Fish delivers protein, and when you choose a fatty fish like tuna, salmon or trout, you're also getting omega-3 fatty acids.

In this case, other foods that contain quercetin are not associated with headaches, so you might not initially consider quercetin as the cause of the red wine problem.

They also contain quercetin, a chemical that can help your body fight cancer, ... so while it makes the list of foods good for kidneys, people with CKD may want to moderate their intake.

In this case, other foods that contain quercetin are not associated with headaches, so you might not initially consider quercetin as the cause of the red wine problem.