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JP Labs · Mitochondrial & Redox Research · Research Solution

L-Carnitine

A ready-to-use sterile research solution studied for its role in shuttling fatty acids into mitochondria — supporting research into mitochondrial fatty-acid transport and beta-oxidation pathways.

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About L-Carnitine

L-Carnitine is an amino acid derivative synthesized in the body from the amino acids lysine and methionine. It occurs naturally in tissues with high metabolic demand — particularly skeletal and cardiac muscle — where it plays a central role in cellular energy production from fat. JP Labs's L-Carnitine is supplied as a sterile, ready-to-use research solution (no preparation required).

The primary mechanism of research interest is L-Carnitine's role in the carnitine shuttle: it transports long-chain fatty acids across the inner mitochondrial membrane via carnitine palmitoyltransferase I and II (CPT-1/CPT-2), making them available for beta-oxidation. This places carnitine availability at a key control point for fat-based energy metabolism. Research applications include fatty-acid metabolism and body composition, cellular energy metabolism, reduction of exercise-induced muscle damage markers, and post-cellular-repair.

Purity
≥99%
HPLC-UV verified
Identity
LC-MS Confirmed
Mass spectrometry
Form
Sterile Liquid Solution
Ready to use — no preparation
Storage
Refrigerate 2–8°C
Keep upright, protect from light
Available Sizes
600mg
Sterile liquid solution · 99%+ purity
$65

Research Applications

L-Carnitine is used in research investigating fatty acid oxidation, fatty-acid metabolism and body composition, cellular energy metabolism, exercise-induced muscle damage, and post-cellular-repair markers. It is frequently studied alongside other metabolic and fitness-focused compounds as part of broader recomposition protocols.

For research use only. All products sold by JP Labs are intended strictly for in vitro laboratory research. Not for human or veterinary use. Not FDA approved for any therapeutic purpose.

Common Questions

What is L-Carnitine?
L-Carnitine is an amino acid derivative synthesized in the body from lysine and methionine. It occurs naturally in tissues with high metabolic demand, such as skeletal and cardiac muscle, where it plays a central role in energy production from fat.
What is the mechanism behind fatty acid transport?
L-Carnitine shuttles long-chain fatty acids across the inner mitochondrial membrane via the carnitine palmitoyltransferase I/II (CPT-1/CPT-2) system. Once inside the mitochondrial matrix, these fatty acids undergo beta-oxidation to produce ATP, making carnitine availability a key factor in fat-based energy metabolism.
What does exercise and recovery research show?
L-Carnitine has been studied for its potential to support fat oxidation during exercise, improve cellular energy metabolism, and reduce markers of exercise-induced muscle damage. Some research has also examined its effects on post-cellular-repair time and perceived exertion.
How is L-Carnitine administered?
This product is supplied as a ready-to-use sterile liquid solution — no preparation is required. Store refrigerated at 2–8°C.

Related Compounds

Regulatory Notice

None of the statements on this website have been reviewed or approved by the U.S. Food and Drug Administration. JP Labs products are not intended to diagnose, treat, cure, or prevent any disease or medical condition. All products are sold strictly for in vitro laboratory research purposes. They are not for human or animal use of any kind. DiPerna Services, LLC d/b/a JP Labs is not a compounding pharmacy or outsourcing facility as defined under Sections 503A and 503B of the Federal Food, Drug, and Cosmetic Act.