All important information about Chitosan is also covered by this messaging board as it is a biopolymer. You can post your queries on these message boards. However, you are required to be registered and then login if you want to take part in Chitosan related discussion. The process of getting registered with this website is so simple. Many other crustaceans may also be used in order to get Chitosan, which is in actual a compound of chitin. Chitin is the fundamental polymer found in the hard outer shells of most of the aquatic arthropods. Chitosan is the designer fiber present in chitosan plus to attract and take hold of fat present in digestive tracts of human beings. Because no extensive safety studies have been done to back up the claimed benefits of chitosan, every people must be careful and must seek for guidance from a health care professional before taking any chitosan product. Aside from those above mentioned chitosan warnings, there are other factors that must be considered before buying chitosan based products. One of the most commonly cited studies on chitosan by the marketers and manufacturers of chitosan-based products is the 1994 ARS Medicina (Helsinki) Report. In this study, it was found out that test subjects lost eight percent of body fat and reduced cholesterol by thirty-two percent in four weeks. Secondly, there are various studies on chitosan which revealed that the substance lowers plasma cholesterol and triglycerides and improved the HDL cholesterol level. The name chitin is derived from Greek word, i.e. tunic or envelope. The idea was further elaborated in 1843 by Lassaigne. He was demonstrating the occurrence of nitrogen in Chitosan. After the invention of chitin, the name "chitosan" came forth. It was first revealed by Rouget whilst trying out different things with chitin. Chitosan is made of crustaceans shell and some people have allergy problem because this shellfish. Research proves that mostly people are allergy from different shellfish like shrimps; lobster etc so you should be careful before taking this medicine. If you are pregnant and you want to use discount chitosan then you must consult with your doctor because sometime it will affect the growth of the child.