Nano-biosensors are rising as a promising technology for ensuring the protection and high-quality of meals merchandise. They offer excessive sensitivity, selectivity, and speedy reaction, making them ideal for detecting contaminants, pathogens, and first-rate signs in meals samples. This up to date evaluate affords a complete evaluation of recent improvements in nano-biosensor technology for meals great and safety warranty. The evaluate covers the essential standards and kinds of nano-biosensors typically utilized in meals evaluation, exploring various nanomaterials and their unique homes and sensing talents. It also discusses mixing nanomaterials with biological reputation elements, antibodies, enzymes, and DNA aptamers to enhance sensor performance. The software of nano-biosensors in detecting chemical contaminants, which includes pesticides, heavy metals, and mycotoxins, is drastically protected. Nanomaterials allow ultrasensitive detection of these contaminants, even at trace stages, ensuring the protection and compliance of meal products. The review also explores the usage of nano-biosensors for rapid identification and quantification of foodborne pathogens, such as microorganisms, viruses, and parasites, allowing on-web page pathogen detection and timely interventions to prevent outbreaks. Additionally, the review highlights the tracking of meals satisfactory signs of using nano-biosensors, including freshness, spoilage, and dietary composition. Accurate assessment of those parameters offers treasured information to manage and predict shelf-life. Overall, the advancements in nano-biosensor generation maintain high-quality promise for ensuring the integrity of meals products, defensive public fitness, and assembly regulatory standards.