L Carnitine

For Research Use Only. Not for human or veterinary use.

L Carnitine is listed for legitimate laboratory and research procurement. This 99%+ research-use product is available in 1 listed specification. Review product codes, storage guidance and COA status, then request a wholesale quotation. Batch documentation is available on request.

Listed purity: 99%+
Availability: Available for inquiry

Select specification600mg/10ml/vials

COA available on request

COACOA available on request

Volume discounts are available for larger purchasing plans. Please contact us for a quotation.

Delivery includedUsually within 7 days after dispatch

Quality resolutionRefund or replacement when approved

24/7 contactWholesale assistance on WhatsApp

Product profile

About L Carnitine

L-Carnitine (chemical name: L-3-hydroxy-4-trimethylammoniobutanoate) is a naturally occurring amino acid-like compound synthesized endogenously from lysine and methionine in the liver and kidneys and obtained from dietary sources such as red meat and dairy products. Its core physiological function is as a critical cofactor in fatty acid metabolism: through the "carnitine shuttle" mechanism, it transports long-chain fatty acids from the cytosol into the mitochondrial matrix for β-oxidation, providing energy for tissues such as cardiac and skeletal muscle. Additionally, L-carnitine plays protective roles by regulating mitochondrial CoA homeostasis, stabilizing cell membranes, and removing toxic metabolites. It is approved clinically for treating primary and certain secondary carnitine deficiencies and is widely used as a dietary supplement by athletes, the elderly, and individuals with metabolic disorders.

Main functions

"1.Improves MASH and Related Liver Disease: In a 10-week human study, MASH patients receiving 2g/day oral L-carnitine showed significant improvements in serum ALT, AST, and GGT, along with improved liver inflammation and NAFLD activity scores. In MASH mouse models, long-term L-carnitine administration significantly improved steatosis, inflammation, and fibrosis, and reduced liver tumor incidence.
2.Cardioprotection and Cardiac Function Improvement: In ischemic heart disease patients, L-carnitine reduces myocardial lactate production, increases free fatty acid extraction, and improves exercise tolerance and angina symptoms. It reduces CK-MB release in MI patients and exerts positive inotropic effects in patients with impaired left ventricular function.
3.Treats Carnitine Deficiency: In patients with primary systemic carnitine deficiency, supplementation of up to 4g/day reverses severe muscular weakness, hypoglycemia, and intellectual retardation—can be life-saving in severe cases. Clear benefits are also seen in secondary deficiencies (organic acidurias, prolonged parenteral nutrition, chronic hemodialysis).
4.Improves Functional Status in Older Adults: An RCT in pre-frail older adults showed that 500mg/day L-carnitine for 10 weeks significantly improved handgrip strength and frailty index scores compared to placebo. However, a 24-week study in healthy women aged 65-70 (1500mg/day) found no significant changes in muscle strength or body composition.
5.Promotes Weight Loss and Improves Lipids: In obese women with knee osteoarthritis, 12 weeks of 1000mg/day L-carnitine combined with a low-calorie diet significantly improved BMI, with significant within-group reductions in total cholesterol and malondialdehyde.
6.Reduces Chemotherapy-Related Cardiotoxicity: Preliminary studies suggest L-carnitine may attenuate cardiotoxicity from anthracycline therapy (cumulative doses 500 mg/m²).
7.Treats Valproic Acid Toxicity: L-carnitine is used as an antidote for valproic acid-induced hyperammonemia and hepatotoxicity, with a recommended IV loading dose of 5 mg/kg followed by continuous infusion."

Recommended audience

"Patients diagnosed with primary or secondary carnitine deficiency (organic acidurias, dialysis patients, inborn errors of metabolism).
Patients with metabolic dysfunction-associated steatohepatitis (MASH) (investigational).
Patients with ischemic heart disease, chronic angina, or post-MI recovery.
Older adults concerned with muscle function, anti-aging, and metabolic health.
Cancer patients undergoing anthracycline chemotherapy (cardioprotective adjunct) and patients on valproic acid (hyperammonemia prevention)."

Order formatOne box accepted

QuotationConfirmed on WhatsApp

DeliveryShipping and duties included

DocumentationPublished COA or available on request

Research product specification

Product information

Handling information

Storage guidance

Keep unopened lyophilized products protected from light and moisture; store at 2-8°C short term or -20°C long term. After reconstitution, refrigerate according to product documentation and minimize freeze-thaw cycles.

Customer-first resolution

Report quality concerns within 14 days of delivery

Contact us with the order number, batch details and available photos. Opened products are accepted for review. When a quality claim is approved, you may choose a full refund or replacement shipment.