Best L-Carnitine Base Powder bulk Manufacturer

Food Additive L-Carnitine Base Powder

CAS: 541-15-1

MF: C7H15NO3

MW: 161.2

EINECS: 208-768-0

Specification​: 99% min L-Carnitine Base Powder

Sample: L-Carnitine Base Powder Avaliable

Packaging: 1kg/bag, 25kg/drum

Brand: Ausreson

MOQ: 1 kg

Appearance: White Powder

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Last updated: April 2026

What is L-Carnitine Base Powder?

In the world of fitness and dietary supplements, L-Carnitine Base Powder stands as the "gold standard" for metabolic support. Whether you are a competitive athlete looking to shred body fat or a supplement brand owner seeking high-purity raw materials, understanding the "Base" form is crucial.

Unlike its derivatives (such as L-Tartrate or Acetyl-L-Carnitine), L-Carnitine Base has the highest concentration of actual L-Carnitine.

• Purity: Usually ≥ 98% pure L-Carnitine content.

• Bioavailability: Rapidly absorbed into the bloodstream.

• Versatility: The foundational ingredient for liquids, capsules, and energy shots

Key Benefits

For many in the US and UK, weight management is the #1 goal. L-Carnitine Base acts as a shuttle, transporting long-chain fatty acids into the mitochondria. Here, they are burned for fuel—turning stubborn fat into usable energy.

European fitness enthusiasts are increasingly focusing on "intra-workout" and "post-workout" recovery. By reducing lactic acid buildup and muscle soreness (DOMS), L-Carnitine Base helps you hit the gym sooner.

Beyond the gym, it’s a recognized nootropic and cardiovascular support nutrient, supporting brain function and stable heart energy levels.

Uses and functions of L-Carnitine Base.

L-carnitine is a newly approved food fortifier in China. It is mainly used to fortify soybean-based baby food and promote the absorption and utilisation of fat.D-type and DL-type have no nutritional value.

China stipulates that it can be used in biscuits, drinking liquids and milk beverages with the use amount of 600-3000mg/kg; in solid beverages, drinking liquids and capsules with the use amount of 250-600mg/kg; in milk powder with the use amount of 300-400mg/kg; and in infant formula food with the use amount of 70-90mg/kg (in terms of L-carnitine, 1g of tartaric acid salt is equivalent to 0.68g of L -Carnitine).

Promotes fatty acid oxidation in mitochondria and achieves other biochemical functions including acetyl buffering and maintenance of adequate coenzyme A concentrations in mitochondria under anaerobic conditions, stimulation of the tricarboxylic acid cycle, and stimulation of ATP export from mitochondria under sustained muscle exercise. Used for healthy animal growth.

FAQ

Yes, it is generally recognized as safe (GRAS) when taken within recommended dosages (typically 500mg to 2,000mg per day). Always consult a healthcare professional before starting new dietary supplements.

The Base form is pure carnitine, while Tartrate is a salt (L-Carnitine bound to Tartaric Acid). Tartrate is more stable in powder mixes, but the Base form offers a higher concentration of the active ingredient per gram.

L-Carnitine Base absorbs moisture quickly. Keep it in a cool, dry place, ideally in an airtight container with a desiccant pack to prevent clumping.

Product Method of Bulk L-Carnitine Base Powder.

(1) Extraction method.

Naturally occurring in a variety of meats and milks, L-carnitine can be extracted directly from L-carnitine-containing beef and cow's milk. Literature reports that 0.6g of crystalline carnitine can be obtained from 450g of beef extract and 100g of lactose powder containing 2% L-carnitine can be extracted from 56kg of cow's milk.

However, the cost of the extraction method is better and less reasonable economically.

(2) Microbial fermentation method.

Studies have shown that L-carnitine is also present in many microorganisms, and L-carnitine can be accumulated by using microorganisms such as yeast, Aspergillus, Penicillium, Rhizopus and other microorganisms liquid deep culture or solid fermentation. However, due to the complexity of strain screening, the current level of fermentation is still relatively low.

It was reported that 2% DL-carnitine was used as raw material, fermented at 25°C for 44h, and accumulated L-carnitine 0.4%.

(3) Synthetic method.

There was a patent report of DL-carnitine synthesis in 1953 in foreign countries, and there has been industrial production in the 1960s. Domestic production and application as a gastric drug was also available in 1982. Directly from DL-carnitine, L-carnitine was obtained by chemical splitting using camphoric acid, N-acetyl-D-glutamic acid or ethylbenzoyl-L-(+)tartaric acid as splitting agents.

However, D-carnitine racemisation is more difficult and cannot be recycled, and breakthroughs are still needed for industrial production.

(4) Enzymatic conversion.

This is the most researched and the most promising method. Enzymes of microbial origin can be used for selective hydrolysis and splitting. For example, Qing Nakayama used the amidase of Pseudomonas and other microorganisms to selectively hydrolyse DL-carnitine amide or carnitine nitrile, and L-carnitine with optical purity of more than 99% could be produced.

In addition, L-carnitine can be prepared by enzymatic conversion of β-dehydrocarnitine, enzymatic hydrolysis of trans-croton betaine and enzymatic hydroxylation of γ-butyl betaine.

Related Products & Bundling Opportunities

To maximize your SEO internal linking or product bundling, consider these complementary ingredients:

• L-Carnitine L-Tartrate (LCLT): For muscle recovery and powder-based formulas.

• Acetyl-L-Carnitine (ALCAR): The best version for brain health and focus.

• Conjugated Linoleic Acid (CLA): Often stacked with carnitine for a "non-stimulant" fat-burning duo.

• Green Tea Extract (EGCG): Synergistic effect on metabolic rate.

• Taurine: For improved cardiovascular health and electrolyte balance.

Our Strengths

Henrikang possesses the capability to manufacture any capsule formulation. From sourcing every ingredient in your formula to post-filling inspection, we deliver end-to-end services at optimal pricing and fastest turnaround times.

Leveraging extensive experience, we assist you in developing new products for your target audience or explore scalable production solutions. As your partner, we are committed to achieving long-term success in capsule manufacturing.

As a leading OEM manufacturer of nutritional supplement ingredients and branded products in China, we hold certifications including ISO 22000, ISO 9001, HACCP, GMP, Halal, CE, CE-ROHS, Kosher, SGS, Intertek, Eurofins, and GMP. Our facility has passed FDA inspection and completed registration.

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