 Nanoselluloses, NCs, are promising nanomaterials with diverse applications in the biomedical field. Recent developments in this area include the use of CNCs, CNFs, and BNCs in wound dressing, tissue engineering, and drug delivery. The focus of this review is on the most recent advancements in these areas over the past three years. Top-down and bottom-up approaches to the production of NCs are described, along with their unique characteristics such as mechanical and biological properties. Challenges, limitations, and future research directions are also discussed. This article was authored by Alina Gailen, Roluka Nikiu, Diana E. Sayalaku and others.