What Is L-Carnitine? Research Evidence & Profile

What Is L-Carnitine?

L-Carnitine is a small molecule commonly used in studies of acyl transport and mitochondrial metabolism. This page identifies the material as L-Carnitine (Levocarnitine), with synonyms L-Carnitine, Levocarnitine. The L-Carnitine identifiers distinguish this catalogue entry from similarly named compounds, fragments, modified analogues, and multi-component formulations.

Identity fields describe the named catalogue record and must not be generalized to a different salt, counter-ion, hydrate or formulation.

Evidence at a Glance

407ClinicalTrials.gov query records

6755PubMed query records

6Selected publications shown

Sources: ClinicalTrials.gov query · PubMed query · Retrieved 2026-10-06

Mechanism & Pharmacology

The research record for L-Carnitine is organized around acyl-transport studies, mitochondrial metabolism research, small-molecule characterization, and analytical compound workflows. For L-Carnitine, those subjects define the literature and analytical context of this specific research compound; they do not establish a clinical indication, administration route, or expected outcome.

Mechanistic or pathway language defines a research scope. It does not establish that a catalogue product produces a clinical effect.

Clinical Development

Selected exact-query registry records are shown below. Desktop displays up to six; mobile displays up to three.

NCT ID / Study	Phase	Status	Context	Last registry update
NCT04177667Body Mass Index and Age Correlate With Antioxidant Supplementation Effects on Sperm Quality	NA	Completed	Male Infertility	2019-11-26
NCT04027088Effect of Preoperative Immunonutrition in Upper Digestive Tract	NA	Unknown	Immunonutrition, Gastric Cancer, Esophageal Cancer, Pancreas Cancer, Surgery--Complications	2019-08-20
NCT07329283Nighttime Synchrony of Your Nutrition and Circadian Health	NA	Recruiting	Sleep, Metabolism Changes, Circadian Rhythm, Lifestyle Factors, Sleep Hygiene, Sleep Hygiene, Inadequate, Sleep Deprivation, Insufficient Sleep, Circadian Misalignment, Circadian Dysregulation, Light Exposure	2026-01-22
NCT05009654The Effect of Leucine on Carnitine Transport to Skeletal Muscle	NA	Completed	Muscle Loss	2021-08-17
NCT05801159[18F]FPIA PET-CT in Glioblastoma Multiforme (GBM)	Not stated	Completed	Glioblastoma Multiforme of Brain	2025-04-09
NCT02348125Does Clinical Treatment of Mitochondrial Dysfunction Impact Autism Spectrum Disorder (ASD)?	Phase 1	Unknown	Autism Spectrum Disorders, Mitochondrial Diseases	2017-04-14

Source: ClinicalTrials.gov search · Retrieved 2026-10-06

Selected Literature6 important records shown

Selected Literature

Selected PubMed record

l-Carnitine Supplementation in Recovery after Exercise.

Nutrients · 2018 Mar 13

PMID 29534031

Selected PubMed record

L-Carnitine in Drosophila: A Review.

Antioxidants (Basel, Switzerland) · 2020 Dec 21

PMID 33371457

Selected PubMed record

l-carnitine: Nutrition, pathology, and health benefits.

Saudi journal of biological sciences · 2023 Feb

PMID 36632072

Selected PubMed record

Can l-carnitine reduce post-COVID-19 fatigue?

Annals of medicine and surgery (2012) · 2022 Jan

PMID 34925826

Selected PubMed record

L-carnitine: Searching for New Therapeutic Strategy for Sepsis Management.

Current medicinal chemistry · 2022

PMID 34789120

Selected PubMed record

L-carnitine: new perspectives on the management of preterm infants.

Frontiers in nutrition · 2025

PMID 40948868

Source: PubMed search results · Retrieved 2026-10-06

Identity & ChemistryProduct-form fields

Identity & Chemistry

Compound / Blend: L-Carnitine (Levocarnitine)
Available Specifications: 600mg
Pack Format: 10 Vials
Molecular Formula: C7H15NO3
Molecular Weight: 161.2 g/mol
Synonyms: L-Carnitine, Levocarnitine

Identity fields describe the named catalogue record and must not be generalized to a different salt, counter-ion, hydrate or formulation.

