01Gold Standard
Essential Grass-Fed Whey
$6024 servings
NSF-certifiedgrass-fedheavy-metal-tested
NSF Certified for Sport + Informed Choice. Cold-pressed, micro-filtered. Consumer Reports found 2/3 of protein powders have concerning heavy metal levels—third-party testing is essential.
Quality Score11/12
Purity
Evidence
Transparency
Value
Strong Evidence
◈
Ingredients & Purity
Grass-fed whey isolate. Cold-processed to preserve immunoglobulins.
◇
Scientific Evidence
NSF Certified for Sport is most rigorous third-party certification.
○
Brand Transparency
Batch-tested. COAs available.
□
Value Assessment
$2.50/serving. Premium but verified safe.
Why Not Alternatives?
Most protein powders aren't tested for heavy metals. Plant-based had 9x more lead than whey in CR testing. This is verified clean.