Abstract With the exacerbation of global population aging, age‐related neurodegenerative disorders have been posing an increasing public health concern. l ‐α‐Glycerylphosphorylcholine ( l ‐α‐GPC) has demonstrated significant therapeutic potential for mental health‐related disorders and possesses promising market prospects. Recently, l ‐α‐GPC has been successively approved as a new food resource in Canada (2023) and in China (2024). These policies pointed out the recognized safety and utility of l ‐α‐GPC. The utilization of l ‐α‐GPC in dietary supplements and health foods could be a convenient option for early intervention strategies to potentially delay or mitigate the progression of neurodegenerative disorders. Additionally, other unique nutritional benefits of l ‐α‐GPC have been highlighted, further expanding its application in food industry. Encouraged by the policy incentives, there is likely to be a new upsurge in the research interest surrounding l ‐α‐GPC. To fully capitalize on these emerging opportunities, we present a comprehensive review of l ‐α‐GPC. The chemical properties, pharmacological characteristics, safety assessments, and preparation methods of l ‐α‐GPC were summarized. A brief outlook on the future perspectives and unsolved challenges was also proposed.