Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 311 products · optimumnutrition.com

100
Brand Score

Certifications

10 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
Informed Choice Verified

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
Products by Optimum Nutrition
CoQ10 100 mg
CoQ10 100 mg
Product 100 Brand 100
Micronized Creatine
Micronized Creatine
Product 100 Brand 100
Glucosamine + CSA Super Strength
Glucosamine + CSA Super Strength
Product 100 Brand 100
Micronized Creatine Powder Unflavored
Micronized Creatine Powder Unflavored
Product 100 Brand 100
Glutamine Powder Unflavored
Glutamine Powder Unflavored
Product 100 Brand 100
Flaxseed Oil Softgels
Flaxseed Oil Softgels
Product 100 Brand 100
Micronized Creatine Powder Unflavored
Micronized Creatine Powder Unflavored
Product 100 Brand 100
Thermo Cuts
Thermo Cuts
Product 100 Brand 100
Micronized Creatine Powder Unflavored
Micronized Creatine Powder Unflavored
Product 100 Brand 100
Opti-Pump N.O
Opti-Pump N.O
Product 100 Brand 100
Micronized Creatine Powder Unflavored
Micronized Creatine Powder Unflavored
Product 100 Brand 100
Glutamine Powder, Unflavored
Glutamine Powder, Unflavored
Product 100 Brand 100
Glutamine Powder, Unflavored, 2.2 lbs
Glutamine Powder, Unflavored, 2.2 lbs
Product 100 Brand 100
Micronized Creatine Powder, Unflavored
Micronized Creatine Powder, Unflavored
Product 100 Brand 100
Micronized Creatine Powder Blueberry Lemonade
Micronized Creatine Powder Blueberry Lemonade
Product 100 Brand 100
Micronized Creatine Powder, Unflavored
Micronized Creatine Powder, Unflavored
Product 100 Brand 100
100 mg Vitamin B
100 mg Vitamin B
Product 98 Brand 100
Vitamin B-2 Tablets, 25 Mg
Vitamin B-2 Tablets, 25 Mg
Product 98 Brand 100
Vitamin B Complex Tablets
Vitamin B Complex Tablets
Product 98 Brand 100
Acidophilus Lactobacilli Capsules
Acidophilus Lactobacilli Capsules
Product 93 Brand 100
Zinc Magnesium Aspartate
Zinc Magnesium Aspartate
Product 93 Brand 100
100% Whey Delicious Strawberry
100% Whey Delicious Strawberry
Product 93 Brand 100
Gold Standard 100% Whey Extreme Milk Chocolate
Gold Standard 100% Whey Extreme Milk Chocolate
Product 93 Brand 100
Gold Standard Pre-Workout
Gold Standard Pre-Workout
Product 93 Brand 100
Isomaltulose Unflavored
Isomaltulose Unflavored
Product 93 Brand 100
Zinc Magnesium Aspartate Capsules
Zinc Magnesium Aspartate Capsules
Product 93 Brand 100
Zinc Magnesium Aspartate
Zinc Magnesium Aspartate
Product 93 Brand 100
Gold Standard 100% Whey Extreme Milk Chocolate
Gold Standard 100% Whey Extreme Milk Chocolate
Product 70 Brand 100
Gold Standard 100% Whey Extreme Milk Chocolate
Gold Standard 100% Whey Extreme Milk Chocolate
Product 70 Brand 100
Whey Gold Standard
Whey Gold Standard
Product 68 Brand 100
Gold Standard 100% Whey Extreme Milk Chocolate
Gold Standard 100% Whey Extreme Milk Chocolate
Product 67 Brand 100
Gold Standard 100% Whey Extreme Milk Chocolate
Gold Standard 100% Whey Extreme Milk Chocolate
Product 66 Brand 100
Gold Standard 100% Whey Extreme Milk chocolate
Gold Standard 100% Whey Extreme Milk chocolate
Product 66 Brand 100
Whey Gold Standard
Whey Gold Standard
Product 50 Brand 100
Frequently Asked Questions
Is Optimum Nutrition a trustworthy supplement brand?

Optimum Nutrition receives a brand trust score of 100/100 in GoodSupp's independent analysis. The company was founded in 1986 and is headquartered in Downers Grove, IL, United States. They hold 10 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport, Usda Organic. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: Optimum Nutrition has 5 historical regulatory incidents on record. These are factored into the overall trust score and are detailed in the violation history section above.

Is Optimum Nutrition third-party tested?

Yes. Optimum Nutrition holds 10 verified third-party certifications: Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport, Usda Organic. Third-party testing means an independent laboratory — not the supplement company itself — has verified the product's contents, purity, and/or manufacturing practices. This is one of the strongest indicators of supplement quality because it removes the conflict of interest inherent in self-testing. Not all certifications are equal: NSF International and USP are considered the gold standard, while GMP certification indicates proper manufacturing practices.

What are the best Optimum Nutrition supplements?

Based on GoodSupp's quality analysis, the highest-rated Optimum Nutrition supplements are: CoQ10 100 mg (score: 100/100); Micronized Creatine (score: 100/100); Glucosamine + CSA Super Strength (score: 100/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

Where is Optimum Nutrition located?

Optimum Nutrition is headquartered in Downers Grove, IL, United States. The company was founded in 1986. They currently offer 311 products in their supplement lineup. Their official website is optimumnutrition.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes and check any Optimum Nutrition product.

Download on App Store
Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. 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.