Acetylcarnitine
Overview
L-carnitine is a quaternary ammonium compound (C7H15NO3) synthesized from lysine and methionine, essential for transporting long-chain fatty acids into mitochondria for beta-oxidation. Used for cardiovascular support, exercise performance, and cognitive function. A 2024 review raised safety concerns: gut microbiota convert L-carnitine to TMAO, linked to atherosclerosis risk. Generally well tolerated at standard doses; GI side effects at higher doses. Safety at high doses "remains an issue for scientific investigation."
Dosage
500 mg · Any time · Can take on empty stomach
Key Interactions
11 verified interactions found
L-Carnitin und Acetylcarnitin beeinflussen gegenseitig ihre renale Ausscheidung. Bei kombinierter Einnahme können Plasmaspiegel beider Carnitin-Formen verändert sein.
L-Carnitin und Acetyl-L-Carnitin werden über dieselben renalen Transporter ausgeschieden und können sich gegenseitig beeinflussen. Eine der beiden Formen wählen oder Gesamtdosis auf ≤2g/Tag begrenzen.
View details →Alpha-lipoic acid and acetylcarnitine work together to support mitochondrial function and improve brain health by reducing cellular damage.
Alpha-Liponsäure und Acetyl-L-Carnitin zeigen synergistische Effekte auf die mitochondriale Funktion. Kombination in Standarddosen (ALA ≤600mg, ALCAR ≤2g) ist unkritisch und kann sinnvoll sein.
View details →Both enhance cholinergic signaling; Lion''s Mane through NGF-mediated neuroprotection
Monitor for excessive cholinergic effects; can be combined under medical supervision
View details →Acetylcarnitine increases choline uptake in brain tissue.
Acetylcarnitin kann die Cholinaufnahme im Gehirn verbessern und so die Acetylcholin-Synthese unterstützen. Eine Kombination beider Supplemente gilt als sicher.
View details →Both increase acetylcholine; potential additive cholinergic effects
Monitor for excessive cholinergic effects if combined
View details →Scientific Sources
- PubChem CID:10917
- Role of L-carnitine in Cardiovascular Health: Literature Review. (Cureus, 2024 Sep)
- Pharmacokinetics of propionyl-L-carnitine in humans: evidence for saturable tubu (2000)
- Metabolic changes induced by maximal exercise in human subjects following L-carn (1990)
- Comparison of pharmacokinetics of L-carnitine, acetyl-L-carnitine and propionyl- (2009)
- Changes in the levels of l-carnitine, acetyl-l-carnitine and propionyl-l-carniti (2016)
- Neuroprotective Effects of Pre-Treament with l-Carnitine and Acetyl-l-Carnitine (2012)
- The Effects and Mechanisms of Mitochondrial Nutrient α-Lipoic Acid on Improving (2007)
- Protective effect of acetyl-l-carnitine and α-lipoic acid against the acute toxi (2011)
- Combined R-α–lipoic acid and acetyl-L-carnitine exerts efficient preventative ef (2010)
- Lipoic acid and acetyl-carnitine reverse iron-induced oxidative stress in human (2008)
- Mitochondrial modulators improve lipid composition and attenuate memory deficits (2015)
- Effect of aging and acetyl-l-carnitine on energetic and cholinergic metabolism i (1989)
- pubmed
- NIH Dietary Supplement Label Database (DSLD)
- PubChem Compound 7045767
Frequently Asked Questions
What is Acetylcarnitine used for?
L-carnitine is a quaternary ammonium compound (C7H15NO3) synthesized from lysine and methionine, essential for transporting long-chain fatty acids into mitochondria for beta-oxidation.
What is the recommended dosage for Acetylcarnitine?
500 mg. Any time. Can take on empty stomach.
Does Acetylcarnitine interact with other supplements?
Acetylcarnitine has 11 verified interactions. Top: L-Carnitin, Alpha-lipoic acid.
When is the best time to take Acetylcarnitine?
Any time. Can take on empty stomach.
Is Acetylcarnitine safe to combine with other supplements?
Always check interactions before combining supplements. Use VitalStack to verify your full stack for free.
Check how Acetylcarnitine fits your full stack
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Check Your Stack →Not medical advice. VitalStack is not a medical device. For personalized health recommendations, consult a healthcare provider.