Anatomical Therapeutic Chemical • N06BC01 • caffeine citrate

A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excluding sex hormones and insulins

J Antiinfectives for systemic use

L Antineoplastic and immunomodulating agents

M Musculo-skeletal system

N Nervous system

N01 Anesthetics

N02 Analgesics

N03 Antiepileptics

N04 Anti-parkinson drugs

N05 Psycholeptics

N06 Psychoanaleptics

N06A Antidepressants

N06B Psychostimulants, agents used for adhd and nootropics

N06BA Centrally acting sympathomimetics

N06BC Xanthine derivatives

N06BC01 caffeine citrate

N06BX Other psychostimulants and nootropics

N06C Psycholeptics and psychoanaleptics in combination

N06D Anti-dementia drugs

N07 Other nervous system drugs

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various