Cinnamtannin B-1 (LDN-0022358) is a natural compound found in cinnamon bark, primarily studied for its potential therapeutic and health-related applications. It exhibits strong antioxidant properties, making it useful in combating oxidative stress-related conditions such as inflammation, aging, and certain chronic diseases. Research suggests its role in improving cardiovascular health by reducing blood pressure and enhancing endothelial function. Additionally, it has been explored for its anti-diabetic effects, as it may help regulate blood sugar levels and improve insulin sensitivity. Studies also indicate potential in inhibiting cancer cell growth. In skincare, it is investigated for its ability to protect against UV-induced damage and promote skin repair. Its antimicrobial activity makes it a candidate for developing natural preservatives or treatments for infections. In the food and cosmetics industries, it is used as an antioxidant and preservative to extend product shelf life and enhance skin care efficacy.