Grapefruit seed extract is a natural substance derived from the seeds and pulp of grapefruit. It is often used for its potential health benefits and is believed to possess antimicrobial and antioxidant properties. This extract is commonly found in dietary supplements, personal care products, and household cleaners. Advocates claim that it can help support the immune system, promote skin health, and combat infections. However, it is important to note that scientific evidence supporting these claims is limited, and more research is needed to fully understand its efficacy and safety. As with any supplement, it is advisable to consult with a healthcare professional before use.