The global surge in diabetes prevalence necessitates continuous advancements in glucose detection technologies. Traditional methods like blood glucose monitoring, which is effective, pose inconveniences and invasiveness for patients, driving the exploration of innovative biosensors. The challenging nature of glucose detection in complex biological environments emphasizes the importance of developing a reliable and accurate detection system. This work aimed to revolutionize glucose detection by leveraging millimeter-wave (mmWave) biosensors, capitalizing on their unique advantages for improved accuracy and non-invasiveness to enable real-time and continuous glucose monitoring, offering a more convenient and accessible solution for individuals managing diabetes. The primary goal was to fill the existing gap in glucose monitoring methods by introducing a technology capable of overcoming the limitations of traditional approaches where the sensor operates near the target tissues, ensuring precise measurements without invasive procedures or susceptibility to environmental interference. The approach involved integrating mmWave technology into biosensor applications, utilizing experimental methods and theoretical models. The mmWave captured minute changes in dielectric properties associated with varying glucose concentrations. The main results revealed the efficacy of the mmWave biosensor in accurately detecting variations in glucose levels and demonstrated enhanced sensitivity, showcasing its potential for the development of a portable and wearable biosensor system in real-world applications, thus addressing the need for continuous glucose monitoring in daily life. The results emphasize the potential of this technology to revolutionize diabetes management by providing timely and precise glucose measurements in near-field conditions, demonstrating promising levels of accuracy and sensitivity. The near-field operation of the mmWave biosensor presents distinct advantages, including reduced susceptibility to environmental interference, enhanced spatial resolution, and the potential for integration into wearable devices. This work envisions a future where mmWave biosensors transform glucose monitoring, improving life for individuals managing diabetes with accessibility.