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U.S. Anti-Doping Agency (USADA)

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Screen Your Dietary Supplements

Popular Prohibited Substances Commonly Contained in Dietary Supplements

screen-supplementsIf you’re thinking about using dietary supplements, it’s important to remember that supplements are regulated in a post-market manner. This means that the Food and Drug Administration (FDA) does not analyze the safety, efficacy, or label accuracy of supplements before they are sold to consumers.

No organization, including USADA, can guarantee the contents or safety of any dietary supplements. Consequently, athletes always assume some risk of testing positive for prohibited substances when they use supplements. As always, athletes have strict liability for substances they ingest, including those consumed through dietary supplements.

Athletes also need to be aware that manufacturers may misidentify prohibited substances on labels, or they may omit prohibited substances from labels altogether. In general, athletes simply cannot depend on the accuracy of supplement labels, so the only way to assume no risk of testing positive from a supplement is to not use the supplement in the first place.

For athletes who want to reduce their risk of testing positive from a supplement, USADA compiled the following list of prohibited substances that are commonly included in supplement products. It is important to note, however, that this list is not exhaustive. Just because the product you are screening doesn’t list any of the following substances, does not mean that it is safe or that it will not cause a positive drug test.

More information about supplements and their risks can be found on Supplement 411 and on the High Risk List.

IngredientAnti-Doping Status
1,3-DimethylamylamineProhibited In-Competition
1,3-DimethylbutylamineProhibited In-Competition
1,3-DimethylpentylamineProhibited In-Competition
1,3-DMAAProhibited In-Competition
19-NorAndrost-4ene-3b-ol, 17-oneProhibited at all times
19-NorandrostenedioneProhibited at all times
1-amino-2-phenylpropaneProhibited In-Competition
1-androProhibited at all times
1-androstendiolProhibited at all times
1-androstenedioneProhibited at all times
1-phenyl-1-methyl-2-aminoethaneProhibited In-Competition
2- phenyl-1-propanamineProhibited In-Competition
2,17a-dimethyl-17b-hydroxy-5a-androst-2-eneProhibited at all times
2a,3a-Epithio-17a-Methyl-5a-Androstan-17b-olProhibited at all times
2-Amino-4-methylhexaneProhibited In-Competition
2-Amino-4-Methylpentane CitrateProhibited In-Competition
2-Hexanamine, 4-methyl- (9CI)Prohibited In-Competition
2-phenylpropan-1-amineProhibited In-Competition
2-phenylpropylamineProhibited In-Competition
3b-hydroxy-androstane-3b-ol,17-oneProhibited at all times
4-Amino Methylpentane CitrateProhibited In-Competition
4-Amino-2-Methylpentane CitrateProhibited In-Competition
4-AMP CitrateProhibited In-Competition
4-Chloro-17a-Methyl-Androst-1,4-diene-3-17b-diolProhibited at all times
4-Estrene-3,17-DioneProhibited at all times
4-HMPProhibited In-Competition
4-Hydroxy-N-MethylphenethylamineProhibited In-Competition
4-Methyl-2-hexanamineProhibited In-Competition
4-Methyl-2-hexylamineProhibited In-Competition
4-Methyl-2-PentanaminProhibited In-Competition
53-43-0Prohibited at all times
7-Keto DHEAProhibited at all times
Acacia Rigidula (products that list this herbal might contain synthetic BMPEA)Prohibited In-Competition
Alpha-benzylethylamineProhibited In-Competition
AMPProhibited In-Competition
AMP CitrateProhibited In-Competition
AmperallProhibited In-Competition
AnamorelinProhibited at all times
AndrostenoloneProhibited at all times
ArimstaneProhibited at all times
beta-methylbenzeneethanamineProhibited In-Competition
Beta-methylphenethylamineProhibited In-Competition
beta-phenylpropylamineProhibited In-Competition
BoldioneProhibited at all times
CapromorelinProhibited at all times
DehydroepiandrosteroneProhibited at all times
DehydroisoandrosteroneProhibited at all times
DHEAProhibited at all times
DimethylamylamineProhibited In-Competition
DMAAProhibited In-Competition
DMBAProhibited In-Competition
DrolbanProhibited at all times
DromostanoloneProhibited at all times
DrostanoloneProhibited at all times
DurabolinProhibited at all times
DymethazineProhibited at all times
EGFProhibited at all times
EnobosarmProhibited at all times
EpiandrosteroneProhibited at all times
EpistaneProhibited at all times
Estra-4,9-diene-3,17-dioneProhibited at all times
ExamorelinProhibited at all times
Fibroblast-GFProhibited at all times
GeranamineProhibited In-Competition
GHRP-2Prohibited at all times
GHRP-6Prohibited at all times
GTx-024Prohibited at all times
HalovarProhibited at all times
HexadroneProhibited at all times
HydroxyephrineProhibited In-Competition
IbutamorenProhibited at all times
IGF-1Prohibited at all times
IGF1AProhibited at all times
Insulin-like Growth FactorProhibited at all times
IpamorelinProhibited at all times
MacimorelinProhibited at all times
MethaloneProhibited at all times
MethasteroneProhibited at all times
Methyl-4-TyramineProhibited In-Competition
MethylhexanamineProhibited In-Competition
MethylhexanenamineProhibited In-Competition
MethylsynephrineProhibited In-Competition
MGFProhibited at all times
MK-2866Prohibited at all times
MK-677Prohibited at all times
N-(4-cyano-3-(trifluoromethyl)phenyl)-3-(4-cyanophenoxy)-2-hydroxy-2-methylpropanamideProhibited at all times
NandroloneProhibited at all times
N-Methyl-2-PhenylethanamineProhibited In-Competition
N-Methyl-B-PhenethylamineProhibited In-Competition
N-MethylphenethylamineProhibited In-Competition
NMTProhibited In-Competition
OctopamineProhibited In-Competition
OstarineProhibited at all times
OxilofrineProhibited In-Competition
OxyephrineProhibited In-Competition
PDGFProhibited at all times
PralmorelinProhibited at all times
PrasteroneProhibited at all times
R-beta-methylphenethylamineProhibited In-Competition
R-beta-methylphenethylamine HClProhibited In-Competition
RelamorelinProhibited at all times
SM-130,686Prohibited at all times
Somatomedin CProhibited at all times
TabimorelinProhibited at all times
TGF B-2Prohibited at all times
?MePEAProhibited In-Competition
?-methylphenylethylamineProhibited In-Competition
N-MethyltyramineProhibited In-Competition
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