Lead Found in Protein Powders: Is Your Brand Safe?

A recent investigation by Consumer Reports revealed concerning levels of lead in a significant number of protein shakes and powders available to consumers. The study, conducted over a three-month span starting in November 2024, involved purchasing and testing numerous protein products for lead content.
The results indicated that a substantial portion – over two-thirds – of the products tested contained lead levels surpassing what Consumer Reports' food safety specialists consider acceptable for daily consumption. In some instances, the lead content exceeded the safety threshold by a factor of ten.
The analysis singled out two plant-derived protein powders as containing such high lead concentrations that the experts consulted by Consumer Reports advised against their regular use.
Specific Products with High Lead Levels:
The investigation highlighted specific products and their lead levels:
- Naked Nutrition's Mass Gainer: This product was found to have 7.7 micrograms of lead per serving, which is approximately 1,570% over the organization's acceptable lead level.
- Huel's Black Edition: A serving of this powder contained 6.3 micrograms of lead, around 1,290% above the Consumer Reports' daily limit.
- Garden of Life's Sport Organic Plant-Based Protein and Momentous' 100% Plant Protein: These had lead concentrations between 400% and 600% of the acceptable levels, with experts recommending limiting consumption to once per week.
- MuscleMeds' Carnivor Mass: This non-plant-based protein powder contained lead levels over 200% of the organization's benchmark.
The report also indicated that certain beef, plant-based, and dairy-based protein products had lead amounts above Consumer Reports' safety threshold.
Other Contaminants Discovered:
Beyond lead, the investigation also found concerning levels of other heavy metals:
- Huel's Black Edition: One serving contained 9.2 micrograms of cadmium, more than twice the daily limit of 4.1 micrograms.
- Vega's Premium Sport: Testing showed unacceptable levels of cadmium.
- Optimum Nutrition's Serious Mass: This product contained 8.5 micrograms of inorganic arsenic per serving, double the recommended safe daily limit.
Company Responses:
Consumer Reports contacted the manufacturers of all the products named in the report. Huel released a statement expressing its frustration with the report, stating it believes it to be alarmist. Huel indicated the report is based on California's Proposition 65, which has a stringent threshold for lead, which the company believes is overly cautious. Momentous stated that the products that were tested as part of the Consumer Reports study were discontinued across all sales channels in March and are no longer available for purchase.
Health Risks of Lead Exposure:
According to medical experts, continuous or high-dose exposure to lead can be particularly dangerous. Pregnant women and children face the greatest risks, as lead exposure can lead to neurological problems, learning impairments, and behavioral issues. Chronic lead exposure in adults has been linked to immune system suppression, reproductive complications, kidney damage, and high blood pressure.
Sources of Lead Contamination:
The presence of lead in food is almost unavoidable, given environmental conditions. Lead is a naturally occurring element in the earth's crust. Furthermore, agricultural practices can contribute to contamination via industrial pollution, wastewater utilized for irrigation, and dust from roadways, as plants can absorb these elements from their environment. Metals might also accumulate in milk when livestock ingest contaminated feed and water.
Recommendations for Consumers:
Experts advise individuals concerned about protein intake to minimize their exposure to potential contaminants. Checking available test results for specific products before purchasing and prioritizing whole foods with high protein content over processed powders and shakes is recommended.















