Summary
Consumer Reports tested 23 protein supplements and found that more than two-thirds contained unsafe levels of lead. There are no mandatory federal standards for heavy metal contamination in protein powders, raising concerns about consumer safety. Some plant-based protein powders showed the highest lead levels, with Naked Nutrition's Vegan Mass Gainer and Huel's Black Edition having the most lead.
Key Facts
- Consumer Reports tested 23 protein supplements, including popular brands.
- Over two-thirds of the products had unsafe lead levels.
- Plant-based powders generally had more lead than dairy-based ones.
- Naked Nutrition's Vegan Mass Gainer had the most lead at 7.7 micrograms per serving.
- Huel's Black Edition powder had 6.3 micrograms of lead per serving.
- Two products had high levels of cadmium, and three contained inorganic arsenic.
- There are no federal limits on heavy metals in protein supplements in the U.S.
- Lead accumulates in the body, posing long-term health risks.