%
Vitamin E 5.1 mg 35%
Vitamin K 20.0 mcg 15%
Thiamin 0.38 mg 30%
Riboflavin 0.43 mg 35%
Niacin 5.0 mg 30%
Vitamin B6 0.51 mg 30%
Folate DFE 170.0 mcg 45%
Folic Acid 100.0 mcg
Vitamin B12 2.45 mcg 100%
Biotin 75.0 mcg 250%
Pantothenic Acid 2.5 mg 50%
Phosphorus 290.0 mg 25%
Iodine 38.0 mg 25%
Magnesium 115.0 mg 25%
Zinc 4.2 mg 40%
Selenium 17.0 mcg 30%
Copper 0.55 mg 60%
Manganese 0.58 mg 25%
Chromium 30.4 mcg 90%
Molybdenum 18.7 mcg 40%
Chloride 400.0 mg 15%
Bioavailability Very Good

Absorption Rating

  • Calcium Good
  • Iron Fair
  • Potassium Good
  • Vitamin A Good
  • Vitamin C Fair
  • Vitamin E Good
  • Vitamin K Good
  • Thiamin Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folate DFE Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Phosphorus Good
  • Iodine Good
  • Magnesium Good
  • Zinc Fair
  • Selenium Good
  • Copper Fair
  • Manganese Good
  • Chromium Fair
  • Molybdenum Good
  • Chloride Good
Other Ingredients Excellent

Fillers & Additives

  • Whey Protein Isolate
  • Vitamin And Mineral Blend (Dicalcium Phosphate, Potassium Chloride, Magnesium Oxide, Ascorbic Acid, Vitamin E Acetate, Zinc Sulfate, D-Biotin, Niacinamide, Silicon Dioxide, Calcium D-Pantothenate, Vitamin A Acetate, Copper Sulfate, Manganese Sulfate, Pyridoxine Hydrochloride, Thiamine Hydrochloride, Potassium Lodide, Riboflavin, Phylloquinone, Sodium Selenite, Cyanocobalamin, Chromium Chloride, Folic Acid, Sodium Molybdate)
  • Natural and Artificial Flavor
  • Cocoa (Processed with Alkali)
  • Soy Lecithin
  • Xanthan Gum
  • Salt
  • Sucralose
Efficacy Very Poor

Dosage Analysis

  • Calcium 370.0 mg Under-dosed
  • Iron 0.5 mg Under-dosed
  • Potassium 490.0 mg Under-dosed
  • Vitamin A 380.0 mcg Under-dosed
  • Vitamin C 15.0 mg Under-dosed
  • Vitamin E 5.1 mg Under-dosed
  • Vitamin K 20.0 mcg Under-dosed
  • Thiamin 0.38 mg Under-dosed
  • Riboflavin 0.43 mg Under-dosed
  • Niacin 5.0 mg Under-dosed
  • Vitamin B6 0.51 mg Under-dosed
  • Folate DFE 170.0 mcg Under-dosed
  • Folic Acid 100.0 mcg Under-dosed
  • Vitamin B12 2.45 mcg Effective
  • Biotin 75.0 mcg Effective
  • Pantothenic Acid 2.5 mg Under-dosed
  • Phosphorus 290.0 mg Under-dosed
  • Iodine 38.0 mg High
  • Magnesium 115.0 mg Under-dosed
  • Zinc 4.2 mg Under-dosed
  • Selenium 17.0 mcg Under-dosed
  • Copper 0.55 mg Effective
  • Manganese 0.58 mg Under-dosed
  • Chromium 30.4 mcg Under-dosed
  • Molybdenum 18.7 mcg Under-dosed
  • Chloride 400.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Total Fat 0.5 grm 1%
Cholesterol 10.0 mg 3%
Sodium 240.0 mg 10%
Total Carbohydrate 2.0 grm 1%
Dietary Fiber 1.0 grm 4%
Total Sugars 0.0 grm
Added Sugars 0.0 grm
Protein 25.0 grm 50%
Calcium 370.0 mg 30%
Iron 0.5 mg 2%
Potassium 490.0 mg 10%
Vitamin A 380.0 mcg 40%
Vitamin C 15.0 mg 15%
Vitamin E 5.1 mg 35%
Vitamin K 20.0 mcg 15%
Thiamin 0.38 mg 30%
Riboflavin 0.43 mg 35%
Niacin 5.0 mg 30%
Vitamin B6 0.51 mg 30%
Folate DFE 170.0 mcg 45%
Folic Acid 100.0 mcg
Vitamin B12 2.45 mcg 100%
Biotin 75.0 mcg 250%
Pantothenic Acid 2.5 mg 50%
Phosphorus 290.0 mg 25%
Iodine 38.0 mg 25%
Magnesium 115.0 mg 25%
Zinc 4.2 mg 40%
Selenium 17.0 mcg 30%
Copper 0.55 mg 60%
Manganese 0.58 mg 25%
Chromium 30.4 mcg 90%
Molybdenum 18.7 mcg 40%
Chloride 400.0 mg 15%
Calories 110.0 kcal

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Whey Protein Isolate Generally_safe

It is used as a protein source and to add bulk.

Vitamin And Mineral Blend (Dicalcium Phosphate, Potassium Chloride, Magnesium Oxide, Ascorbic Acid, Vitamin E Acetate, Zinc Sulfate, D-Biotin, Niacinamide, Silicon Dioxide, Calcium D-Pantothenate, Vitamin A Acetate, Copper Sulfate, Manganese Sulfate, Pyridoxine Hydrochloride, Thiamine Hydrochloride, Potassium Lodide, Riboflavin, Phylloquinone, Sodium Selenite, Cyanocobalamin, Chromium Chloride, Folic Acid, Sodium Molybdate) Unknown
Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

Cocoa (Processed with Alkali) Generally_safe

It is added to supplements to provide flavor and color.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Salt Safe

It is used as a flavoring agent.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$82$81$80$79$78 $79.99
Target

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Isopure

Founded 1998 · Downers Grove, IL, United States · 26 products · theisopurecompany.com/

Certifications

1 certification
Informed Sport Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Verified

Violation History

3 incidents
Prop 65 Lead2025-04-11Source
Lawsuit Deceptive packaging with approximately 30% empty space ('slack-fill').2015Source
Lawsuit Misrepresenting the amount of whey protein in products ('protein-spiking').2014Source
Related Supplements
Frequently Asked Questions
Is Isopure Low Carb Whey Isolate, Lactose & Gluten Free a good supplement?

Isopure Low Carb Whey Isolate, Lactose & Gluten Free, Chocolate Peanut Butter received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 35 active ingredients with 40 servings per container. Of the 8 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Isopure, holds a brand trust score of 67/100 with 1 verified certifications including Informed Sport.

What are the ingredients in Isopure Low Carb Whey Isolate, Lactose & Gluten Free?

Isopure Low Carb Whey Isolate, Lactose & Gluten Free contains 35 active ingredients: Total Fat (0.5 grm), Cholesterol (10.0 mg), Sodium (240.0 mg), Total Carbohydrate (2.0 grm), Dietary Fiber (1.0 grm), Total Sugars (0.0 grm), and 29 more. Notable high-dose ingredients include Biotin at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Isopure Low Carb Whey Isolate, Lactose & Gluten Free safe to take?

Isopure Low Carb Whey Isolate, Lactose & Gluten Free, Chocolate Peanut Butter has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Isopure a trustworthy supplement brand?

Isopure receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1998 and headquartered in Downers Grove, IL, United States, the company offers 26 products in their lineup. They hold 1 verified certifications including Informed Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Isopure has 3 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.