Under scrutiny, The Clean Label Project does not appear to be as unbiased as it seems. The Clean Label Project explains this is due to plants’ ability to absorb heavy metals from the soil, which sounds logical for an instant or two, but what about all those plants the cow ate during it’s lifetime? Something doesn’t add up. So why then were the plant-based proteins in this study given the worst ratings, while all of the ‘cleanest’ proteins in the top five were whey protein – derived from cow’s milk? All of the food contamination an animal eats in it’s lifetime is stored within it’s body for a period of time, and often for life ( you can learn more about bioaccumulation in this on post endocrine disruptor pollutants). If you’ve read much on relative contamination risk, this should really surprise you because virtually all environmental contaminants are concentrated up the food chain, often by a hundred or even a thousand fold. Two of the top five worst proteins, according to the report, were Garden of Life and Vega’s plant-based proteins, and 75% of the plant-based proteins surveyed had ‘measurable levels’ of lead, whereas the dairy and egg proteins were rated far better. The report cites research by The Clean Label Project and ranks protein powders based on different measures of contamination. A recent Consumer Reports article caused quite a stir regarding the safety of consuming plant-based proteins.
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