Theaflavin 3'-O-gallate is widely recognized for its potent antioxidant properties, making it valuable in the health and wellness industry. It is commonly incorporated into dietary supplements aimed at reducing oxidative stress and supporting overall cellular health. This compound is also utilized in skincare products due to its ability to protect the skin from damage caused by free radicals, thereby helping to prevent premature aging and improving skin elasticity. Additionally, it has been studied for its potential role in cardiovascular health, where it may help in managing cholesterol levels and improving blood vessel function. In the food industry, it is sometimes added to functional foods and beverages to enhance their nutritional profile and provide health benefits.