Chitosan 1000 mg products are now available in more than 50 varieties. However, the most commonly purchased and utilized varieties are Chitosan 1000mg Plus and Super Fat Bloc Chitosan 1000mg. The Chitosan 1000 mg Plus is basically composed of specifically selected elements but main ingredient is 1000 mg of Chitosan. It is often the subject of most debates regarding weight loss. Some say that there are adverse side effects of chitosan, while others have shown evidences that contradict such belief. 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. Chitosan Plus is basically composed of Chitosan polymer mostly obtained from the outer skeletons of crabs. 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. The body naturally has a means of regulating the production and removal of these lipoproteins to keep them at healthy levels. However, if these levels have become too high, and the cholesterol "set points" attempts to reduce the cholesterol levels through diet alone will be defeated by your own body's production of cholesterol. 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. One of the generally formed mixes these days is mixings with polyvinyl alcohol as well as chitosan. The polyvinyl alcohol-chitosan mixed celluloids are generally made from: The polyvinyl alcohol (PVA). Chitosans (Cs) with changeable concentrations. For additional prominence, the alcohol-chitosan mingle films were manufactured by drawing the individual polymer results.