Explore our commercial-grade active pharmaceutical ingredients, custom peptide sequences, and specialty metabolic compounds manufactured under cGMP standards.
L-Carnitine (γ-trimethylammonium-β-hydroxybutyrate) is a critical quaternary ammonium compound biosynthesized from the essential amino acids lysine and methionine. Operating as an indispensable cofactor in cellular bioenergetics, L-Carnitine facilitates the translocation of long-chain fatty acids across the inner mitochondrial membrane via the carnitine palmitoyltransferase (CPT) shuttle mechanism for subsequent β-oxidation and ATP generation.
Driven by surging global health awareness, clinical therapeutics expansion, and advanced animal metabolic management, the global market for L-Carnitine and its derivatives (such as Acetyl-L-Carnitine and L-Carnitine L-Tartrate) is experiencing significant expansion. Commercial supply chains require strict stereospecific purity (isomer control), robust process validation, and seamless compliance across international pharmacopeias (USP, EP, JP).
The primary macroeconomic catalysts steering global OEM L-carnitine procurement include:
Supply chain requirements vary significantly across strategic economic zones:
In global commercial supply chains, the synthesis methodology determines final product assay, chiral purity, regulatory acceptance, and heavy metal/solvent residual profile. Historically, traditional chemical synthesis produced racemic mixtures (D,L-carnitine), requiring complex optical resolution via tartaric acid. Modern OEM exporters utilize advanced enzymatic biotransformation processes.
| Evaluation Parameter | Advanced Enzymatic Biotransformation | Legacy Chemical Resolution Synthesis |
|---|---|---|
| Stereospecificity & Purity | 100% Optical Isomer Purity (>99.5% L-Form, Zero D-Isomer) | Requires resolution; high risk of trace toxic D-Carnitine contamination |
| Starting Raw Materials | Crotonobetaine or γ-butyrobetaine via recombinant biocatalysts | Epichlorohydrin, trimethylamine, and hydrogen cyanide derivatives |
| Environmental Impact | Green chemistry platform; aqueous phase, minimal hazardous effluent | High organic solvent usage (methanol, ethanol), toxic industrial waste |
| Regulatory & Pharmacopeial Fit | Meets USP, EP, JP, and strict non-GMO / clean label certifications | Requires extensive residual solvent testing (ICH Q3C guidelines) |
| Batch Consistency | Ultra-consistent enzyme activity controls; automated bioreactor systems | Vulnerable to crystallization variance during chiral resolution steps |
Microbial biocatalysis utilizing specialized strain vectors engineered for high expression of carnitine dehydratase and hydrolytic enzymes.
Advanced continuous nanofiltration and electrodialysis remove cellular debris, salts, and proteins without thermal degradation.
Controlled anti-solvent crystallization achieves uniform particle size distribution (PSD) and ultra-low hygroscopicity metrics.
Gentolex’s goal is to create opportunities connecting the world with better services and guaranteed products. Up to date, Gentolex Group has been serving customers from more than 10 countries, specially, representatives are established in Mexico and South Africa. Our main services focus on supplying peptides APIs and Custom Peptides, FDF license out, Technical Support & Consultation, Product Line and Lab Setup, Sourcing & Supply Chain Solutions.
Our state-of-the-art manufacturing campus encompasses an overall factory construction area of 250,000 square meters operating under strict international cGMP standards to offer flexible, scalable, and cost-effective solutions for global pharmaceutical and nutraceutical partners.
TRUSTED BY INDUSTRY LEADERS & CERTIFIED PARTNERS
Different industrial sectors require distinct salt forms of L-Carnitine due to varying hygroscopicity, bio-availability, solubility, and physiological target mechanisms. As an OEM manufacturer, we engineer specialized physical grades (microencapsulated, DC granules, free-flowing powders).
CAS No: 541-15-1
Formulation Fit: Liquid injectables, oral syrups, softgel suspensions.
Key Property: Highly hygroscopic white crystalline powder with 100% aqueous solubility. Recommended for controlled liquid filling environments.
CAS No: 36687-82-8
Formulation Fit: Hard capsules, sports nutrition powders, compressed tablets.
Key Property: Contains ~68% L-Carnitine and 32% L-Tartaric acid. Excellent physical stability, low hygroscopicity, superior compression parameters.
CAS No: 5080-50-2
Formulation Fit: Nootropics, cognitive enhancement formulas, neurological therapeutics.
