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A new Consumer Reports investigation found protein powders and shakes have a concerning level of lead.
Lead in protein powders
The backstory:
Consumer Reports first tested protein powders 15 years ago. Since then, protein products have grown in popularity in the
nutrition and wellness craze.
Big picture view:
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.
By the numbers:
Consumer Reports tested 23 protein powders and ready-to-drink shakes from popular brands. About 70% of products tested contained over 120% of CR’s level of concern for lead, which is 0.5 micrograms per day.
What they're saying:
"It’s concerning that these results are even worse than the last time we tested," said Tunde Akinleye, the CR food safety researcher who led the testing project.
"We advise against daily use for most protein powders, since many have high levels of heavy metals and none are necessary to hit your protein goals."
Dig deeper:
This time, in addition to the average level of lead being higher than what was found 15 years ago, fewer products also had undetectable amounts.
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The protein powders and shakes
:
Consumer Reports recommended the following products be avoided:
- Naked Nutrition Vegan Mass Gainer (1,572% of CR’s level of concern for lead per serving)
- Huel Black Edition (1,288% of CR’s level of concern for lead per serving)
:
Consumer Reports recommended limiting the following products to once a week:
- Garden of Life Sport Organic Plant-Based Protein (564% of CR’s level of concern for lead per serving)
- Momentous 100% Plant Protein (476% of CR’s level of concern for lead per serving)
:
Consumer Reports recommended the following products were OK to eat occasionally throughout the week:
- MuscleMeds Carnivor Mass (247% of CR’s level of concern for lead per serving)
- Optimum Nutrition (202% of CR’s level of concern for lead per serving)
- Jocko Fuel Molk Protein Shake (199% of CR’s level of concern for lead per serving)
- Vega Premium Sport Plant-Based Protein (185% of CR’s level of concern for lead per serving)
- Quest Protein Shake (161% of CR’s level of concern for lead per serving)
- Orgain Organic Plant-Based Protein Powder (143% of CR’s level of concern for lead per serving)
- Optimum Nutrition Gold Standard Protein Shake (150% of CR’s level of concern for lead per serving)
- Equip Foods Prime Protein (144% of CR’s level of concern for lead per serving)
- PlantFusion Complete Protein (140% of CR’s level of concern for lead per serving)
- Ensure Plant-Based Protein Nutrition Shake (132% of CR’s level of concern for lead per serving)
- Muscle Milk Pro Advanced Nutrition Protein Shake (128% of CR’s level of concern for lead per serving)
- KOS Organic Superfood Plant Protein (112% of CR’s level of concern for lead per serving)
:
Consumer Reports recommended these products as better choices for daily consumption:
- Owyn Pro Elite High Protein Shake (88% of CR’s level of concern for lead per serving)
- Transparent Labs Mass Gainer (87% of CR’s level of concern for lead per serving)
- Optimum Nutrition Gold Standard 100% Whey (56% of CR’s level of concern for lead per serving)
- BSN Syntha-6 Protein Powder (46% of CR’s level of concern for lead per serving)
- Momentous Whey Protein Isolate (30% of CR’s level of concern for lead per serving)
- Dymatize Super Mass Gainer (25% of CR’s level of concern for lead per serving)
:
Consumer Reports recommended this product OK to consume without limit:
- Muscle Tech 100% Mass Gainer (Lead not detected)
The other side:
CR contacted all manufacturers of the 23 products tested. Seven companies did not respond: BSN, Dymatize, Jocko Fuel, Muscle Milk, Owyn, PlantFusion, and Transparent Labs. Optimum Nutrition declined to comment, and Huel did not respond to questions about the amount of cadmium found in its product.
Of those that responded, many say that lead is a naturally occurring element that is difficult to avoid, particularly in plant-based products, and that their products undergo testing to ensure safety.
What you can do:
There’s no reason to panic if you’ve been using any of the products tested,
testers with Consumer Reports said, or if you take protein supplements generally. Many of these powders are fine to have occasionally, and even those with the highest lead levels are far below the concentration needed to cause immediate harm.
Consumer Reports just says their findings highlight why consumers should carefully consider the role of protein powders and shakes in their diet.
Lead exposure
For context:
The average American adult is exposed to up to 5.3 micrograms of lead each day through their diet, according to a 2019 analysis
published by scientists at the FDA.
The two products that tested for the highest amount of lead per serving exceeded that average amount: Naked Nutrition’s Mass Gainer (7.7 micrograms per serving) and Huel’s Black Edition (6.3 micrograms per serving).
Big picture view:
Lead may be present in food from the environment where foods are grown, raised, or processed,
according to the FDA. And it is not possible to completely prevent lead from entering the food supply, but it may be possible to reduce the levels through changes to agricultural or manufacturing processes.
Dig deeper:
The greatest danger from adverse effects of lead exposure comes from repeated or continuous exposure. Pregnant people and children are the most vulnerable, and childhood exposure to lead can cause long-term harm,
according to the U.S. Centers for Disease Control and Prevention.
Chronic lead exposure has also been linked to immune suppression, reproductive problems, kidney damage, and high blood pressure in adults, Consumer Reports said.
The Source: Information in this article was taken from a Consumer Reports investigation published Oct. 14, 2024, analyzing the levels of toxic heavy metals in 23 popular protein powders and shakes. Background information was taken from the FDA and the CDC. This story was reported from Detroit.