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Optimum Nutrition Gold Standard 100% Whey Protein, Coffee

Gold Standard 100% Whey Protein, Coffee

81A-
Grade A- · powder · 71 servings · $114.99
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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.

Evidence Qualityweight 40%
95/ 100
Dose Adequacyweight 35%
95/ 100
Form/Bioavailabilityweight 25%
75/ 100
Transparencyweight 0%
60/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
90/ 100

Ingredients per Serving

IngredientAmount
Protein24 g

Certifications & Testing

Gluten-FreeInformed Choice

Other Ingredients

Whey Protein Isolate, Whey Protein concentrate, Whey Peptides, Coffee, Sunflower Oil, Maltodextrin, modified Food Starch, Dipotassium Phosphate, Tricalcium Phosphate, Tocopherols, Lecithin, Natural Flavors, Acesulfame Potassium, Sucralose, Aminogen, Lactase

Recommended Use

Around exercisepreferred, not required

Spoon Stirred: If you forgot your shaker cup or don't have time to get out the blender, you can just add one heaping scoop of Gold Standard 100% Casein to a glass filled with 10-12 oz of cold water, milk or your favorite beverage. Then mix it up with a spoon for about 30 seconds or until powder is dissolved. Tip: Adjust the flavor and texture of your Gold Standard 100% Casein Shake by varying the

Warnings

Notice: Use this product as a food supplement only. Do not use for weight reduction. Allergen Information: Contains milk and soy (Lecithin) ingredients.

Frequently Asked Questions

What is Optimum Nutrition Gold Standard 100% Whey Protein, Coffee's Formulate score?

Optimum Nutrition Gold Standard 100% Whey Protein, Coffee 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, Coffee worth it?

Optimum Nutrition Gold Standard 100% Whey Protein, Coffee 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, Coffee?

Each serving contains Protein (24 g). Serving size: 32 Gram(s). 71 servings per container.

How do I take gold standard 100% whey protein, coffee?

Spoon Stirred: If you forgot your shaker cup or don't have time to get out the blender, you can just add one heaping scoop of Gold Standard 100% Casein to a glass filled with 10-12 oz of cold water, milk or your favorite beverage. Then mix it up with a spoon for about 30 seconds or until powder is dissolved. Tip: Adjust the flavor and texture of your Gold Standard 100% Casein Shake by varying the amount of liquid you use to prepare it. For a bolder flavor with a slightly more body and sweetness,

Who makes Gold Standard 100% Whey Protein, Coffee?

Gold Standard 100% Whey Protein, Coffee 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, Coffee 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.