Gelatin is a solid and transparent material that has wide application in various industries, especially for the production of food and pharmaceutical. This material is mainly made from meat, skin and bones of pigs and cows around the world. The industrial process of gelatin production is a long and costly process Also; these sources of gelatin production are prohibited in many religions and cultures in the world and they have a lot of health hazards. Therefore, this study was aimed at reviewing the alternative sources of gelatin production and the disadvantages and benefits of each of them. Relevant articles were searched from Google Scholar, Pub Med, Scopus, Science direct, and Cochrane library. According to the results of this article, gelatin with a source of animal can have many harmful effects on human health. While it is possible to produce good and useful gelatin using plant sources. Almighty Allah has always recommended humans to consume halal foods while avoiding haram foods. Extensive research is required from the Islamic world to replace haram products with halal and Islamic products. Nowadays, from materials such as agar, pectin, carrageenan and konjac that are mentioned above, and as well as other materials, very good gelatins are prepared. And further researches are needed to find the rich sources of good gelatins or to find plants that have appropriate gelatin.