Gold Standard 100% Whey Protein, Chocolate Hazelnut
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Whey Protein Isolate, Whey Protein Concentrate, Whey Peptide, Cocoa, Powder, Natural & Artificial Flavors, Lecithin, Salt, Guar Gum, Gum Acacia, Xanthan Gum, Acesulfame Potassium, Sucralose
Recommended Use
33 grams About 1 scoop whey protein powder 6-8 fl oz Cold water, milk or other beverage 30 seconds Stir, shake or blend until dissolved For best results, mix up your shake 30-60 minutes after you work out, or have it as an anytime snack in your balanced, high-protein diet. Suggested use: For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high p
Warnings
Notice: Use this product as a food supplement only. Do not use for weight reduction. Contains: milk and soy.
Frequently Asked Questions
What is Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut's Formulate score?
Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut scores 81 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut worth it?
Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut scores 81/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut?
Each serving contains Protein (24 g), Calcium (140 mg), Iron (0.7 mg), Potassium (240 mg). Serving size: 33 Gram(s). 27 servings per container.
How do I take gold standard 100% whey protein, chocolate hazelnut?
33 grams About 1 scoop whey protein powder 6-8 fl oz Cold water, milk or other beverage 30 seconds Stir, shake or blend until dissolved For best results, mix up your shake 30-60 minutes after you work out, or have it as an anytime snack in your balanced, high-protein diet. Suggested use: For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise prog
Who makes Gold Standard 100% Whey Protein, Chocolate Hazelnut?
Gold Standard 100% Whey Protein, Chocolate Hazelnut is made by Optimum Nutrition. See Formulate's full grade and product lineup for Optimum Nutrition on its brand page.
Is Optimum Nutrition Gold Standard 100% Whey Protein, Chocolate Hazelnut third-party tested?
Optimum Nutrition lists the following certifications and testing for this product: Gluten-Free, Informed Choice.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.