This simply means that it is largely free of the side effects that so many people experience with a number of prescription and nonprescription weight loss supplements and medication. Chitosan is not best for pregnant women, so avoid taking it when you're pregnant. Also, when you are nursing or taking any medication, consult your health care professional first before taking any product that contain chitosan. and so is the name given to it. Natrol, Inc. based in Southern California is one of the well known companies producing nutritional supplements including Natrol Chitosan. In fact, this company not only manufactures but also advertises its high quality and branded Chitosan supplements. This manufacturing company is now producing its own Natrol Chitosan capsules along with many other weight controlling tablets. You must know the quantity and proper time of taking chitosan because if you will not follow the instruction written by doctor then you may have problems like itching, headache etc. When you are going to buy discount chitosan you must know the possible side effects of this medicine. Chitosan is made of crustaceans shell and some people have allergy problem because this shellfish. There are still no long-term studies of the side effects of chitosan on human health as most of the studies were conducted on animals. However, if we will look at those animal studies and the first published 1999 clinical trial done on humans, results suggest that chitosan could inhibit the absorption of minerals and fat soluble vitamins. Additional point to be considered is the determinations that with rising alcohol chitosan matter in the mixture, the water consumption step-ups. It is, on the other hand, drop-offs with the joining of the mixtures with glutaraldehyde. As well, the water ingestion step-ups when pH diminishes. Therefore, the result of pH on rising water ingestion is extremely given concentration in this research knowing that it is more important for samplings with more chitosan matter. Chitin is also found in exoskeletons of shellfish and is the second abundantly occurring polymer in nature. Moreover, manufacturers may also get chitin from shells of insects and cell walls of fungi for preparing dry or liquid Chitosan synthetically. Chitosan is nothing but just the most refined form of natural chitin, which is obtained from shells of crustaceans and shellfish.