MuscleTech IsoWhey, 100% Whey Protein Isolate, Chocolate, 2 lbs (907 g) supplement bottle
MuscleTech

IsoWhey, 100% Whey Protein Isolate, Chocolate, 2 lbs (907 g)

What We Researched
12 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
64
Product Score Fair
75
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 90 mg 7%
Iron 1 mg 6%
Potassium 190 mg 4%
Bioavailability Very Good

Absorption Rating

  • Calcium Good
  • Iron Fair
  • Potassium Good
Other Ingredients Very Good

Fillers & Additives

  • Whey Protein Isolate
  • Cocoa (Processed with Alkali)
  • Natural and Artificial Flavors
  • Salt
  • Soy and/or Sunflower Lecithin
  • Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan) Medium
  • Sucralose
Efficacy Very Poor

Dosage Analysis

  • Calcium 90 mg Under-dosed
  • Iron 1 mg Under-dosed
  • Potassium 190 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 0.5 g 1%*
Cholesterol 15 mg 5%
Total Carbohydrate 2 g 1%*
Dietary Fiber <1 g <4%*
Total Sugars 1 g
Includes 0 g of Added Sugars 0%*
Protein 25 g 50%*
Calcium 90 mg 7%
Iron 1 mg 6%
Sodium 260 mg 11%
Potassium 190 mg 4%

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.

Cocoa (Processed with Alkali) Generally_safe

It is added to supplements to provide flavor and color.

Natural and Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Salt Safe

It is used as a flavoring agent.

Soy and/or Sunflower Lecithin Safe

It is used as an emulsifier to help blend ingredients and improve absorption.

Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan) Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Sucralose Generally_safe

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

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$66$65$64$63$62 Mar 12 $64.00
iHerb

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

Brand Trust Report
MuscleTech

Founded 1995 · Oakville, Ontario, Canada · 49 products · muscletech.com/

Certifications

2 certifications
Consumerlab Verified Source
Labdoor Verified Source

Transparency

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

Violation History

3 incidents
Recall Muscle Tech Alpha Test2024-12-18Source
Lawsuit A class-action lawsuit was filed against Iovate Health Sciences alleging that their Platinum 100% BCAA 8:1:1 product's claims to promote muscle protein synthesis were false and misleading.2019Source
Lawsuit A class-action lawsuit alleged that Iovate Health Sciences USA Inc. misled consumers by 'protein spiking' its MuscleTech protein powders. The suit claimed the company included non-protein ingredients to inflate the protein content listed on the label.2015Source
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Frequently Asked Questions
Is MuscleTech IsoWhey, 100% Whey Protein Isolate a good supplement?

MuscleTech IsoWhey, 100% Whey Protein Isolate, Chocolate, 2 lbs (907 g) received a product quality score of 64/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 29 servings per container. Of the 7 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, MuscleTech, holds a brand trust score of 75/100 with 2 verified certifications including Consumerlab, Labdoor.

What are the ingredients in MuscleTech IsoWhey, 100% Whey Protein Isolate?

MuscleTech IsoWhey, 100% Whey Protein Isolate contains 12 active ingredients: Calories (110), Total Fat (0.5 g), Cholesterol (15 mg), Total Carbohydrate (2 g), Dietary Fiber (<1 g), Total Sugars (1 g), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MuscleTech IsoWhey, 100% Whey Protein Isolate safe to take?

MuscleTech IsoWhey, 100% Whey Protein Isolate, Chocolate, 2 lbs (907 g) 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 MuscleTech a trustworthy supplement brand?

MuscleTech receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1995 and headquartered in Oakville, Ontario, Canada, the company offers 49 products in their lineup. They hold 2 verified certifications including Consumerlab, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MuscleTech has 3 historical regulatory incidents on record, which are factored into the trust score.

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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.