You might think organic or natural would be less likely to contain contaminants, but Garden of Life Organic Plant Formula Raw
Protein Powder - Chocolate received an F rating for
heavy metals. Vega chocolate (another plant based protein powder, and one I've tried in the past) also received an F because of heavy metals and plasticizers. Gold standard whey (another I've tried, whey means from cow milk) received a D for below average plasticizers.
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