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Natural Force

Organic Whey Protein by Natural Force — Grass-Fed, Clean Label Project Certified

83 / 100 Low-Tox Score
Clean Label Project certified grass-fed no artificial sweeteners heavy metal tested
$85.00 approx. — check brand site for current price

2 Brand-claimed certifications — disclosed on the brand's product page

Clean Label Project
Clean Label Project
Brand-wide certification
Brand-disclosed
Checked 2026-05-08T17:00:09.730Z

External link to the brand's own product page. Listings are based on Lowtoxgear's low-tox scoring criteria — we do not certify products ourselves.

Why we list this: The Clean Label Project tests protein powders specifically for heavy metals — a gap in standard certifications. Grass-fed whey tests measurably lower for arsenic and lead than plant-based or grain-fed options.

Key features

  • Clean Label Project Purity Award — tested for 130+ toxins including heavy metals
  • Grass-fed, pasture-raised whey — lower heavy metal baseline than grain-fed
  • No artificial sweeteners, no sucralose, no acesulfame potassium
  • Minimally processed: cold-processed, undenatured whey
  • No carrageenan, no guar gum, no fillers