oh christ, i meant banned stimulants smart arse, of course caffiene isn’t banned (unless very high dosage) but take a look at this list of wada on page 7
https://www.wada-ama.org/rtecontent/document/2010_Prohibited_List_FINAL_EN_Web.pdf
S6. STIMULANTS
All stimulants (including both optical isomers where relevant) are prohibited,
except imidazole derivatives for topical use and those stimulants included in the
2010 Monitoring Program*.
Stimulants include:
a: Non-Specified Stimulants:
Adrafinil; amfepramone; amiphenazole; amphetamine; amphetaminil;
benfluorex; benzphetamine; benzylpiperazine; bromantan; clobenzorex;
cocaine; cropropamide; crotetamide; dimethylamphetamine;
etilamphetamine; famprofazone; fencamine; fenetylline; fenfluramine;
fenproporex; furfenorex; mefenorex; mephentermine; mesocarb;
methamphetamine(d-); p-methylamphetamine;
methylenedioxyamphetamine; methylenedioxymethamphetamine;
methylhexaneamine (dimethylpentylamine); modafinil; norfenfluramine;
phendimetrazine; phenmetrazine; phentermine; 4-phenylpiracetam
(carphedon); prenylamine; prolintane.
A stimulant not expressly listed in this section is a Specified Substance.
b: Specified Stimulants (examples):
Adrenaline**; cathine***; ephedrine****; etamivan; etilefrine; fenbutrazate;
fencamfamin; heptaminol; isometheptene; levmetamphetamine;
meclofenoxate; methylephedrine****; methylphenidate; nikethamide;
norfenefrine; octopamine; oxilofrine; parahydroxyamphetamine;
pemoline; pentetrazol; phenpromethamine; propylhexedrine;
pseudoephedrine*****; selegiline; sibutramine; strychnine;
tuaminoheptane and other substances with a similar chemical structure or
similar biological effect(s).