Diet plays a crucial role in cardiometabolic health, influencing both the composition of the microbiome as well as the development of related diseases. The gut microbiome, in particular, has been found to contribute to conditions such as hypertension, obesity, and diabetes through its impact on inflammation, insulin sensitivity, and blood lipid levels. A healthy gut microbiome is one that promotes long-term stability, resists infection, and helps the host maintain metabolic and immune balance.