A Comprehensive Review on Formulation and Evaluation of Herbal Tablet

Many health-conscious consumers are opting to use herbal tablets as a dosage form to deliver natural therapeutic agents, which are easy to carry, stable and allow adherence. This review is devoted to the formulation and evaluation of herbal tablets, including the place and challenges of practices and progress in the branches. Some factors related to formulation are taken into consideration, i.e.: the aim of this herbal ingredient, how active fractions are standardized, what role excipients play: binders, disintegrating agents, lubricants, and fillers in tablet development. Another point raised in the article is that of pre-screening which is an important component in evaluating the physical, chemical and biological properties of the plant materials in question, their interaction with other materials, including the assessment of certain problems such as moisture absorbing tendencies and shelf life. Several processes of manufacturing, such as direct compression, wet granulation, dry granulation are described, elaborating on their appropriateness for making herbal tablets. Quality parameters such as hardness, friability, disintegration time, dissolution studies and microbial load testing among others have been included to ensure quality, safety and efficacy of herbal tablets manufactured. This review is helpful for those researchers and practitioners who would like to produce quality, effective, and appealing herbal tablet formulation standards.