Common Duckweed, scientifically known as Spirodela polyrhiza, is a small yet powerful aquatic plant celebrated for its unique nutritional and environmental benefits. This floating water plant, often found in calm ponds, lakes, and wetlands, has a long-standing history of use in both traditional medicine and modern applications, making it a fascinating botanical with a wide range of uses. Traditionally, Common Duckweed has been recognized in herbal medicine for its cooling properties and ability to support the body's natural detoxification processes. In traditional Chinese medicine, it is often used to promote skin health, reduce inflammation, and assist in relieving symptoms associated with heat or fever. Its tiny, nutrient-dense structure contains beneficial compounds like flavonoids, tannins, and polysaccharides, which contribute to its medicinal potential. Beyond its therapeutic uses, Spirodela polyrhiza is gaining recognition as a sustainable superfood. Packed with essential nutrients such as protein, amino acids, vitamins, and minerals, it is often referred to as "water lentil" in modern dietary contexts. Its high protein content and digestibility make it a valuable plant-based protein source, suitable for vegetarians, vegans, and anyone looking to enrich their diet with natural, nutrient-rich foods. Common Duckweed also plays an important ecological role, contributing to water purification and nutrient cycling in aquatic ecosystems. It is a natural biofilter, capable of absorbing excess nutrients and contaminants from water, making it an eco-friendly choice for sustainable agriculture and aquaculture systems. Whether you’re incorporating it into herbal remedies, exploring its potential as a superfood, or leveraging its ecological benefits, Common Duckweed is a versatile and sustainable resource. With its compact size and immense utility, it exemplifies the extraordinary potential of small-scale natural solutions to provide nourishment, healing, and environmental support.