Quest Nutrition Protein Powder, Cinnamon Crunch, 1.6 lb (726 g) supplement bottle
Quest Nutrition

Protein Powder, Cinnamon Crunch, 1.6 lb (726 g)

What We Researched
16 active ingredients analyzed · 18 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
63
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Erythritol 2 g
Vit. D 0 mcg 0%
Calcium 260 mg 20%
Iron 0.1 mg 0%
Potassium 90 mg 2%
Bioavailability Very Good

Absorption Rating

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

Fillers & Additives

  • Protein blend (whey protein isolate, micellar casein)
  • Erythritol
  • Natural Flavors
  • Milk Protein Isolate
  • Soluble Corn Fiber
  • Coconut Oil
  • Palm Kernel Oil
  • Cinnamon
  • Lecithin (Sunflower, Canola, and/or Soy Lecithin)
  • Sea Salt
  • Carrageenan Medium
  • Cellulose Gum
  • Silicon Dioxide
  • Sucralose
  • Sodium Caseinate
  • Stevia Sweetener
  • Xanthan Gum
  • Baking Soda
Efficacy Very Poor

Dosage Analysis

  • Calcium 260 mg Under-dosed
  • Iron 0.1 mg Under-dosed
  • Potassium 90 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 1.5 g 2%
Saturated Fat 1.5 g 8%
Trans Fat 0 g
Cholesterol 15 mg 5%
Sodium 160 mg 7%
Total Carbohydrate 5 g 2%
Dietary Fiber 1 g 4%
Total Sugars <1 g
Includes 0 g Added Sugars 0%
Erythritol 2 g
Protein 20 g 40%
Vit. D 0 mcg 0%
Calcium 260 mg 20%
Iron 0.1 mg 0%
Potassium 90 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Protein blend (whey protein isolate, micellar casein) Unknown
Erythritol Safe

Provides sweetness without significant calorie content.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Milk Protein Isolate Generally_safe

It is used as a filler or to increase protein content.

Soluble Corn Fiber Generally_safe

It is used as a filler or prebiotic fiber source.

Coconut Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Palm Kernel Oil Generally_safe

It is used as a source of fat.

Cinnamon Generally_safe

It is used as a flavoring agent.

Lecithin (Sunflower, Canola, and/or Soy Lecithin) Generally_safe

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

Sea Salt Safe

It is used as a flavoring agent.

Carrageenan Caution

Used to thicken and stabilize liquid and gel supplements.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sucralose Generally_safe

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

Sodium Caseinate Generally_safe

It is used as an emulsifier or stabilizer.

Stevia Sweetener Generally_safe

It is used as a natural, low-calorie sweetener.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Baking Soda Safe

It is used as a buffering agent to adjust pH levels.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$45$44$43$42 Mar 12 $44.00
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
Quest Nutrition

Founded 2010 · El Segundo, California, United States · 81 products · questnutrition.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

1 claim

Violation History

3 incidents
Prop 65 Lead2022-06-27Source
Lawsuit Misleading labeling of the 'White Chocolate Raspberry Protein Bar' to suggest it contains white chocolate.2020Source
Fda Warning Details of the original warning letter were not immediately available in the search results, but the closeout letter indicates the violations were addressed.2015-07-29Source
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Frequently Asked Questions
Is Quest Nutrition Protein Powder, Cinnamon Crunch a good supplement?

Quest Nutrition Protein Powder, Cinnamon Crunch, 1.6 lb (726 g) received a product quality score of 63/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 16 active ingredients with 24 servings per container. Of the 18 inactive ingredients, 8 are rated safe and 1 are flagged for review.

What are the ingredients in Quest Nutrition Protein Powder, Cinnamon Crunch?

Quest Nutrition Protein Powder, Cinnamon Crunch contains 16 active ingredients: Calories (110), Total Fat (1.5 g), Saturated Fat (1.5 g), Trans Fat (0 g), Cholesterol (15 mg), Sodium (160 mg), and 10 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Quest Nutrition Protein Powder, Cinnamon Crunch safe to take?

Quest Nutrition Protein Powder, Cinnamon Crunch, 1.6 lb (726 g) has been analyzed for ingredient safety across all its components. Of 18 inactive ingredients, 8 are rated safe. 1 ingredient is flagged for review: Carrageenan. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. 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.