The Nail Nutrition Supplement market is further classified by Types, encompassing Biotin-Based Supplements and Multivitamin Formulations. Biotin-based products constitute the largest segment (~55% of total market value), driven by their efficacy in improving nail hardness and reducing splitting. They are particularly popular among individuals with biotin deficiency or those seeking rapid results. Multivitamin formulations, while smaller (~30% of the market), offer broad-spectrum benefits by combining vitamins (e.g., B-complex, C, D), minerals (e.g., iron, calcium), and amino acids. These are favored for holistic nail health and are often marketed to aging populations or those with systemic nutritional gaps. Other types, such as collagen peptides or herbal supplements, represent emerging categories (~15%), appealing to consumers seeking natural alternatives. The market taxonomy of types highlights the balance between targeted solutions (biotin) and comprehensive care (multivitamins), shaping product development and competitive strategies.