EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip, 2 lb (907 g) supplement bottle
EFX Sports

Protalyn® Whey Protein Isolate, Chocolate Chip, 2 lb (907 g)

What We Researched
17 active ingredients analyzed · 1 inactive ingredient decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
72
Product Score Fair
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0.0 mcg
Calcium 140.0 mg 10%
Iron 0.6 mg 4%
Potassium 230.0 mg 4%
Magnesium 20.0 mg 5%
Phosphorus 80.0 mg 6%
Bioavailability Excellent

Absorption Rating

  • Vitamin D Good
  • Calcium Good
  • Iron Fair
  • Potassium Good
  • Magnesium Good
  • Phosphorus Good
Other Ingredients Excellent

Fillers & Additives

  • Protalyn® (Whey Protein Isolate, Cocoa (Processed With Alkali), Natural And Artificial Flavors, Sucralose, Acesulfame Potassium, Salt, Prohydrolase® (Protease Blend)
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0.0 mcg Under-dosed
  • Calcium 140.0 mg Under-dosed
  • Iron 0.6 mg Under-dosed
  • Potassium 230.0 mg Under-dosed
  • Magnesium 20.0 mg Under-dosed
  • Phosphorus 80.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 13.0 0
Total Fat 2.0 g 3%
Saturated Fat 1.0 g 5%
Trans Fat 0.0 g
Cholesterol 60.0 mg 20%
Sodium 120.0 mg 5%
Total Carbohydrate 4.0 g 1%
Dietary Fiber 1.0 g 4%
Total Sugars 1.0 g
Includes Added Sugars 0.0 g
Protein 25.0 g 50%
Vitamin D 0.0 mcg
Calcium 140.0 mg 10%
Iron 0.6 mg 4%
Potassium 230.0 mg 4%
Magnesium 20.0 mg 5%
Phosphorus 80.0 mg 6%

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$55$54$53$52$51 $52.99
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
EFX Sports

Founded 2005 · Billings, Montana, USA · 27 products · efxsports.com/

Certifications

2 certifications
Informed Sport Verified Source
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

2 incidents
Prop 65 Lead2018-04-20Source
Lawsuit False advertising regarding the bioavailability and effectiveness of Kre-Alkalyn EFX Creatine compared to creatine monohydrate.2012Source
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Frequently Asked Questions
Is EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip a good supplement?

EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip, 2 lb (907 g) received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 17 active ingredients with 26 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, EFX Sports, holds a brand trust score of 79/100 with 2 verified certifications including Informed Sport, Fda Gmp Inspections.

What are the ingredients in EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip?

EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip contains 17 active ingredients: Calories (13.0 0), Total Fat (2.0 g), Saturated Fat (1.0 g), Trans Fat (0.0 g), Cholesterol (60.0 mg), Sodium (120.0 mg), and 11 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip safe to take?

EFX Sports Protalyn® Whey Protein Isolate, Chocolate Chip, 2 lb (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 EFX Sports a trustworthy supplement brand?

EFX Sports receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Billings, Montana, USA, the company offers 27 products in their lineup. They hold 2 verified certifications including Informed Sport, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: EFX Sports has 2 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.