Source: NOVABIO product identity record · No single PubChem record is asserted for this catalogue entry.

Research Tools for L-Carnitine

Review the selected registry records and open the module-level ClinicalTrials.gov query for the current result set.

Open Clinical Development

Use the complete NOVABIO documentation library to review currently available batch records.

Open Lab Results & COA

Storage & Laboratory HandlingDocumentation-led controls

Storage & Laboratory Handling

Confirm the exact material form, lot, supplied state and storage statement from the product label and corresponding batch documentation. Do not infer handling conditions from a different compound, strength or external clinical publication.

Regulatory Status

FDA status must be checked by exact drug product, formulation and indication; catalogue availability does not establish approval.

Source: FDA Drugs@FDA · Checked 2026-10-06

Authoritative Data Summary

L-Carnitine Research Summary

Identity

L-Carnitine (Levocarnitine); specifications: 600mg. Identity fields describe the named catalogue record and must not be generalized to a different salt, counter-ion, hydrate or formulation.

Mechanism

Evidence

407 registry records and 6755 PubMed records were returned by the displayed query on 2026-10-06; counts are not quality ratings.

Regulatory context

FDA status must be checked by exact drug product, formulation and indication; catalogue availability does not establish approval.

L-Carnitine is represented here by the catalogue identity L-Carnitine (Levocarnitine). Identity fields describe the named catalogue record and must not be generalized to a different salt, counter-ion, hydrate or formulation. The product record lists 600mg as the currently available specifications. The research context is organized around this product-specific scope: The research record for L-Carnitine is organized around acyl-transport studies, mitochondrial metabolism research, small-molecule characterization, and analytical compound workflows. For L-Carnitine, those subjects define the literature and analytical context of this specific research compound; they do not establish a clinical indication, administration route, or expected outcome. The synchronized searches returned 407 ClinicalTrials.gov records and 6755 PubMed records for the displayed query. A registry count includes records with different designs, statuses and populations, while a publication count can include reviews, preclinical work and unrelated uses of a shared abbreviation; neither count is a quality score. For regulatory interpretation, FDA status must be checked by exact drug product, formulation and indication; catalogue availability does not establish approval. Clinical findings apply only to the studied drug product, formulation, population and protocol. NOVABIO product specifications and batch documentation are separate catalogue records and do not inherit clinical outcomes from external studies. This profile supports identity checking, source tracing and laboratory record review; it does not certify a batch, recommend treatment, provide dosing instructions or replace current official labeling and professional judgment.

Sources: PubMed · ClinicalTrials.gov · FDA · NOVABIO product record

FAQ4 evidence-bounded answers

L-Carnitine FAQ

What is L-Carnitine?

What research records are indexed for L-Carnitine?

The synchronized query returned 407 ClinicalTrials.gov records and 6755 PubMed records on 2026-10-06; review the linked searches because counts and record status can change.

Is L-Carnitine FDA approved?

FDA status must be checked by exact drug product, formulation and indication; catalogue availability does not establish approval.

Does this page provide dosing guidance?

No. This research profile provides identity, evidence, chemistry, regulatory and documentation context without dosing or treatment instructions.

Sources, Methodology & Last Verified

Official sources: ClinicalTrials.gov, NCBI PubMed, FDA, available PubChem records, and NOVABIO product and COA records.
Query retrieved: 2026-10-06T12:08:49Z
Inclusion: Exact identity terms and traceable registry, publication, chemistry, regulatory or catalogue fields.
Limitations: Search counts can include mixed evidence types and shared-name records; individual records require direct review.
Prepared by: NOVABIO Research
Reviewed date: 2026-10-06
Editorial methodology: How NOVABIO builds Research Profiles
Corrections contact: Contact NOVABIO with the page URL and source record.