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 ...

If you take protein powder, it's probably because you think you're doing something healthy for your body. After all, protein makes up the building blocks of muscles, bones, skin, hair, and nails.

How much do you need, and where should you get it? See how much you really know about this essential nutrient with our quiz. By Alice Callahan Illustrations by Sophia Pappas Nov. 16, 2023 It’s the ...