BSN Syntha-6® Isolate, Protein Powder Drink Mix, Peanut Butter Cookie, 4.02 lb (1.82 kg) supplement bottle
BSN

Syntha-6® Isolate, Protein Powder Drink Mix, Peanut Butter Cookie, 4.02 lb (1.82 kg)

What We Researched
12 active ingredients analyzed · 11 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
69
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 360 mg 30%
Potassium 420 mg 8%
Bioavailability Excellent

Absorption Rating

  • Calcium Good
  • Potassium Good
Other Ingredients Very Good

Fillers & Additives

  • Isolate protein matrix (whey protein isolate, milk protein isolate)
  • Natural and Artificial Flavor
  • Inulin
  • Potassium Chloride
  • Polydextrose
  • Lecithin
  • Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan) Medium
  • Salt
  • Sucralose
  • Acesulfame Potassium
  • Cocoa Powder (Processed with Alkali)
Efficacy Very Poor

Dosage Analysis

  • Calcium 360 mg Under-dosed
  • Potassium 420 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 140
Total Fat 2 g 3%
Saturated Fat 0.5 g 3%
Cholesterol 10 mg 3%
Sodium 135 mg 6%
Total Carbohydrate 6 g 2%
Dietary Fiber 1 g 4%
Total Sugars 2 g
Includes 1 g Added Sugars 2%
Protein 25 g 50%
Calcium 360 mg 30%
Potassium 420 mg 8%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Isolate protein matrix (whey protein isolate, milk protein isolate) Unknown
Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

Inulin Safe

It is used as a prebiotic fiber and to add bulk to supplements.

Potassium Chloride Safe

It is used to provide potassium, an essential mineral.

Polydextrose Generally_safe

It is used as a filler, to add bulk, and as a prebiotic fiber.

Lecithin Safe

It is used as an emulsifier to help mix oil and water-based ingredients.

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

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

Salt Safe

It is used as a flavoring agent.

Sucralose Generally_safe

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

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Cocoa Powder (Processed with Alkali) Generally_safe

It is used to add color and flavor to the supplement.

Price Comparison

Target $85.99 $1.79 / serving
Best Price
iHerb $103.71 $2.16 / serving

Price History

Tracked across major retailers. Updated periodically.

$105$104$103$102$101 Mar 12 $103.00
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
BSN

Founded 2001 · Downers Grove, Illinois, United States · 47 products · gobsn.com/en-us

Transparency

1 claim

Violation History

2 incidents
Lawsuit False and misleading statements in the labeling and advertising of Cheaters Relief supplements.2011Source
Lawsuit Products were advertised as containing 'Creatine Ethyl Ester Malate' (CEM3), which the plaintiffs alleged did not exist.2009Source
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Frequently Asked Questions
Is BSN Syntha-6® Isolate, Protein Powder Drink Mix a good supplement?

BSN Syntha-6® Isolate, Protein Powder Drink Mix, Peanut Butter Cookie, 4.02 lb (1.82 kg) received a product quality score of 69/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 48 servings per container. Of the 11 inactive ingredients, 4 are rated safe and 0 are flagged for review.

What are the ingredients in BSN Syntha-6® Isolate, Protein Powder Drink Mix?

BSN Syntha-6® Isolate, Protein Powder Drink Mix contains 12 active ingredients: Calories (140), Total Fat (2 g), Saturated Fat (0.5 g), Cholesterol (10 mg), Sodium (135 mg), Total Carbohydrate (6 g), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is BSN Syntha-6® Isolate, Protein Powder Drink Mix safe to take?

BSN Syntha-6® Isolate, Protein Powder Drink Mix, Peanut Butter Cookie, 4.02 lb (1.82 kg) 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.

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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.