Comprehensive Review Status: Tablets Coating Compositions & Advantage

Tablet coating is a vital process in pharmaceutical manufacturing that enhances the functionality, stability, and patient acceptability of oral dosage forms. Coatings can be classified into sugar coating, film coating, enteric coating, and functional types, each designed to fulfill specific therapeutic and aesthetic objectives. Composed of polymers, plasticizers, colorants, and opacifiers, coating formulations are carefully optimized to provide durability, uniformity, and performance. Advantages of coatings include protection of active ingredients from environmental factors, taste masking, improved swallowability, aesthetic enhancement, and enabling controlled or targeted drug release. This review delves into the principles, composition, and benefits of tablet coatings, emphasizing their critical role in ensuring patient compliance, product stability, and therapeutic efficacy.