Meta Information
ID:alcar
Name:
Schema Version:AIM-2.0
Interactions
Target id:
/class/anticoagulants-antiplatelets
Target name:
Anticoagulants and Antiplatelets (e.g., Warfarin)
Severity:
major
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
Acetyl-L-Carnitine may enhance the effects of anticoagulant and antiplatelet drugs, significantly increasing the risk of bleeding and bruising.
Actionable advice:
Avoid taking with anticoagulant or antiplatelet medications unless under strict medical supervision.
Target id:
/condition/renal-impairment
Target name:
Severe Renal Impairment / Dialysis
Severity:
major
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
In severe kidney disease, metabolites of carnitine (like TMAO) can accumulate to toxic levels, a condition known as 'fishy odor syndrome' and potentially contributing to atherosclerosis.
Actionable advice:
Do not use if you have severe kidney disease or are on dialysis.
Target id:
/condition/thyroid-disorders
Target name:
Thyroid Disorders (especially Hypothyroidism)
Severity:
moderate
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
L-carnitine can inhibit the action of thyroid hormones at the cellular level, potentially worsening symptoms of hypothyroidism or reducing the effectiveness of thyroid medication.
Actionable advice:
Consult a physician before use if you have any thyroid condition, especially hypothyroidism.
Target id:
/condition/seizure-disorder
Target name:
Seizure Disorder / Epilepsy
Severity:
moderate
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
There have been reports of increased seizure frequency in individuals with a pre-existing seizure disorder who take L-carnitine.
Actionable advice:
Avoid use if you have a history of seizures, unless approved by your neurologist.
Target id:
/condition/bipolar-disorder
Target name:
Bipolar Disorder
Severity:
moderate
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
Case reports suggest that L-carnitine supplementation may trigger symptoms of mania or hypomania in individuals with bipolar disorder.
Actionable advice:
Avoid use if you have bipolar disorder, as it may worsen symptoms.
Target id:
/condition/pregnancy
Target name:
Pregnancy
Severity:
moderate
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
The safety of Acetyl-L-Carnitine supplementation during pregnancy has not been established through rigorous clinical trials.
Actionable advice:
Avoid use during pregnancy unless specifically prescribed by a healthcare provider.
Target id:
/condition/lactation
Target name:
Breastfeeding (Lactation)
Severity:
moderate
Interaction type:
adverse
Nature:
absolute
Temporal spacing:
null
Description:
It is unknown if supplemental Acetyl-L-Carnitine is excreted in breast milk and what its effects on a nursing infant might be.
Actionable advice:
Avoid use while breastfeeding due to a lack of safety data.
Target id:
/dietary/meal
Target name:
Any Caloric Meal
Severity:
moderate
Interaction type:
diminishing
Nature:
temporal
Temporal spacing:
Hours before target:
1
Hours after target:
2
Description:
Food, especially meals containing protein, can compete with Acetyl-L-Carnitine for absorption in the small intestine, reducing its bioavailability.
Actionable advice:
Take on an empty stomach, at least 1 hour before or 2 hours after a meal.
Target id:
/circadian/sleep
Target name:
Going to Sleep
Severity:
moderate
Interaction type:
adverse
Nature:
temporal
Temporal spacing:
Hours before target:
6
Hours after target:
null
Description:
Acetyl-L-Carnitine can have a stimulating effect on the brain and central nervous system, which may interfere with sleep onset and quality for some individuals.
Actionable advice:
Take your last dose at least 6 hours before your intended bedtime.
Target id:
/circadian/wake
Target name:
Waking Up
Severity:
moderate
Interaction type:
synergistic
Nature:
temporal
Temporal spacing:
Hours before target:
null
Hours after target:
1
Description:
Taking ALCAR in the morning aligns with the body's natural active cycle and can leverage its potential benefits for mental and physical energy.
Actionable advice:
Take your first dose within an hour of waking for potential energizing effects.
Target id:
/intervention/alpha-lipoic-acid
Target name:
Alpha-Lipoic Acid (ALA)
Severity:
moderate
Interaction type:
synergistic
Nature:
temporal
Temporal spacing:
Hours before target:
0
Hours after target:
0
Description:
ALCAR and ALA work together to support mitochondrial function, with ALCAR aiding fatty acid transport and ALA acting as a key cofactor in mitochondrial energy production.
Actionable advice:
Take at the same time as Alpha-Lipoic Acid to support mitochondrial health.
Target id:
/intervention/coq10
Target name:
Coenzyme Q10 (CoQ10)
Severity:
moderate
Interaction type:
synergistic
Nature:
temporal
Temporal spacing:
Hours before target:
0
Hours after target:
0
Description:
Both ALCAR and CoQ10 are crucial for the mitochondrial electron transport chain, and taking them together provides comprehensive support for cellular energy (ATP) production.
Actionable advice:
Take at the same time as CoQ10 for enhanced cellular energy support.
Target id:
/class/anticonvulsants
Target name:
Enzyme-Inducing Anticonvulsant Medications
Severity:
moderate
Interaction type:
synergistic
Nature:
absolute
Temporal spacing:
null
Description:
Certain anticonvulsants (e.g., valproic acid, phenytoin) can deplete the body's carnitine stores, and supplementation may be necessary to counteract this deficiency.
Actionable advice:
If taking these medications long-term, discuss carnitine supplementation with your doctor.
Target id:
/intervention/exercise
Target name:
Exercise
Severity:
minor
Interaction type:
synergistic
Nature:
temporal
Temporal spacing:
Hours before target:
1
Hours after target:
null
Description:
ALCAR facilitates the transport of long-chain fatty acids into mitochondria to be used for energy, which may be beneficial when taken before physical activity.
Actionable advice:
Consider taking a dose about 30-60 minutes before exercise to support energy metabolism.
Target id:
/class/amino-acids
Target name:
High-Dose Amino Acid Supplements
Severity:
minor
Interaction type:
diminishing
Nature:
temporal
Temporal spacing:
Hours before target:
0.5
Hours after target:
0.5
Description:
Theoretically, high doses of other large neutral amino acids taken at the same time could compete with ALCAR for intestinal absorption transporters.
Actionable advice:
Separate ALCAR from other high-dose amino acid supplements by at least 30 minutes.