What Foods Should You Eat in Summer to Nourish the Kidneys?

Aug 13, 2026 Source: Cainiu Health
Dr. Yang Guang
Introduction
During summer, kidney nourishment can be supported by appropriately consuming foods such as Chinese yam, black soybeans, lotus seeds, fox nuts (Euryale ferox), and mulberries—leveraging their inherent properties to regulate the body and reduce the strain that summer heat places on the kidneys. Individuals with pre-existing kidney conditions should seek timely medical consultation to develop a personalized dietary plan. This herbal formula has a mild nature and effectively tonifies both the spleen and kidneys, making it especially suitable for the hot, humid summer season.

During summer, kidney health can be supported by incorporating certain foods—such as Chinese yam, black beans, lotus seeds, fox nuts (Euryale ferox), and mulberries—into the diet. These ingredients possess inherent properties that help regulate bodily functions and mitigate the strain that summer heat places on the kidneys. Individuals with pre-existing kidney conditions should seek timely medical consultation to develop a personalized dietary plan.

1. Chinese Yam: Chinese yam is mild in nature and nourishes both the spleen and kidneys, making it especially suitable during summer when excessive heat depletes vital energy and body fluids. It provides essential nutrients without imposing excessive metabolic burden. It can be steamed, boiled, or added to soups—ideal for daily dietary supplementation for most people.

2. Black Beans: Rich in plant-based nutrients, black beans help tonify kidney qi. During summer, profuse sweating leads to significant loss of body fluids; moderate consumption of black beans supports internal organ regulation. They may be cooked into congee or blended into soy milk. Patients with kidney disease must carefully monitor their total intake.

3. Lotus Seeds: Lotus seeds fortify the spleen and kidneys while calming the mind and soothing the heart. The oppressive summer heat often triggers irritability and insomnia, which indirectly deplete kidney qi. Regularly consuming lotus seed congee helps alleviate heat-induced restlessness and promotes stable sleep—thereby reducing unnecessary depletion of vital essence from the internal organs.

4. Fox Nuts (Euryale ferox): Fox nuts strengthen the kidneys and invigorate the spleen. Summer’s high humidity can impair kidney function by causing dampness accumulation. Moderate intake of fox nuts helps regulate internal dampness and prevent stagnation of pathogenic dampness. When combined with whole grains in cooking, their nourishing effects are further enhanced.

5. Mulberries: Mulberries nourish yin and benefit the kidneys. Intense summer sun easily depletes yin fluids; moderate consumption replenishes yin and alleviates deficiency symptoms caused by dry heat. Avoid overconsumption at one time. Individuals with weak spleen-stomach function should strictly limit intake to prevent gastrointestinal discomfort.

Summer dietary supplementation emphasizes moderation—neither excess nor deficiency. Pair these foods with light vegetables and fruits; minimize raw, cold, or icy beverages; ensure adequate hydration; and maintain balanced sleep-wake cycles. Only through this holistic approach can optimal kidney health be sustained.