Parsley is rich in biological compounds such as flavonoids (apigenin), apiol, vitamin C and chlorophyll, and minerals such as potassium and calcium.
Recent experimental and review studies show that these ingredients help reduce oxidative stress and inflammation, two underlying mechanisms for chronic kidney damage.
An obvious benefit of parsley is its natural diuretic properties: when consumed fresh (salads, light juices or tea), parsley can increase urine output, helping the body excrete excess sodium and solutes, reduce edema and reduce pressure on the kidney's filter system.
Standard health sources also list parsley in the list of herbs that are prescribed for diuretic effects, however, major health organizations such as Mayo Clinic and Cleveland Clinic note that clinical evidence is limited and should be used cautiously, avoiding replacing prescription drugs without consulting a doctor.
In addition to diuretic effects, flavonoids in parsley have anti-inflammatory and antioxidant properties, helping to protect renal Tube cells from damage caused by free radicals and inflammatory cytokines.
When inflammation is reduced, the filtering and reabsorption process in the kidneys works more effectively, reducing the risk of chronic damage.
Some short-term monitoring studies in humans and animal models have reported improvements in some inflammatory markers and kidney function after supplementing parsley as preparation or fresh consumption, but the authors all emphasized the need for more large, long-term clinical trials to confirm its effectiveness.
Using fresh parsley as a spice, sprinkle it on salad, porridge, soup or lightly blend it into yogurt, about a handful (10-20g) a few times a week is reasonable for healthy people.
Parsley tea or thick juice should be cautious, avoid long-term high doses because it can interact with diuretic drugs, blood pressure drugs or affect potassium balance.
People with progressive chronic kidney disease, dialysis, or need to limit potassium or phosphate, as well as pregnant women, should consult a doctor or nutritionist before taking this vegetable for dosage.