Key Property: Crosses the blood-brain barrier (BBB) effectively; provides acetyl groups for acetylcholine neurotransmitter synthesis.
CAS No: 119793-66-6
Formulation Fit: Cardiovascular formulations, peripheral vascular disease support.
Key Property: Synergistic action between carnitine and propionate pathways to support ischemic myocardial bioenergetics.
Our global export batches undergo rigorous quality control testing via High-Performance Liquid Chromatography (HPLC), Ion Chromatography (IC), and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to guarantee strict adherence to global regulatory monographs.
| Test Quality Parameter | USP Monograph Standard | EP Monograph Standard | Gentolex OEM Internal Standard |
|---|---|---|---|
| Chemical Assay (Dry Basis) | 98.0% - 102.0% | 98.5% - 101.5% | 99.2% - 100.5% |
| Specific Optical Rotation [α]D20 | -29.0° to -31.0° | -29.5° to -31.5° | -30.0° to -31.0° |
| D-Carnitine Content | ≤ 0.5% | ≤ 0.1% | ≤ 0.05% (HPLC Chiral) |
| Heavy Metals (Pb, As, Cd, Hg) | ≤ 10 ppm Total | ≤ 10 ppm Total | ≤ 2 ppm (ICP-MS Verified) |
| Residue on Ignition (Ash) | ≤ 0.5% | ≤ 0.1% | ≤ 0.08% |
| Microbiological Total Plate Count | < 1,000 CFU/g | < 1,000 CFU/g | < 100 CFU/g (Pathogen Free) |
Stay updated with our latest R&D developments, API synthetic milestones, and peptide biomanufacturing insights.
Selank Acetate API is a synthetic heptapeptide active pharmaceutical ingredient composed of Thr-Lys-Pro-Arg-Pro-Gly-Pro sequence derived for specialized neuropharmacological applications...
View Details
As a professional Thymosin Beta-4 API manufacturer, we provide high-quality Tβ4 peptide API solutions for biotechnology research and pharmaceutical organizations...
View Details
BPC-157 API is a synthetic pentadecapeptide with extensive application in tissue repair, gastrointestinal protection, and cellular signaling research platforms...
View Details
Neuroactive peptide research has gained broad focus. Semax API fragment derivatives engineered under controlled cGMP conditions support neuroscience development...
View Details
SS-31 API (Elamipretide) targets cardiolipin in the inner mitochondrial membrane, stabilizing bioenergetics for advanced metabolic research protocols...
View DetailsComprehensive technical and commercial responses tailored for OEM procurement officers, compliance directors, and product developers.
L-Carnitine Base contains 100% active compound but is extremely hygroscopic, making it ideal for liquid fills and syrup preparations. L-Carnitine L-Tartrate (LCLT) is a stabilized salt (~68% L-Carnitine) preferred for solid dose forms like capsules and tablets due to lower moisture absorption. Acetyl-L-Carnitine (ALCAR) features an acetyl moiety that enhances blood-brain barrier permeability for cognitive and neurological formulations.
D-Carnitine is the biologically inactive optical isomer of L-Carnitine. Crucially, D-Carnitine acts as a competitive inhibitor to endogenous L-Carnitine transport systems and carnitine acetyltransferase enzymes, which can precipitate localized carnitine deficiency symptoms. Our enzymatic process restricts D-isomer impurities to <0.05%, far surpassing standard USP limits.
We offer extensive custom processing including mesh size control (from 20 mesh granules to 200 mesh micronized powder), microencapsulation for moisture protection, custom premixes, private label packaging (fiber drums, heat-sealed foil liners, small-bag packaging), and direct FDF (Finished Dosage Form) licensing out support.
Every commercial lot is dispatched with full analytical documentation including Certificate of Analysis (CoA) from ISO/IEC 17025 accredited labs, Heavy Metal ICP-MS report, Residual Solvent Analysis (ICH Q3C), Microbiological safety certificates, Non-GMO verification, and Halal/Kosher compliance documents. Drug Master Files (DMF) are available for pharmaceutical clients.
Because L-Carnitine is sensitive to ambient humidity, our export packaging utilizes double food-grade polyethylene inner liners protected by aluminum foil moisture barrier bags inside heavy-duty outer drums. Regional hubs in Mexico, South Africa, and Asia facilitate rapid delivery with continuous cold-chain or humidity-controlled shipping option support.
Explore the remaining high-purity peptides, modified amino acid building blocks, and specialty active pharmaceutical intermediates in our commercial product catalog.
