Kelp powder is a fine, greenish-brown powder made from dried and ground kelp, a type of large seaweed found in underwater forests. It is rich in vitamins, minerals, and antioxidants, making it a popular supplement for enhancing nutrition. Kelp is particularly high in iodine, which is essential for healthy thyroid function. This powder can be added to smoothies, soups, and other dishes to boost their nutritional value. Additionally, it is often used in cosmetics and fertilizers due to its beneficial properties. Kelp powder is a versatile ingredient that supports both health and environmental sustainability.