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American nutrition and dietary supplement company founded in 2014
Independent third‑party testing of -contamination-2025">protein powders is patchy but public: laboratory tests of 23 popular powders found more than two‑thirds contained more lead above CR’s safety th...
’ October 2025 testing and earlier data repeatedly flagged specific plant-forward powders — most prominently ’s Vegan Mass Gainer and ’s Black Edition — as containing well above the Consumer Reports/ ...
Consumer Reports’ testing placed Optimum Nutrition’s Gold Standard 100% Whey among the lower‑lead dairy powders and listed it as a “better choice for daily consumption” in its review of 23 protein pro...
conducted laboratory tests on two rounds of and ready‑to‑drink shakes (initially 23 products, later expanded with five additional powders), reporting per‑product lead, arsenic, cadmium and mercury mea...
Recent independent testing by Consumer Reports and follow-up coverage found measurable lead in many protein powders, with more than two‑thirds of 23 tested products containing a single serving with mo...