Melatonin: Difference between revisions
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{{SummarySheet}} | {{SummarySheet}} | ||
{{SubstanceBox/Melatonin}} | {{SubstanceBox/Melatonin}} | ||
'''N-Acetyl-5-methoxytryptamine''' (also known as '''melatonin'''<ref>Melatonin | http://www.sleepdex.org/melatonin.htm</ref>) is a hormone of the [[chemical class::tryptamine]] class. It is found in animals, plants, fungi, and bacteria. In animals, it functions as a hormone that anticipates the daily onset of darkness;<ref>Melatonin. | https://www.ncbi.nlm.nih.gov/pubmed/16219483</ref> it may have different functions in other organisms. | |||
'''N-Acetyl-5-methoxytryptamine''' ( | |||
Melatonin is active and can be taken [[sublingual|sublingually]] and [[buccal|buccaly]] by placing it into one's mouth and allowing it to absorb over a period of 15-25 minutes. It is less active when taken [[oral|orally]]. | Melatonin is active and can be taken [[sublingual|sublingually]] and [[buccal|buccaly]] by placing it into one's mouth and allowing it to absorb over a period of 15-25 minutes. It is less active when taken [[oral|orally]]. | ||
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Melatonin, being a tryptamine, shares many structural properties with [[psychedelic]] substances. However, it lacks their associated psychedelic effects.<ref>Tihkal MELATONIN | https://erowid.org/library/books_online/tihkal/tihkal35.shtml</ref> Where many tryptamines have a group bonded to the ethylamine, melatonin has an acetyl group. | Melatonin, being a tryptamine, shares many structural properties with [[psychedelic]] substances. However, it lacks their associated psychedelic effects.<ref>Tihkal MELATONIN | https://erowid.org/library/books_online/tihkal/tihkal35.shtml</ref> Where many tryptamines have a group bonded to the ethylamine, melatonin has an acetyl group. | ||
==Pharmacology== | ==Pharmacology== | ||
{{pharmacology}} | {{pharmacology}} | ||
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The median lethal dose of melatonin at which 50% of participants die ([[LD50|LD<sub>50</sub>]]) for human beings has never been reached in any setting. | The median lethal dose of melatonin at which 50% of participants die ([[LD50|LD<sub>50</sub>]]) for human beings has never been reached in any setting. | ||
=== | ===Dependence and abuse potential=== | ||
Melatonin is [[Addiction potential::not habit-forming]]. It is possible, however, to develop a mild physical dependency if this compound is used on a nightly basis for a prolonged period. This simply means that if one suddenly stops their usage of the substance without tapering, they may have trouble sleeping for a couple of days afterward. | Melatonin is [[Addiction potential::not habit-forming]]. It is possible, however, to develop a mild physical dependency if this compound is used on a nightly basis for a prolonged period. This simply means that if one suddenly stops their usage of the substance without tapering, they may have trouble sleeping for a couple of days afterward. | ||
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==Legal status== | ==Legal status== | ||
*'''Canada:''' Melatonin is freely available to purchase as a dietary supplement and can be found at most pharmacies and grocery stores across the country. | *'''Canada:''' Melatonin is freely available to purchase as a dietary supplement and can be found at most pharmacies and grocery stores across the country. | ||
*'''Germany:''' Melatonin is a prescription medicine, according to Anlage 1 AMVV.<ref>https://www.gesetze-im-internet.de/amvv/anlage_1.html</ref> | *'''Germany:''' Melatonin is a prescription medicine, according to Anlage 1 AMVV.<ref>https://www.gesetze-im-internet.de/amvv/anlage_1.html</ref> | ||
*'''India:''' Melatonin is legal to purchase as a dietary supplement.{{citation needed}} | *'''India:''' Melatonin is legal to purchase as a dietary supplement.{{citation needed}} | ||
*'''Italy:''' Melatonin is legal to purchase as a dietary supplement.{{citation needed}} | |||
*'''Switzerland:''' Melatonin can only be obtained with a medical prescription. <ref>Circadin® 2 mg Retardtabletten sind in Apotheken nur gegen ärztliche Verschreibung erhältlich. | https://compendium.ch/mpub/pnr/1141302/html/de</ref> | |||
*'''United Kingdom:''' Melatonin is a licensed prescription-only medicine (POM) in the United Kingdom.{{citation needed}} It is not a criminal offense to possess this medicine without a valid prescription. This medicine can legally be obtained with a valid prescription or through legal import of the medicine for personal use as outlined in Section 13 of the Medicines Act 1968.<ref>{{cite web |url = http://www.legislation.gov.uk/ukpga/1968/67/section/13|title = Medicines Act 1968 Section 13}}</ref> | *'''United Kingdom:''' Melatonin is a licensed prescription-only medicine (POM) in the United Kingdom.{{citation needed}} It is not a criminal offense to possess this medicine without a valid prescription. This medicine can legally be obtained with a valid prescription or through legal import of the medicine for personal use as outlined in Section 13 of the Medicines Act 1968.<ref>{{cite web |url = http://www.legislation.gov.uk/ukpga/1968/67/section/13|title = Medicines Act 1968 Section 13}}</ref> | ||
*'''United States:''' Melatonin is listed as an uncontrolled substance and is legal to possess and distribute, and is freely available to purchase as a dietary supplement. | *'''United States:''' Melatonin is listed as an uncontrolled substance and is legal to possess and distribute, and is freely available to purchase as a dietary supplement. | ||
==See also== | ==See also== | ||
*[[Responsible use]] | *[[Responsible use]] | ||
*[[Oneirogen]] | |||
*[[Neurotransmitter]] | *[[Neurotransmitter]] | ||
*[[Hormone]] | *[[Hormone]] | ||
*[[Tryptamine]] | |||
==External links== | ==External links== | ||
*[https://en.wikipedia.org/wiki/Melatonin Melatonin (Wikipedia)] | *[https://en.wikipedia.org/wiki/Melatonin Melatonin (Wikipedia)] | ||
*[https://erowid.org/smarts/melatonin/ Melatonin (Erowid Vault)] | *[https://erowid.org/smarts/melatonin/ Melatonin (Erowid Vault)] | ||
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[[Category:Psychoactive substance]] | [[Category:Psychoactive substance]] | ||
[[Category:Tryptamine]] | [[Category:Tryptamine]] | ||
[[Category:Oneirogen]] | |||
[[Category:Neurotransmitter]] | [[Category:Neurotransmitter]] |