Acetylcarnitine: Difference between revisions

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{{Short description|A naturally occurring compound involved in metabolism}}
{{DISPLAYTITLE:Acetylcarnitine}}
{{Use dmy dates|date=October 2023}}


'''Acetylcarnitine''' (also known as '''L-acetylcarnitine''' or '''ALCAR''') is an [[acetylated]] form of [[carnitine]], a compound that is naturally produced in the body. It plays a crucial role in the [[metabolism]] of [[fatty acids]] and the production of [[energy]] in the form of [[adenosine triphosphate]] (ATP).
== Overview ==
[[File:Acetylcarnitine.svg|thumb|right|Chemical structure of acetylcarnitine]]
'''Acetylcarnitine''', also known as '''acetyl-L-carnitine''' (ALCAR), is an [[acetylated]] form of [[L-carnitine]], a naturally occurring [[amino acid]] derivative. It is involved in the metabolism of [[fatty acids]] and plays a crucial role in the production of [[energy]] within the [[mitochondria]] of [[cells]].


==Biochemistry==
== Biochemical Role ==
Acetylcarnitine is synthesized in the [[mitochondria]] from [[carnitine]] and [[acetyl-CoA]] by the enzyme [[carnitine acetyltransferase]]. It serves as a carrier of acetyl groups across the mitochondrial membrane, facilitating the transport of fatty acids into the mitochondria for [[beta-oxidation]]. This process is essential for the generation of energy, particularly in [[muscle]] and [[heart]] tissues.
Acetylcarnitine facilitates the transport of [[fatty acids]] into the [[mitochondria]], where they undergo [[beta-oxidation]] to produce [[adenosine triphosphate]] (ATP), the primary energy currency of the cell. This process is essential for the generation of energy, especially in [[muscle]] and [[heart]] tissues.


==Functions==
== Mechanism of Action ==
Acetylcarnitine has several important functions in the body:
Acetylcarnitine acts as a carrier molecule, binding to fatty acids to form [[acyl-carnitine]] complexes. These complexes are then transported across the mitochondrial membrane by the [[carnitine shuttle]], a system that includes [[carnitine palmitoyltransferase I]] (CPT I), [[carnitine-acylcarnitine translocase]], and [[carnitine palmitoyltransferase II]] (CPT II).


* '''Energy Production''': It aids in the transport of fatty acids into the mitochondria, where they are oxidized to produce ATP.
== Clinical Significance ==
* '''Neuroprotection''': Acetylcarnitine has been studied for its potential neuroprotective effects, possibly due to its ability to cross the [[blood-brain barrier]] and its involvement in [[acetylcholine]] synthesis.
Acetylcarnitine has been studied for its potential therapeutic effects in various conditions, including [[neurological disorders]], [[cardiovascular diseases]], and [[metabolic syndromes]]. It is believed to have [[neuroprotective]] properties and may improve [[cognitive function]] in certain populations.
* '''Antioxidant Properties''': It may help reduce oxidative stress by scavenging [[free radicals]] and supporting the function of [[antioxidant]] enzymes.


==Clinical Uses==
== Supplementation ==
Acetylcarnitine is used as a dietary supplement and has been investigated for various clinical applications, including:
Acetylcarnitine is available as a dietary supplement and is often used to support [[energy metabolism]], enhance [[mental clarity]], and promote [[fat loss]]. It is considered safe for most individuals when taken at recommended dosages.


* '''Cognitive Function''': It is studied for its potential benefits in improving cognitive function and memory, particularly in [[Alzheimer's disease]] and other forms of [[dementia]].
== Related Compounds ==
* '''Depression''': Some studies suggest that acetylcarnitine may have antidepressant effects.
* [[L-carnitine]]
* '''Peripheral Neuropathy''': It is used in the management of peripheral neuropathy, especially in patients with [[diabetes mellitus]].
* [[Propionyl-L-carnitine]]
* [[Carnitine palmitoyltransferase]]


==Safety and Side Effects==
== Related Pages ==
Acetylcarnitine is generally considered safe when used as directed. However, some individuals may experience side effects such as gastrointestinal discomfort, nausea, or restlessness. It is important to consult with a healthcare provider before starting any new supplement regimen.
 
==Related pages==
* [[Carnitine]]
* [[Fatty acid metabolism]]
* [[Fatty acid metabolism]]
* [[Mitochondria]]
* [[Mitochondrial function]]
* [[Beta-oxidation]]
* [[Energy metabolism]]
 
==Gallery==
<gallery>
File:Acetylcarnitine.svg|Chemical structure of acetylcarnitine
</gallery>


[[Category:Biochemistry]]
[[Category:Biochemistry]]
[[Category:Nutrition]]
[[Category:Metabolism]]
[[Category:Metabolism]]
[[Category:Supplements]]

Latest revision as of 11:35, 15 February 2025


Overview[edit]

Chemical structure of acetylcarnitine

Acetylcarnitine, also known as acetyl-L-carnitine (ALCAR), is an acetylated form of L-carnitine, a naturally occurring amino acid derivative. It is involved in the metabolism of fatty acids and plays a crucial role in the production of energy within the mitochondria of cells.

Biochemical Role[edit]

Acetylcarnitine facilitates the transport of fatty acids into the mitochondria, where they undergo beta-oxidation to produce adenosine triphosphate (ATP), the primary energy currency of the cell. This process is essential for the generation of energy, especially in muscle and heart tissues.

Mechanism of Action[edit]

Acetylcarnitine acts as a carrier molecule, binding to fatty acids to form acyl-carnitine complexes. These complexes are then transported across the mitochondrial membrane by the carnitine shuttle, a system that includes carnitine palmitoyltransferase I (CPT I), carnitine-acylcarnitine translocase, and carnitine palmitoyltransferase II (CPT II).

Clinical Significance[edit]

Acetylcarnitine has been studied for its potential therapeutic effects in various conditions, including neurological disorders, cardiovascular diseases, and metabolic syndromes. It is believed to have neuroprotective properties and may improve cognitive function in certain populations.

Supplementation[edit]

Acetylcarnitine is available as a dietary supplement and is often used to support energy metabolism, enhance mental clarity, and promote fat loss. It is considered safe for most individuals when taken at recommended dosages.

Related Compounds[edit]

Related Pages[edit]