Kelp or Bladderwrack or Seawrack or Seaweed grows in coastal areas around the world. Sea kelp is a rich source of natural vitamins and minerals including trace elements. Kelp plant can grow as much 2 feet per day. This plant can be used for medicinal purposes. Kelp is dependant on the sea for a number of nutritious elements present in it since seawater is the main source of nutrients.Kelp contains about 30 minerals. Kelp is packed with iodine, calcium, sulfur, silicon, phosphorus, iron, sodium, barium, boron, chromium, lithium, potassium, aluminum, strontium, bismuth, magnesium, copper, chloride, zinc, manganese, nickel, silver, vanadium, chlorine, cobalt, gallium, tin and zirconium. It contains vitamin C, E, D, K and B complex. It is often recommended to people having the mineral deficiency. kelp is a plant which is beneficial for both humans as well as plants. It strengthens the human immune system and promotes plant growth. Some benefits of kelp are discussed below.