Seaweeds are rich in bioactive compounds like amino acids, omega-3 fatty acids, vitamins, and antioxidants, which offer various health benefits, including antioxidant, anticancer, antidiabetic, antimicrobial, and anti-inflammatory effects. Their well-balanced nutritional profile makes them a promising source of functional ingredients for food products and nutraceuticals, promoting health, preventing diseases, and supporting therapeutic interventions. As such, seaweeds are emerging as an important resource for the development of health-promoting foods and supplements.