Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free supplement bottle
Optimum Nutrition

Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free

What We Researched
12 active ingredients analyzed · 7 inactive ingredients decoded · 9 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
71
Product Score Fair
92
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Calcium 130 mg 10%
Iron 0 mg 0%
Potassium 160 mg 4%
Bioavailability Very Good

Absorption Rating

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

Fillers & Additives

  • Hydrolyzed Whey Protein Isolate
  • Whey Protein Isolate
  • Natural and Artificial Flavor
  • Sunflower Lecithin
  • Salt
  • Sucralose
  • Potassium Chloride
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Calcium 130 mg Under-dosed
  • Iron 0 mg Under-dosed
  • Potassium 160 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 0.5 g 1%
Saturated Fat 0 g 0%
Cholesterol 5 mg 2%
Sodium 140 mg 6%
Total Carbohydrate 2 g 1%
Total Sugars 1 g
Protein 25 g 50%
Vitamin D 0 mcg 0%
Calcium 130 mg 10%
Iron 0 mg 0%
Potassium 160 mg 4%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydrolyzed Whey Protein Isolate Generally_safe

It is used as a source of protein.

Whey Protein Isolate Generally_safe

It is used as a protein source and to add bulk.

Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

Sunflower Lecithin Safe

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

Salt Safe

It is used as a flavoring agent.

Sucralose Generally_safe

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

Potassium Chloride Safe

It is used to provide potassium, an essential mineral.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 95 products · optimumnutrition.com

Certifications

9 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Nsf Certified For Sport Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source

Transparency

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

Violation History

5 incidents
Prop 65 Lead2025-07-21Source
Prop 65 Lead2024-11-22Source
Recall Various nutritional and beverage products2022-07-28Source
Prop 65 Lead2017-03-10Source
Lawsuit Deceptive claims about the plant-based enzyme 'Aminogen' and its effect on protein digestion and absorption.2013Source
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Frequently Asked Questions
Is Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free a good supplement?

Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 44 servings per container. Of the 7 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Optimum Nutrition, holds a brand trust score of 92/100 with 9 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport.

What are the ingredients in Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free?

Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free contains 12 active ingredients: Calories (110), Total Fat (0.5 g), Saturated Fat (0 g), Cholesterol (5 mg), Sodium (140 mg), Total Carbohydrate (2 g), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free safe to take?

Optimum Nutrition Optimum Nutrition Gold Standard 100% Isolate Rich Vanilla - Gluten Free 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 Optimum Nutrition a trustworthy supplement brand?

Optimum Nutrition receives a brand trust score of 92/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1986 and headquartered in Downers Grove, IL, United States, the company offers 95 products in their lineup. They hold 9 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Optimum Nutrition has 5 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.