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L-Carnitine-L-Tartrate separates itself from many chemical compounds with a real-world relevance that stretches across sports nutrition, pharmaceuticals, and food. Recognized for being a stable, highly bioavailable form of L-carnitine bonded with tartaric acid, this material usually appears as a white to almost white crystalline powder. It holds a notable place as a raw ingredient due to quick absorption and water solubility. The chemical formula, C11H19NO9, gives a molecular weight of nearly 361.3 g/mol, making it easy to handle and calculate for large-scale or laboratory use. In terms of import and export, the standard HS Code usually falls under the category of amino acids and their derivatives, aligning with codes such as 29239000 for customs purposes. I’ve seen companies pay far too little attention to correct codification, which creates frustrating and avoidable delays at customs. Choosing an established code stays critical in international handling.
This compound’s structure gives it unique physiochemical benefits. L-Carnitine-L-Tartrate forms through the chemical bonding of the essential nutrient L-carnitine and naturally occurring tartaric acid. This provides two functions — it offers the benefits of each component but binds them in a way that enhances both stability and usability compared to pure L-carnitine. You’ll find chiral centers in its structure, impacting bioactivity. In practical laboratory handling, the crystalline form displays decent density — about 1.3 to 1.4 g/cm3. These flakes or powders often dissolve fast in water and present as a robust raw material for supplements or pharmaceutical tablets. My experience sourcing L-carnitine derivatives tells me that lot consistency relies on reliable crystallization and real purity, which means you can’t shortcut analytical checks.
On the market, L-Carnitine-L-Tartrate comes in several physical forms. Powder and crystalline versions see the most use, prized for quick dissolution and easy blending into mixes or compounding for capsules. Some suppliers offer flakes or pearlized granules for manufacturing purposes, which can lower dust emission. It can be found as a solution (commonly a 10% water-based solution by weight) for direct liquid dosing or industrial conversion. Dry powders demand safe handling, but their flowability and low moisture sensitivity make storage straightforward. Liquid forms call for sealed containers and a cool environment to avoid microbial growth. Consistent material quality remains essential, whether handling 25 kg bags or kilo-scale samples. Several times, I observed that even small variances in granule size or water content shift how material behaves during large batch production — issues you only catch by running real-life trials and not relying on supplier promises.
Typical purity levels reach above 98%, and users should be wary of brands not documenting purity. Specifications usually detail the assay of L-carnitine content, moisture percentage, residue on ignition, and the content of tartrate. Particle size falls within 90% under 500 microns for powders, while bulk density typically ranges from 0.45 to 0.65 g/mL, letting manufacturers predict packing and dosing. I remember working on a project where caking and uneven dosing happened because of wide variation in bulk density — a critical lesson not to skip getting specification sheets directly from the manufacturer, with batch analysis included.
From a safety perspective, L-Carnitine-L-Tartrate is classified as non-hazardous and non-toxic in the ranges used for foods and supplements. Neither skin contact nor inhalation in standard environments presents significant risk, although gloves and dust masks remain best practice in handling bulk powders to avoid transient irritation. Regulatory reviews, such as from the European Food Safety Authority and US FDA, back up these safety claims. Still, like any food ingredient, improper storage — damp or unsealed containers — can prompt degradation, so warehouse vigilance stays key. Rare sensitivities have appeared in the literature, mostly in the context of high-dose intake, but standard occupational and product use shows a strong safety record. Over the years, I’ve seen that mishandling L-Carnitine-L-Tartrate often comes from a lack of basic training or neglecting clear labeling, not from any peculiar hazard linked to its chemistry.
Raw materials such as L-Carnitine-L-Tartrate drive much of the performance in dietary and pharmaceutical products. Quality directly influences finished outcomes. Raw material authenticity stands as the best guard against costly product recalls or failed clinical tests. Origin, documentation, and traceability can’t be compromised. Material sourced through reputable suppliers, supported by certificates of analysis, allows more peace of mind through the chain. Sourcing from unknown vendors tempts with cheap pricing, but contamination risks make such shortcuts costly in the long run. Reviews of global recalls show that contaminated or misidentified carnitine ingredients repeatedly surface when procurement focuses on price over transparency. I’ve dealt with the fallout — months of rejected shipments and regulatory headaches. The upfront investment in proper sourcing and regular testing keeps products consistent and trusted by end-users and regulators alike.
Markets keep pushing for faster, more complete quality checks — traceability, DNA barcoding, and digital documentation start to appear across international trade and manufacturing. Factories that blend L-Carnitine-L-Tartrate with vitamins, proteins, or nutraceuticals benefit from more transparent, upstream data and tighter, real-time handling protocols. Many leaders in nutrition manufacturing have looked into cross-checking HS codes, documentation, and structural identification before production starts. This has cut error rates and improved overall product trust. Open dialogue with suppliers about full structural disclosure, batch testing, and storage requirements forms the backbone of safer production lines. Anybody who’s managed a recall knows that every ounce of process control on raw chemicals like L-Carnitine-L-Tartrate prevents huge expenses. Factories and formulators must keep collaborating for smarter traceability, ongoing training, and updated specification reviews to ensure that growth in carnitine use doesn’t lead to repeat quality failures or regulatory action.
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
