Used in traditional Chinese medicine for cardiovascular protection, Tanshinone I helps improve blood circulation and prevent blood clots. It exhibits anti-inflammatory and antioxidant properties, making it valuable in supporting heart health. Research explores its potential in inhibiting tumor growth, particularly in cancer cells like breast and liver cancer, due to its ability to induce apoptosis and block cell cycle progression. It also shows promise in treating neurodegenerative diseases by protecting nerve cells from oxidative damage. Additionally, it is studied for antimicrobial effects against certain pathogens, supporting its use in managing infections.