Collagen & Peptide NutritionNutrition and collagen guides

Nutrition guide

Protein Powder v2 Category Tested Products

The Clean Label Project (CLP) performed a comprehensive analysis of the Protein Powder category that included the following 165 products. CLP’s Clean Sixteen highlights the 16 products with the lowest levels of contaminants. Please note that the absence of a p

The Clean Label Project (CLP) performed a comprehensive analysis of the Protein Powder category that included the following 165 products.

CLP’s Clean Sixteen highlights the 16 products with the lowest levels of contaminants.

Please note that the absence of a product from the Clean Sixteen is not necessarily an indicator that its contaminant levels exceed federal or state regulations, or that it would not qualify for CLP certification, only that it did not rank in the top 16.

Products are listed in alphabetical order.

The dirtiest 5 protein powders tested as part of this dataset contain significantly more heavy metals, per serving, than the Clean Sixteen cleanest protein powders. 

How much more?

  • 45.9x more Cadmium
  • 38.4x more Lead
  • 31.5x more Arsenic
  • 2x more Mercury

Protein Powder Products Tested:

Legend: