Research Use Only. L-Carnitine is sold as a chemical reagent for in-vitro laboratory research, not for human or veterinary use. It is not a drug, supplement, or compounded preparation. It must be handled by qualified professionals. Wholesale Peptide Supply is not a pharmacy or compounding facility under 503A or 503B.
Wholesale L-Carnitine — Bulk Research Supply
Buy L-Carnitine wholesale and in bulk from a US-based research peptide supplier. Every lot is sourced in the USA and third-party tested, with the lab and method on each lot's certificate. Bulk L-Carnitine is quoted by dose and volume from a 3-kit (30-vial) order minimum, mix and match across doses and compounds; lower prices are earned at 10 kits and again at 100 kits in the order, mix and match.
L-Carnitine is a quaternary ammonium compound serving as the obligate cofactor for mitochondrial long-chain fatty acid oxidation via CPT-I/CPT-II.
Wholesale Catalog
Available Doses
Published per-vial wholesale pricing for L-Carnitine. Sold in kits of 10 vials with a 3-kit (30-vial) order minimum, mix and match across doses and compounds; lower prices apply at 10 kits and at 1,000+ vials in the order. Contact us for larger or custom-volume quotes — answered the same day. Urgent? Text or call (714) 625-9215 — you’ll reach a real person in the United States, not a chatbot or an overseas call center.
L-Carnitine 200mg
WPSLC6 · CAS 541-15-1 · Metabolic & Lipotropic
Discontinued
This product is no longer stocked and is not being restocked.
Questions? Text a rep or call (714) 625-9215 — a real person in the US answers.
Overview
L-Carnitine is a quaternary ammonium compound serving as the obligate cofactor for mitochondrial long-chain fatty acid oxidation via CPT-I/CPT-II.
History
First isolated in 1905; essential role in fatty acid metabolism elucidated in the 1950s and 1960s.
Structure and mechanism
L-Carnitine is a quaternary ammonium compound — not a peptide — built from lysine and methionine precursors and carrying both a positively charged trimethylammonium group and a carboxylate, making it a zwitterion across most of the usable pH range. Only the L-enantiomer is biologically relevant; the D-form is not, which is why the stereochemistry is named explicitly in the product title rather than left implicit.
In preclinical work it is studied for its role in long-chain fatty-acid transport across the mitochondrial membrane via the carnitine shuttle, and it appears in metabolic-research literature as both a study compound and a routine assay reagent.
Reconstitution and handling (research use)
L-Carnitine is supplied in solution rather than as a lyophilized powder, which distinguishes it from most of the catalog. It is extremely water-soluble and highly hygroscopic in solid form — the reason the solution presentation is the practical one for a wholesale product.
It is substantially more stable than the peptide range and does not require the same freeze-protected handling, though refrigeration at 2-8°C is standard. These are general reagent handling notes and not human or veterinary use instructions.
Wholesale sourcing notes
L-Carnitine sits in the metabolic and lipotropic category and is most often ordered together with Lipo-C, with which it shares a research context. It is sourced in the USA and independently verified by third-party testing.
The analysis that matters on this compound is enantiomeric purity — a lot contaminated with the D-form will assay correctly for gross identity and mass while being materially different material. A per-lot Certificate of Analysis is included with every order at no charge, issued in the name of Wholesale Peptide Supply.
Key Areas of Research
- CPT-I/CPT-II shuttle, β-oxidation
- Energy substrate utilization
- Cardiac/skeletal muscle research
References
- Fritz I.B. (1963). Adv Lipid Res 1:285–334.
- Vaz F.M., Wanders R.J. (2002). Biochem J 361(3):417–429.
L-Carnitine — Frequently Asked Questions
- What is L-Carnitine?
- L-Carnitine is a quaternary ammonium compound serving as the obligate cofactor for mitochondrial long-chain fatty acid oxidation via CPT-I/CPT-II.
- What is the CAS number for L-Carnitine?
- The CAS number for L-Carnitine is 541-15-1. Its molecular formula is C₇H₁₅NO₃ (MW 161.20 g/mol).
- What doses of L-Carnitine are available wholesale?
- Wholesale Peptide Supply stocks L-Carnitine in 200mg. Wholesale pricing is provided by quote based on order volume, from a 3-kit (30-vial) order minimum, mix and match across doses and compounds.
- Is L-Carnitine third-party tested?
- Yes. Every lot of L-Carnitine is tested by an independent third-party laboratory, and a per-lot Certificate of Analysis documenting identity and purity is included with every order at no charge, issued in the name of Wholesale Peptide Supply.
- Is L-Carnitine for human use?
- No. L-Carnitine is sold strictly as a chemical reagent for in-vitro laboratory research and is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility.
- How do I get wholesale pricing for L-Carnitine?
- Request a quote through our contact form or open a wholesale account. An account manager replies with volume pricing and lead times the same day. For anything urgent, text or call (714) 625-9215 to reach a real person in the US.
- Can I order L-Carnitine in bulk?
- Yes. L-Carnitine is available for bulk and wholesale orders, quoted by dose and volume, from a 3-kit (30-vial) order minimum, mix and match across doses and compounds, with lower prices at 10 kits and at 100 kits (1,000 vials) in the order. Submit the doses and quantities you need for a bulk quote.
- Is L-Carnitine a peptide?
- No. L-Carnitine is a quaternary ammonium compound biosynthesized from lysine and methionine — it is not a peptide and has no peptide bonds. It is catalogued in the metabolic and lipotropic category alongside Lipo-C, with which it shares a research context.
- Why does the 'L-' in L-Carnitine matter?
- Only the L-enantiomer is biologically relevant; the D-form is not. Because a D-contaminated lot can assay correctly for gross identity and molecular mass while being materially different, enantiomeric purity is the analysis that matters on this compound specifically.
Related Compounds
Metabolic & Lipotropic
Lipo-C
Lipo-C is a lipotropic compound formulation studied for lipid metabolism, hepatic function, and mitochondrial fatty acid oxidation. Typically combines methionine, inositol, choline, and B-vitamin cofactors.
View details →Metabolic & Lipotropic
B-12
Vitamin B-12 (cyanocobalamin) is a cobalt-containing corrinoid cofactor. It is supplied as a laboratory reagent and is commonly stocked alongside lipotropic research formulations.
View details →GLP-1 & Metabolic
Semaglutide
Semaglutide is a synthetic peptide analog that functions as a long-acting pathway agonist, structurally modified for extended half-life and improved target binding affinity. It is studied in preclinical and laboratory models for its ability to activate target pathways and modulate downstream molecular signaling associated with endocrine regulation.
View details →GLP-1 & Metabolic
Tirzepatide
Tirzepatide is a synthetic peptide that functions as a dual pathway agonist, designed as a once-weekly investigational compound studied in preclinical laboratory models for receptor-mediated signaling and modulation of downstream cascades.
View details →GLP-1 & Metabolic
Retatrutide
Retatrutide is a synthetic investigational peptide developed as a multi-pathway agonist, representing the next generation of metabolic research compounds. It activates multiple target receptor subtypes for broad systemic effects studied in preclinical models.
View details →Secretagogue Peptides
Ipamorelin
Ipamorelin is a synthetic pentapeptide and selective secretagogue-type agonist with minimal off-target pathway interference, used to study endocrine signaling and somatotroph axis modulation.
View details →Recovery & Structural
BPC-157
BPC-157 is a synthetic pentadecapeptide composed of 15 amino acids, originally derived from a naturally occurring protein fragment in gastric tissue. It has been studied extensively for its potential influence on molecular signaling, structural remodeling, and angiogenic processes.
View details →Anti-Aging & Longevity
GHK-Cu
GHK-Cu is a naturally occurring copper-binding tripeptide studied for its role in molecular signaling, matrix remodeling, and pathway dynamics.
View details →