Abstract
Among various emerging food sectors, the nutraceutical sector has gained the attraction of most industries and researchers. Nutraceuticals are generally considered to be the alternative to the pharmaceutical dosage which provides physiological benefits. They are usually functional ingredient present which supplements nutrition to the body. These nutraceuticals are also derived from algae, where the most commonly found products of algae are derived from Spirulina sp, Chlorella sp and Klamath sp. It is reported that microalgae tend to strengthen the immune system by increasing nutritional constituents present in the body. In this review, detailed elaboration of various nutraceutical compounds from algal sources, their recent trends and future prospects are discussed.