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Compounds / Which Peptides Are Banned In Sport?

17 of the 42 are named on WADA's Prohibited List

Each compound below was checked against WADA's own Prohibited List explorer on 2026-08-05, and the category shown is the one the List places it in. This page reports what a published document says. It is not eligibility advice, and it cannot tell you whether a compound is allowed.

That second point is the important one, and most sources get it wrong. A compound missing from this page has not been cleared. WADA's S0 category covers, in its own words, “any pharmacological substance which is not addressed by any of the subsequent sections of the List and with no current approval by any governmental regulatory health authority for human therapeutic use” — so a substance can be absent from every search result and still be prohibited at all times, precisely because it is unapproved.

We publish only what we can source. Deciding whether S0 catches a given compound requires knowing whether any regulator anywhere has approved it, and this site tracks the FDA. For the other 25 compounds we track, we do not know, and saying so is the honest answer.

The categories below, in WADA's own wording: S0 non-approved substances · S2 peptide hormones, growth factors, related substances and mimetics · S4 hormone and metabolic modulators · S6 stimulants. Everything in S0 is a “Specified Substance”, which affects how a violation is sanctioned.

IGF-1 LR3
Long R3 IGF-1 · LongR3
A modified IGF-1 analogue developed as a cell-culture reagent, not a medicine. No qualifying registered human trial of the analogue itself in the registries we track.
Growth factors
At all times
S2
WADA category
Hexarelin
Examorelin
A ghrelin-receptor agonist sold for muscle growth and anti-aging. No qualifying registered human trial in the registries we track.
GH releasing factors
At all times
S2
WADA category
GHRP-6
Growth Hormone Releasing Peptide-6
A staple of growth-hormone peptide stacks sold online. No qualifying registered human trial in the registries we track.
GH releasing factors
At all times
S2
WADA category
PEG-MGF
Mechano Growth Factor · IGF-1Ec · MGF
A pegylated fragment of an IGF-1 splice variant. No qualifying registered human trial in the registries we track — every trial a naive search returns is a different molecule.
Growth factors
At all times
S2
WADA category
Sermorelin
GHRH (1-29)
Real research history, mostly in liver and metabolic disease. The anti-aging positioning is a marketing layer on top of that.
GH releasing factors
At all times
S2
WADA category
GHRP-2
Growth Hormone Releasing Peptide-2 · Pralmorelin
Sold alongside GHRP-6 in nearly identical stacks. No qualifying registered human trial in the registries we track.
GH releasing factors
At all times
S2
WADA category
TB-500
Thymosin Beta-4 fragment
The one trial registered under this name is a safety and dose-escalation study in cardiovascular disease. No registered trial lists the injury recovery it is sold for as a studied condition.
Growth factors
At all times
S2
WADA category
CJC-1295
Modified GRF (1-29) · DAC:GRF
One human trial ever registered, and it was stopped early. The registry does not say why.
GH releasing factors
At all times
S2
WADA category
MOTS-c
Mitochondrial ORF of the 12S rRNA type-c
A mitochondrial-derived peptide studied in metabolic and kidney disease rather than the endurance and longevity uses it is sold for.
Metabolic modulators
At all times
S4
WADA category
Ipamorelin
Growth hormone secretagogue
Both completed human trials studied bowel movement after surgery. Neither studied muscle, fat, or aging.
GH releasing factors
At all times
S2
WADA category
BPC-157
Body Protection Compound 157 · Pentadecapeptide
Marketed for four uses. One registered trial studies muscle injury and is still recruiting; the other was a safety study in healthy volunteers.
Named in the class text
At all times
S0
WADA category
AOD-9604
Anti-Obesity Drug 9604 · HGH fragment 176-191
A growth-hormone fragment sold for fat loss. Its obesity programme failed and was terminated in 2007; the three registered trials under its later name study pain.
GH analogues & fragments
At all times
S2
WADA category
Tesofensine
NS 2330
A triple monoamine reuptake inhibitor rather than a peptide, despite being sold in peptide catalogues.
Stimulants
In-competition only
S6
WADA category
Ibutamoren
MK-677 · MK-0677 · LUM-201 · Nutrobal
A growth-hormone secretagogue, widely mislabelled as a SARM. Studied mostly for growth hormone deficiency rather than the uses it is sold for.
GH releasing factors
At all times
S2
WADA category
Tesamorelin
Egrifta
Genuinely FDA-approved — for one specific condition in people with HIV. That approval does not extend to the general anti-aging use it's sold for.
GH releasing factors
At all times
S2
WADA category
Kisspeptin-10
Kisspeptin 112-121 · Metastin 45-54 · KP-10
A reproductive-axis peptide with real academic trials. It is also on FDA’s active list of substances that may present significant compounding risks.
Peptide hormones
At all times
S2
WADA category
Thymosin β4
Tβ4 · TB4 full protein
The full protein, distinct from the TB-500 fragment sold online. Real research programme — mostly eye drops and wound healing.
Growth factors
At all times
S2
WADA category
—Read this
Check with your anti-doping organisation, not with us
WADA's own guidance is to confirm status with your anti-doping organisation before using any substance. The List is republished each October and takes effect on 1 January, so a status can change between then and when you read this. Everything above was checked on 2026-08-05 against WADA's Prohibited List — open it and check for yourself.

See all 42 compounds →