Optimum Nutrition Gold Standard 100% Whey Review
Optimum Nutrition Gold Standard Whey Protein in Double Rich Chocolate, sold in a 5 pound tub, is presented on this Amazon listing as a 100% whey protein powder that delivers 24 grams of protein per scoop. The product page describes it as Gold Standard whey protein made from whey protein isolate and concentrate, intended to help build and maintain lean muscle when paired with regular resistance training. The listing highlights an anytime formula that the page suggests is suitable after a run or lift, between meals, with a meal, or any time of day when extra protein is needed. Post workout recovery is another stated use, with the page noting 5.5 grams of naturally occurring branched-chain amino acids (BCAAs) and 11 grams of essential amino acids (EAAs) per serving, which it says support recovery and workouts. The page states that the product is banned-substance tested and made by the brand, which it calls the world's number one sports nutrition brand. It also describes an instantized formula that mixes easily without clumps, with the directions being to shake, stir, or blend one scoop with 6 to 8 ounces of water, milk, or another beverage for about 20 seconds. The listing says that for 35 years athletes have trusted Optimum Nutrition to fuel their training, and that the brand's whey is backed by science and trusted by athletes. The specification table lists the flavor as Double Rich Chocolate, the diet type as gluten free, the protein source as whey, protein at 24 grams, and product benefits as muscle growth and weight gain. The page lists 74 total servings per container, an item weight of 5 pounds, a unit count of 80 ounces, and item dimensions of 8 by 8 by 11.25 inches. The package type is listed as a tub, the manufacturer as Glanbia Performance Nutrition, and the recommended use as post-workout. The page also notes a WARNING about choking hazard due to small parts and that the product is not for children under 3 years. The item is sold and shipped by Amazon.com and is listed as non-returnable due to food safety reasons, though damaged or defective items may be refunded or replaced. The listing shows a Subscribe and Save option. The page's own product title is Optimum Nutrition Gold Standard Whey Protein, Double Rich Chocolate, 5 LB, with the subtitle describing 24 grams of 100% whey protein powder per serving, with BCAAs, gluten free, banned substance tested, easy mixing, and muscle support.
Study, Trial or Testing Result Summary
MembersHuman studies
3 of these 33 human studies gave the ingredient by drip, not by mouth.
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Review Totals and Summary
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Biohacker Summary
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Supplement Facts
Calcium 130 mg · Iron 0.7 mg · Potassium 210 mg
| Calories | 120 | |
| Total Fat | 1.5 g | 2% |
| Saturated Fat | 0.5 g | 3% |
| Cholesterol | 35 mg | 12% |
| Sodium | 50 mg | 2% |
| Total Carbohydrate | 3 g | 1% |
| Dietary Fiber | 1 g | 2% |
| Total Sugars | 1 g | |
| Protein | 24 g | 48% |
| Calcium | 130 mg | 10% |
| Iron | 0.7 mg | 4% |
| Potassium | 210 mg | 4% |
Other ingredients: Protein Blend (Whey Protein Isolate, Whey Protein Concentrate, Whey Peptides), Cocoa Powder (Processed with Alkali), Natural and Artificial Flavor, Acesulfame Potassium, Lactase.
Directions: 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.
Label source: The Vitamin Shoppe · Report a label change
Where to Buy
Optimum Nutrition · Amazon · Sam's Club
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Graded October 29, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

