Researchers just found arsenic, lead and cadmium in some popular protein powders—here’s why some experts aren't convinced.

Researchers at the University of Waterloo have found that a special type of charcoal, known as biochar, can remove toxic ...

Nearly half of 160 different protein powders recently tested by the nonprofit Clean Label Project exceeded California’s Proposition 65 strict safety thresholds for heavy metals like lead and ...

“Heavy metal contaminant is a global food safety problem,” Jackie Bowen, executive director of the Clean Label Project, told CNN. “These contaminants are basically everywhere, including in ...