Small amounts of protein can appear in your urine and be OK. Above a certain level, however, may indicate proteinuria, which can be a red flag for kidney disease. Proteins are among the most important ...

Proteinuria refers to elevated protein levels in the urine. It is not a disease but a sign that the kidneys are not correctly filtering blood, possibly due to a kidney condition. Several proteins may ...

Protein showing up in the urine is often one of the earliest red flags that the kidneys aren’t functioning the way they should. When the body’s filtration system weakens, essential proteins begin ...

Foamy urine can be a sign of kidney trouble, but it is not always serious. Research shows only a third of people with foamy urine have protein in it, a key kidney damage indicator. Other natural ...