The article discusses the multifunctional applications of astaxanthin derived from Haematococcus pluvialis, highlighting its potent antioxidant, anti-inflammatory, anti-diabetic, and anticancer properties, along with its role in health and nutrition. In the C60a formula, astaxanthin contributes by reducing oxidative stress, enhancing cellular resilience, and supporting metabolic health. This study directly supports the C60a product’s goal by validating astaxanthin’s health-promoting effects and reinforcing its role as a powerful antioxidant.