Metabolomics offers valuable insights into cellular processes, health, and environmental impacts. This guide introduces key topics to help beginners build a foundation in the field. Topics include precision medicine for tailored healthcare, epidemiology to understand population health, and lipidomics focused on lipid roles in biology. You’ll also find resources on exposome and microbiome influences, utilizing isotopic tracers and NMR, and essential methods in multivariate statistical analysis and experimental design. This collection aims to equip you with the basics to explore metabolomics confidently.