Protein powders may contain high levels of lead and cadmium, with chocolate-flavored and plant-based products testing at the highest levels, a new report said.

Protein powder is a must for anyone getting serious about building muscle or maintaining muscle as the amino acids provided by protein powder are crucial

Nearly half of some of the most popular protein powders have levels of heavy metals like lead that exceed government food safety regulations, a consumer safety nonprofit said in its report Thursday. Why it matters: No level of lead exposure is safe,

exceeded California Proposition 65 safety thresholds for toxic metals. The presence of heavy metals was most pronounced in plant-based protein powders, with products made from rice, peas, and soy found to have up to three times the amount of lead compared to whey-based products.

A new Clean Label Project report suggests some protein powders contain heavy metals lead and cadmium. See which ones are safe here, plus what an expert advises.

A new report from the Clean Label Project says some popular protein powders may actually be poisonous. The report found “disturbing” levels of lead and cadmium in over-the-counter protein powers, with the highest amounts of the heavy metals being found in plant-based,

Over-the-counter protein powders have levels of lead and heavy metals like cadmium that exceed government food safety regulations, according to a report issued by the Clean Label Project, a consumer safety nonprofit.

Some of the most popular protein powders on the market may contain concerning levels of heavy metals, according to a new report from the Clean Label Project. Plant-based and organic products contained some of the highest amounts.