Algae are a various group of autotrophic organisms that varies from unicellular to multicellular forms and found in saltwater as well as freshwater. They are key producers with a great source of nutrients and vitamins. In the last few decades’ discovery of biological activity from marine algae has increased significantly. Seaweed offers wide range of therapeutic possibilities both externally and internally as they are good source of neutraceuticals and potent drug. Seaweed is widely distributed along temperate and tropical coastlines of the world and they found to depths of 50-60 meters. Our focus is on the potential applications of the medical field. It is used as medicine, food and supplement for ages and also found in rudimentary applications in the cosmetics and industrial industry. The potential uses of algae in the medical field are based on properties like antioxidant, anticancer, antiviral, antimicrobial, antihypertensive, anti-inflammatory, antieczemic etc., The nutrient value in the algae envisages it as a potential supplement for vitamins. Algae is accepted as complete food as it is well balanced with carbohydrates, proteins, essential amino acids, minerals and vitamins and they are commonly named superfoods. Medicinal properties of different algae species attract the attention of scientists worldwide for the synthesis of pharmaceutical products that promote good health. Algae are also widely used in Obesity management which is one of the great challenges of the century.
