Quest Nutrition Protein Powder, Vanilla Milkshake, 1.6 lb (726 g) supplement bottle
Quest Nutrition

Protein Powder, Vanilla Milkshake, 1.6 lb (726 g)

What We Researched
15 active ingredients analyzed · 9 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
65
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vit. D 0 mcg 0%
Calcium 300 mg 25%
Iron 0.2 mg 2%
Potassium 90 mg 2%
Bioavailability Very Good

Absorption Rating

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

Fillers & Additives

  • Protein blend (whey protein isolate, micellar casein)
  • Natural Flavors
  • Sea Salt
  • Sunflower Lecithin
  • Cellulose Gum
  • Carrageenan Medium
  • Silicon Dioxide
  • Sucralose
  • Steviol Glycosides (Stevia)
Efficacy Very Poor

Dosage Analysis

  • Calcium 300 mg Under-dosed
  • Iron 0.2 mg Under-dosed
  • Potassium 90 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 0.5 g 0%
Saturated Fat 0 g 0%
Trans Fat 0 g
Cholesterol 15 mg 5%
Sodium 140 mg 6%
Total Carbohydrate 2 g 0%
Dietary Fiber 0 g 0%
Total Sugars 1 g
Includes <1 g Added Sugars 1%
Protein 24 g 48%
Vit. D 0 mcg 0%
Calcium 300 mg 25%
Iron 0.2 mg 2%
Potassium 90 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

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

Improves taste of chewable, gummy, or liquid supplements.

Sea Salt Safe

It is used as a flavoring agent.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Carrageenan Caution

Used to thicken and stabilize liquid and gel supplements.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sucralose Generally_safe

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

Steviol Glycosides (Stevia) Safe

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

Price Comparison

iHerb $44.46 $1.93 / serving
Best Price

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, Vanilla Milkshake a good supplement?

Quest Nutrition Protein Powder, Vanilla Milkshake, 1.6 lb (726 g) received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 15 active ingredients with 23 servings per container. Of the 9 inactive ingredients, 6 are rated safe and 1 are flagged for review.

What are the ingredients in Quest Nutrition Protein Powder, Vanilla Milkshake?

Quest Nutrition Protein Powder, Vanilla Milkshake contains 15 active ingredients: Calories (110), Total Fat (0.5 g), Saturated Fat (0 g), Trans Fat (0 g), Cholesterol (15 mg), Sodium (140 mg), and 9 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Quest Nutrition Protein Powder, Vanilla Milkshake safe to take?

Quest Nutrition Protein Powder, Vanilla Milkshake, 1.6 lb (726 g) has been analyzed for ingredient safety across all its components. Of 9 inactive ingredients, 6 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.