Thorne Whey Protein Isolate, Vanilla, 14 Packets, 0.98 oz (27.9 g) Each supplement bottle
Thorne

Whey Protein Isolate, Vanilla, 14 Packets, 0.98 oz (27.9 g) Each

What We Researched
32 active ingredients analyzed · 5 inactive ingredients decoded · 4 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
68
Product Score Fair
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 94 mg 7%
Whey Protein Isolate 25 g **
Proprietary Blend 30 mg **
Bromelain **
Papain **
Alanine 1.0
Arginine 0.6
Aspartic Acid 2.1
Cysteine 0.5
Glutamic Acid 3.6
Glycine 0.4
Histidine† 0.4
Isoleucine† 1.2
Leucine† 2.2
Lysine† 1.9
Methionine† 0.5
Phenylalanine† 0.7
Proline 1.2
Serine 1.1
Threonine† 1.4
Tryptophan† 0.4
Tyrosine 0.6
Valine† 1.2
Bioavailability Very Good

Absorption Rating

  • Calcium Good
  • Whey Protein Isolate Good
  • Proprietary Blend Fair
  • Bromelain Good
  • Papain Fair
  • Alanine Fair
  • Arginine Good
  • Aspartic Acid Fair
  • Cysteine Fair
  • Glutamic Acid Fair
  • Glycine Good
  • Histidine† Good
  • Isoleucine† Good
  • Leucine† Good
  • Lysine† Good
  • Methionine† Good
  • Phenylalanine† Fair
  • Proline Fair
  • Serine Fair
  • Threonine† Good
  • Tryptophan† Good
  • Tyrosine Good
  • Valine† Good
Other Ingredients Excellent

Fillers & Additives

  • Vanilla Flavor
  • Evaporated cane juice sugar
  • Carboxymethylcellulose gum
  • Xanthan Gum
  • Rebaudioside a (from stevia)
Efficacy Very Poor

Dosage Analysis

  • Calcium 94 mg Under-dosed
  • Whey Protein Isolate 25 g Effective
  • Arginine 0.6 Under-dosed
  • Aspartic Acid 2.1 Under-dosed
  • Cysteine 0.5 Under-dosed
  • Glutamic Acid 3.6 Under-dosed
  • Glycine 0.4 Under-dosed
  • Histidine† 0.4 Under-dosed
  • Isoleucine† 1.2 Under-dosed
  • Leucine† 2.2 Under-dosed
  • Lysine† 1.9 Under-dosed
  • Methionine† 0.5 Under-dosed
  • Phenylalanine† 0.7 Under-dosed
  • Proline 1.2 Under-dosed
  • Serine 1.1 Under-dosed
  • Tryptophan† 0.4 Under-dosed
  • Tyrosine 0.6 Under-dosed
  • Valine† 1.2 Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 100
Total Fat 0.5 g 1%*
Cholesterol 10 mg 3%
Total Carbohydrate 3 g 1%*
Dietary Fiber 1 g 4%*
Total Sugars 3 g **
Includes 1 g Added Sugars 2%*
Protein 21 g 42%*
Calcium 94 mg 7%
Sodium 75 mg 3%
Whey Protein Isolate 25 g **
Proprietary Blend 30 mg **
Bromelain **
Papain **
Alanine 1.0
Arginine 0.6
Aspartic Acid 2.1
Cysteine 0.5
Glutamic Acid 3.6
Glycine 0.4
Histidine† 0.4
Isoleucine† 1.2
Leucine† 2.2
Lysine† 1.9
Methionine† 0.5
Phenylalanine† 0.7
Proline 1.2
Serine 1.1
Threonine† 1.4
Tryptophan† 0.4
Tyrosine 0.6
Valine† 1.2

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vanilla Flavor Generally_safe

It is used to add a vanilla taste to supplements.

Evaporated cane juice sugar Unknown
Carboxymethylcellulose gum Unknown
Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Rebaudioside a (from stevia) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$44$43$42$41$40 Mar 12 $42.00
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
Thorne

Founded 1984 · New York, NY, United States · 161 products · thorne.com

Certifications

4 certifications
Consumerlab Verified
Nsf Certified For Sport Verified Source
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Captomer, Captomer-2502014-06-12Source
Prop 65 Lead2013-12-13Source
Related Supplements
Frequently Asked Questions
Is Thorne Whey Protein Isolate, Vanilla a good supplement?

Thorne Whey Protein Isolate, Vanilla, 14 Packets, 0.98 oz (27.9 g) Each received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 32 active ingredients with 14 servings per container. Of the 5 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Thorne, holds a brand trust score of 90/100 with 4 verified certifications including Consumerlab, Nsf Certified For Sport, Nsf Gmp, Fda Gmp Inspections.

What are the ingredients in Thorne Whey Protein Isolate, Vanilla?

Thorne Whey Protein Isolate, Vanilla contains 32 active ingredients: Calories (100), Total Fat (0.5 g), Cholesterol (10 mg), Total Carbohydrate (3 g), Dietary Fiber (1 g), Total Sugars (3 g), and 26 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Thorne Whey Protein Isolate, Vanilla safe to take?

Thorne Whey Protein Isolate, Vanilla, 14 Packets, 0.98 oz (27.9 g) Each 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 Thorne a trustworthy supplement brand?

Thorne receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in New York, NY, United States, the company offers 161 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Certified For Sport, Nsf Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Thorne 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.