Precision nutrition is a data-driven approach to diet and nutrition, and is based on one’s biology, lifestyle, and health needs. It relies on information about one’s metabolism, genetic makeup, gut microbiome analysis, physical activity, and biomarkers. All these help in designing exact nourishment for one’s well-being and disease prevention. To compare, personalized nutrition is based largely on one’s lifestyle, preferences, and health conditions, and is not always supported by scientific data. Since precision nutrition requires data analytics, advancements in artificial intelligence enhance its effectiveness for meal planning, food tracking and dietary assessments. AI-driven platforms can analyze biomarkers, genetic data, and metabolic responses to create highly customized nutrition plans. At the consumer level, one can appreciate the ability to make quick informed decisions about diet, based on wearable smart devices that can track glucose levels, metabolism, and nutrient absorption...