Lemons are rich in vitamin C, antioxidants, and natural plant compounds that may support overall health. One lemon contains approximately 30–40 mg of vitamin C, which helps protect cells and supports the immune system. 1. Supports Natural Detoxification Lemon water helps keep you hydrated and supports normal kidney function. Lemons contain citrate, which may help prevent certain types of kidney stones. Research discussed in the article also suggests that compounds in lemon peels may help protect the liver, although much of this research comes from animal studies. 2. May Improve Digestion Lemons contain natural plant compounds called flavonoids that may support digestion and help reduce mild stomach discomfort. Lemon peel also contains compounds being studied for their potential effects on gut health. 3. May Support the Body's Acid Balance Although lemon juice tastes acidic, the article describes potential alkalizing effects after digestion. However, drinking lemon water does not significantly change your blood pH, which is tightly regulated by the body. 4. May Help With Weight Management Lemon water is low in calories and can be a good replacement for sugary drinks. Lemons also contain pectin and polyphenols, which have been studied for their possible effects on appetite and fat metabolism. However, there is limited human research showing that lemon water directly causes weight loss. 5. Supports Healthy Skin Vitamin C helps the body produce collagen, a protein that keeps skin firm and strong. The antioxidants in lemons also help protect cells from damage caused by free radicals. These nutrients may support healthy skin, although drinking lemon water has not been proven to eliminate wrinkles. 6. Lemon Peel Contains Beneficial Natural Oils Lemon peel contains essential oils and natural compounds with antioxidant and antimicrobial properties. Research has explored lemon oil for its effects on bacteria, fungi, and nausea. One study involving approximately 100 pregnant women reported reduced nausea and vomiting with lemon oil aromatherapy.