Tryptamine

Tryptamine is a **monoamine alkaloid** naturally produced via the decarboxylation of the amino acid tryptophan in animals, plants, fungi, and microbes[1][3][4]. Structurally, it is an indole linked to an aminoethyl side chain. As an endogenous trace amine, tryptamine is found at very low concentrations in the mammalian brain, where it acts as a **neuromodulator** and is a precursor for several key neurotransmitters and hormones, including serotonin and melatonin[3][4]. Tryptamine can activate certain serotonin (5-HT) receptors and trace amine-associated receptors, impacting serotonergic, dopaminergic, and glutamatergic systems[3]. It also plays a role in gastrointestinal physiology by modulating gut motility through 5-HT₄ receptor activation in the intestinal tract[3][4]. Tryptamine itself is not recognized as a direct **therapeutic target** (such as a receptor, enzyme, or transporter), but the large family of **tryptamine derivatives**—including many neurotransmitters (serotonin) and psychoactive compounds (psilocybin, DMT, sumatriptan)—serve as important drug targets and have a wide range of medical and psychoactive effects[6][1]. Because *tryptamine* is a **molecule/precursor**, not a specific therapeutic target/receptor/enzyme, requests to treat it in the same manner as a drug target or receptor are **inaccurate**. It should not be listed as a drug target, but its role as a precursor and its derivatives’ significance is substantial in pharmacology and neuroscience[1][3][6].

Other names

2-(1H-Indol-3-yl)ethanamine1H-Indole-3-ethanamine3-(2-aminoethyl)indoleTrpN

Not applicable for tryptamine itself as a drug; for tryptamine-derived drugs: serotonin receptor (5-HT receptor) agonism/activation[6][1]