In recent year’s cellulosic porous materials are widely used in drug delivery. It consists of numerous micro-fibrils containing crystalline and amorphous regions, which represents high tensile strength and provide flexibility. Striking advantages like the cost effective, low density, highly porous, high drug loading, safety, good potential for chemical modification and biocompatibility, made it an interesting polymer for applications in the field of biotechnology and nanomedicine in future. This review summarise the sources, isolation, properties, chemistry, characteristics, methods for size reduction and applications of cellulosic porous materials for pharmaceutical applications. Cellulose fibers have huge potential as a carrier for drug delivery in terms of patentability, scalability, and industrial application because of several characteristics properties and currently most of the researchers only focus on application in the field of material science and electronics. Outcomes of this review help to understand the concept of porous material used in drug delivery, explore natural cellulose fibers as a promising carrier and also needful for the researcher working in the field of pharmaceutical sciences.
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