What is the recommended dosage for Acetyl-L-Carnitine?

General: 500-2,000 mg/day; Cognitive Support: 1,500-3,000 mg/day

What are the side effects of Acetyl-L-Carnitine?

Potential side effects include: Gastrointestinal discomfort (nausea, vomiting, diarrhea), Fishy body odor, Restlessness or insomnia, Increased appetite.

What is Acetyl-L-Carnitine?

Acetyl-L-Carnitine (ALCAR) is an acetylated form of the amino acid L-carnitine that crosses the blood-brain barrier more readily than standard L-carnitine. Research suggests it may support mitochondrial energy production in brain cells and has been studied for age-related cognitive concerns.

What dosage of Acetyl-L-Carnitine has been used in studies?

Clinical trials have typically used doses ranging from 500 mg to 3,000 mg per day, often divided into two or three doses. The most common dosage in cognitive studies is 1,500 to 2,000 mg daily. Consult your healthcare provider for personalized dosing guidance.

What are the potential side effects of Acetyl-L-Carnitine?

Reported side effects are generally mild and may include nausea, stomach discomfort, and restlessness. ALCAR may interact with thyroid medications and anticoagulants. Always consult your healthcare provider before use, especially if you have existing medical conditions.

Acetyl-L-Carnitine
Acetyl-L-Carnitine

amino_acid

Aussi connu sous le nom de: ALCAR, ALC, Acetylcarnitine, Levacecarnine

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About

L'acétyl-L-carnitine (ALCAR) facilite le transport des acides gras dans les mitochondries pour la production d'énergie neuronale et fournit des groupes acétyle pour la synthèse de l'acétylcholine. Les preuves cliniques montrent des résultats mitigés chez les adultes en bonne santé, mais des résultats plus constamment positifs chez les populations âgées ayant des préoccupations cognitives existantes. Elle est utilisée comme médicament d'ordonnance dans certains pays européens pour les troubles cognitifs.

How It Works

Facilitates fatty acid transport into mitochondria for neuronal energy production; provides acetyl groups for acetylcholine synthesis; exhibits antioxidant properties protecting neurons from oxidative damage; supports myelin sheath integrity.

Evidence For Conditions

Pathologie	Note	Études	Participants
Age-Related Cognitive Decline	C	14	1000	Voir →
Oxidative Stress & Neuroinflammation	C	8	500	Voir →

Side Effects

Gastrointestinal discomfort (nausea, vomiting, diarrhea)
Fishy body odor
Restlessness or insomnia
Increased appetite

Drug & Supplement Interactions

Anticoagulants (may increase bleeding risk)
Thyroid medications (may enhance thyroid hormone effects)
AZT (antiretroviral — may reduce neuropathy)

Informez toujours votre professionnel de santé de tous les compléments alimentaires que vous prenez.Informez toujours votre professionnel de santé de tous les compléments que vous prenez.

Related Ingredients

Taurine L-Theanine N-Acetyl Cysteine

En bref

Posologie: General: 500-2,000 mg/day; Cognitive_Support: 1,500-3,000 mg/day
Formes: capsule tablet powder
Sources naturelles: Red meat, Dairy, Synthesized endogenously from lysine and methionine
Limite supérieure: Well-tolerated up to 3,000 mg/day
Meilleur moment: Morning, on empty stomach or with meals

Synthèse des preuves

Age-Related Cognitive Decline C

Oxidative Stress & Neuroinflammation C

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.