GOLD STANDARD 100% WHEY™
WhatToTrustTM Score
12345678910
Optimum Nutrition®
Last updated: Mar 02, 2026
GOLD STANDARD 100% WHEY™ Protein powder supports muscle and post-workout recovery with 24g of quality protein and 5.5g of naturally occurring BCAAs per serving. It’s crafted to be a complete, fast-digesting protein with whey protein isolate as the primary source – a filtered form of whey that can support protein goals for people at every level of fitness – from daily runners and gym-goers to competitive strength athletes and everyone in between.*
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GOLD STANDARD 100% WHEY™ Ingredients*
We only evaluate bioactive ingredients—the ones that truly contribute to a product's performance. Below is a list of bioactive ingredients found in this product.
For each ingredient, the quantity in parentheses indicates the amount per serving.
Protein Blend contains (Whey Protein Isolate, Whey Protein Concentrate, Hydrolvzed Whey Protein)
Whey protein is primarily sourced as a byproduct of the cheese-making process from cow's milk. Whey is particularly rich in BCAAs, especially leucine. Leucine is a key amino acid that directly stimulates muscle protein synthesis.
Calcium is a mineral essential for bone health and various bodily functions, often consumed through dairy products, fish, and leafy greens.
Iron is a mineral necessary for the production of hemoglobin, a protein that transfers oxygen from the lungs to the tissues.
Potassium is an essential mineral and electrolyte that helps regulate fluid balance, nerve signals, and muscle contractions, playing a crucial role in heart and kidney function.
*These product and ingredient description statements have not been evaluated by the Food and Drug Administration (FDA). This product or its ingredients are not intended to diagnose, treat, cure or prevent any disease.
Product description and ingredient list are obtained from the product's brand/company website. Ingredient description is provided by our expert.
WhatToTrustTM scores are based on ingredient quality tests as well as pre-clinical and clinical testing to ensure that a product is scientifically developed and manufactured.
Breakdown of WhatToTrustTM Score for this product
WhatToTrustTM Science Score
5/10
Ingredient Quality Testing (Batch-to-Batch Testing)
Identity and Potency Testing
yes
Purity/Contaminant Testing
yes
Ingredient Validation Testing
Ingredient Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Ingredient Validation Pre-clinical Testing and Certification
no
Ingredient Clinical Trial/Testing
yes - (Product website does not mention clinical trial, but similar ingredients 've been clinically tested.)
Borrowed Science
no
Product Validation Testing
Product Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Product Validation Pre-clinical Testing and Certification
no
Product Clinical Trial/Testing
no
Borrowed Science
no
WhatToTrustTM ScoreHow we calculate WhatToTrustTM Score.
WhatToTrustTM Score
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