β-Methylphenethylamine is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the production of various pharmaceuticals and bioactive compounds. Its structure makes it valuable for the development of drugs targeting the central nervous system, particularly those related to mood regulation and cognitive enhancement. Additionally, it is employed in research settings to study neurotransmitter activity and receptor interactions, aiding in the understanding of neurological disorders. In some cases, it is also explored for its potential use in the synthesis of performance-enhancing substances, though this application is highly regulated and subject to legal restrictions.