Study finds high lead levels in protein powders NST OnlineWhy scientists found lead in protein powders Chemical & Engineering NewsConcerned about your protein powder habit? Consider these whole food protein swaps The Globe and MailPopular Protein Powders, Shakes Test Positive for Lead. Are They Safe? HealthlineThat ‘Healthy’ Protein Powder You Love? It Might Be Hiding Unsafe Levels of Lead CNET