11/08/2025
Unlike prescription and over-the-counter drugs, the Food and Drug Administration doesn’t review, approve, or test supplements like protein powders before they are sold. Federal regulations also don’t generally require supplement makers to prove their products are safe, and there are no federal limits for the amount of heavy metals they can contain.
RocklandMedicalWeightLoss.com
CR tests of 23 popular protein powders and shakes found that most contain high levels of lead.