This contributed book is focused on the use of nanomaterials in biomedical applications, particularly in the development of pharmaceuticals, nutraceuticals, and cosmeceuticals. It covers a wide range of nanomaterials, including polymers, metals, and carbon-based materials, and discusses their incorporation into polymeric biocomposites to create materials with unique properties. The book overviews the various applications of these nanocomposites, including tissue engineering, drug delivery, biosensors, and packaging. It is a useful resource for research scholars, graduate students, academics, and pharmaceutical companies working in the fields of material science and nanotechnology.