Last fall, Consumer Reports tested dozens of protein powders and ready-to-drink shakes. What the lab found raised red flags.

A popular protein powder praised for tasting like cake batter was sent to a certified lab. What came back shocked everyone.

Consumer Reports tested five reader-requested chocolate protein powders: Clean Simple Eats, Equate from Walmart, Premier ...

Last year, a Consumer Reports investigation found concerning levels of lead in some popular protein powders—raising big ...

‌Protein appears in nearly all body tissues, along with your enzymes, blood, and cerebrospinal fluid (CSF). Healthy CSF has a low amount of protein.‌ If you show symptoms of an infection or nervous ...

A urine protein test measures the amount of protein in a urine sample. A doctor may suggest this test to help evaluate and monitor kidney function and potentially detect kidney damage. The kidneys ...