Kelp is able to eat raw, but it is not recommended to eat raw. Kelp raw taste is far less than cooked kelp, hard and tasteless, kelp is a marine algae, may carry bacteria, spores and parasites, etc., if eaten raw may lead to the occurrence of physical disease, is not good for human health. Because of its long-term growth in the sea, it is best to eat after high-temperature sterilization, cooked kelp taste better, the nutrients are easy to be absorbed by the body, beneficial to health. Kelp is rich in nutrients, containing 94.4g of water, capacity of 60KJ, as well as a wealth of minerals, such as calcium 46mg, potassium 246mg, magnesium 25mg, these nutrients can give the body a good supplemental energy. People who are allergic to kelp are not recommended to eat raw kelp, otherwise it may trigger an allergic reaction and affect their health.