The industry gold standard by volume — 100K+ Amazon reviews, 15+ flavors, enormous market share. Excellent heavy metals results (non-detect in CR 2025 and CLP top 10%). Informed Choice certified. Full
The industry gold standard by volume — 100K+ Amazon reviews, 15+ flavors, enormous market share. Excellent heavy metals results (non-detect in CR 2025 and CLP top 10%).
Formulation Quality
0
Testing & Transparency
5
$1.06/serving
Detailed Scoring
Evident Ratings
Gold Standard 100% Whey
Sub-scores are category scores on a 1–5 scale, shown out of 10.
The industry gold standard by volume — 100K+ Amazon reviews, 15+ flavors, enormous market share. Excellent heavy metals results (non-detect in CR 2025 and CLP top 10%).
Researched and scored by Evident Reviews using our published criteria (owned brands disclosed)High confidence
3.1
Overall
Material Safety
0/10
Trust & Reputation
5/10
Value & Policy
6/10
Features
2.6/10
Firsthand testing
4.6/10
Material & Safety
Third-Party Testing
Informed ChoiceVerified
COA Availability
Not availableClaimed
Heavy Metals Testing
Consumer Reports 2025: lead below detection limits (#5 ranked whey). Clean Label Project: top 10% of 150+ products tested (Vanilla Ice Cream flavor).Verified
Clean Label Project
Top 10%Verified
USDA Organic
NoClaimed
Trust & Reputation
Amazon Rating
4.7 (100,000 reviews)Verified
Amino Acid Profile Disclosed
YesVerified
Red Flags
Settled $1.4M class action (2012) over Aminogen protein spiking allegations. Historical Consumer Reports protein shake (not powder) had 150% of CR lead concern level. Both issues appear resolved. Contains carrageenan.Verified
Value & Policy
Price
~$1.06/serving (5 lb tub)Verified
Price Per Serving
$1.06Verified
Servings Per Container
73Verified
Return Policy
30-day return policy via optimumnutrition.com; supplements require 75% unused; refund to original payment methodClaimed
Subscription
No subscription on brand site; Amazon Subscribe & Save available (~5% off)Claimed
Features
Natural Flavors
Contains: Contains 'Natural and Artificial Flavor'Claimed
Contains: Contains soy and/or sunflower lecithin (varies by flavor)Claimed
Added Sugar
1gClaimed
Sweetener
Sucralose + Acesulfame-KVerified
Protein Source Category
Animal-BasedVerified
Protein Source
Whey BlendVerified
Made In
USAClaimed
GMP Certified
YesVerified
Manufacturing Location
Aurora, Illinois, USAClaimed
Background
Owned by Glanbia Performance Nutrition. Launched in 1986. The best-selling protein powder globally. Gold Standard Whey set the template for the modern protein powder market. Aurora, IL facility is NSF GMP for Sport certified.