Acetylcarnitine
Acetylcarnysteine is an naturally occurring compound and derivative of L-carnitine that plays a role in cellular energy metabolism and neurotransmitter function. It is classified as a nootropic and neuroprotective agent under ATC class N06 and is used primarily for neurological and cognitive health support.
Acetylcarnitine is a neuroprotective supplement used for cognitive support, nerve health, and mood regulation.
Key facts at a glance
- ATC
- unclassified
- RxNorm
- unknown
- Generic
- Acetylcarnitine
- Class
- atc-n06
- Brands
- —
- Availability
- otc
- Pregnancy
- B
- Lactation
- caution
- Half-life (h)
- 3
- Onset (min)
- 30
- Duration (h)
- 6
- Routes
- oral
- Forms
- capsules, tablets, powder
- Regions
- US, EU, UK, CA, AU
- Monitoring
- none
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Dosage and administration
- Usual dose
- 500mg twice daily
- Maximum
- consult physician
- Frequency
- every 12 hours
- Instructions
- Follow physician instructions
- Duration limits
- as prescribed
- Monitoring
- standard
- Usual dose
- 250mg twice daily
- Maximum
- consult physician
- Frequency
- every 12 hours
- Instructions
- Follow physician instructions
- Duration limits
- as prescribed
- Monitoring
- standard
- Usual dose
- 400mg daily
- Maximum
- consult physician
- Frequency
- once daily
- Instructions
- Follow physician instructions
- Duration limits
- as prescribed
- Monitoring
- standard
Overdose information
Special Populations
12 groupspregnancy
first trimesteravoid if possible
use only if clearly needed and benefits outweigh potential risks
regular prenatal monitoring
Use with caution and monitor for adverse effects.
pregnancy
second trimesteravoid if possible
use only if clearly needed and benefits outweigh potential risks
regular prenatal monitoring
Use with caution and monitor for adverse effects.
pregnancy
third trimesteravoid if possible
use only if clearly needed and benefits outweigh potential risks
regular prenatal monitoring
Use with caution and monitor for adverse effects.
lactation
breastfeedinguse with caution
monitor infant for adverse effects; consider temporary discontinuation
observe infant for feeding problems, vomiting, diarrhea
Use with caution and monitor for adverse effects.
geriatric
elderly 65 plusno specific adjustment required
standard dosing; consider renal function
monitor renal function periodically
pediatric_age
infantsweight-based dosing required
use only under medical supervision for metabolic disorders
close monitoring of growth and development
Use with caution and monitor for adverse effects.
pediatric_age
children 2 12 yearsweight-based dosing required
use only under medical supervision; not for routine supplementation
monitor growth parameters and adverse effects
Use with caution and monitor for adverse effects.
renal_impairment
mild renal impairmentno adjustment needed
standard dosing; monitor renal function
periodic renal function monitoring
renal_impairment
severe renal impairmentreduce dose and extend dosing interval
use lower dose; monitor for accumulation
frequent renal function monitoring and drug levels if available
Use with caution and monitor for adverse effects.
hepatic_impairment
mild hepatic impairmentno adjustment needed
standard dosing; monitor liver function
periodic liver function tests
hepatic_impairment
severe hepatic impairmentreduce dose
use with caution; start with lower dose
monitor liver function and clinical status
Use with caution and monitor for adverse effects.
alcohol_users
chronic alcohol useno specific adjustment
may provide benefit for alcohol-related liver disease and neuropathy
monitor liver function tests
Statistics and clinical data
Drug class
Acetylcarnitine is regulated as a dietary supplement in the US
Common therapeutic uses
Common off-label and supplement uses based on clinical research
Primary mechanism
Known biochemical mechanisms of action
Extensive research since
Publication history shows significant research interest beginning in the 1980s
Primarily used for cognitive support in age-related memory decline, peripheral neuropathy, and diabetic neuropathy. May also be used as adjunctive support in mood disorders and chronic fatigue. Sometimes utilized for supporting mitochondrial function in various neurological conditions.
Functions as a precursor to acetylcholine, supporting neurotransmitter synthesis. Facilitates fatty acid transport into mitochondria for energy production, particularly in neurons. Exhibits antioxidant properties and may support nerve regeneration through improved mitochondrial function and neuroprotection.
Generally well-tolerated with few side effects, though gastrointestinal symptoms may occur in some individuals. May interact with thyroid medications and anticoagulants. Should be used under medical supervision in patients with seizure disorders. Not recommended during pregnancy or breastfeeding without professional guidance.
Contraindications
Conditions and patient states where this medication should be avoided or used with caution.
Do not use (1)
Known allergy to this medication or its components
Use caution (1)
Consult healthcare provider for benefits vs risks assessment
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy