Description

Thermogenic L-Carnitine Powder

You've probably heard the claim: 'L-Carnitine burns fat.' That's not quite right. Let's use a better analogy.

🚌 Imagine your customers' cells as bustling cities. Mitochondria are the power plants. Fatty acids are the coal-ready to burn, but too big to enter the gates alone. L-Carnitine is the shuttle bus that transports them inside, where oxidation occurs. Without it, fatty acids simply float around, never fueling metabolism.

For formulators, this science translates into one clear value: efficacy depends on delivery. Our Thermogenic L-Carnitine Powder from LANDNUTRA delivers pure, stable, bioavailable L-Carnitine-ensuring your finished products perform as the science intends. Backed by full certification (GMP, Halal, Kosher, COA) and rigorous third-party testing, we help you build formulations that consumers trust and regulators approve.

With LANDNUTRA, you're not just sourcing an ingredient-you're partnering with a team that understands the science behind the label. Your brand, powered by precision.

L-Carnitine vs. D‑Carnitine: L-Carnitine is the biologically active, naturally occurring form. D‑Carnitine is its mirror image - it not only doesn't work, it actually inhibits L-Carnitine absorption. Always choose pure L-Carnitine. Our product is ≥98% pure L-Carnitine.

Specification: 98.0% – 102.0% (on dried basis)
Sample: Sample Available
Test method: HPLC / Titration / Optical rotation (polarimetry)
Synonyms: L-Carnitine, (R)-Carnitine, Levocarnitine, Vitamin BT (historical)
MOQ: 1 KG | Package: 1kg/foil bag, 25kgs/drum
Certificate: HACCP, ISO 22000, HALAL, GMP, Kosher (available upon request)
Molecular Formula: C₇H₁₅NO₃ | CAS: 541-15-1

Product Characteristics

🧂

Appearance

Fine, free‑flowing white to off-white crystalline powder; odorless.

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Purity

≥98% - fermentation‑derived, clean label.

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Solubility

High - ≥50 g/100 mL water at 20°C. Dissolves rapidly.

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Optical Rotation

–30.0° to –32.5° - confirms pure L‑isomer.

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Particle Size

>95% pass 80 mesh.

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GMP Manufacturing

Fermentation‑derived, meeting highest purity standards.

COA (Certificate of Analysis)

Benefits of Thermogenic L-Carnitine Powder

01Fatty Acid Transport - The Shuttle Bus

L-Carnitine transports long-chain fatty acids into the mitochondria for beta-oxidation. Essential for formulations targeting exercise performance and intermittent fasting support.

02Supports Fat Oxidation & Energy Production

Enables fatty acid oxidation as a major ATP source. Helps improve endurance and complements weight management products when paired with diet and exercise protocols.

03Reduces Muscle Soreness

Supports energy production and reduces oxidative stress-helping minimize muscle damage and soreness after intense training. Ideal for post-workout recovery blends.

04Supports Mitochondrial Health

Helps remove toxic acyl-CoA compounds that accumulate in mitochondria, improving overall mitochondrial function and cellular energy-a key benefit for anti-aging and vitality products.

05Male Reproductive Health

Found in high concentrations in the epididymis and seminal fluid. Studies suggest L-carnitine may improve sperm motility and concentration-a growing category in men's health supplements.

06Fermentation‑Derived & Clean Label

Our Thermogenic L-Carnitine Powder is produced via fermentation, not chemical synthesis. Non-GMO, vegan, and free from animal-derived materials-meeting the clean-label demands of today's health-conscious consumers.

Application Fields

Dietary Supplements (Hero Application): Weight management / fat burning formulas (500–2000 mg), sports nutrition / pre‑workout powders (500–1000 mg), post‑workout recovery formulas (with BCAAs), energy / metabolism support capsules (with B‑vitamins, CoQ10), male fertility supplements (with zinc, selenium), heart health support.
Functional Foods & Beverages: Fortified sports drinks, energy shots, protein powders.
OEM Finished Products: Weight loss capsules, pre‑workout powder, cognitive support capsules (ALCAR), blood sugar support, liquid energy shots, vegan gummies - full custom manufacturing available.

Production Process

Our Thermogenic L-Carnitine Powder is produced via fermentation, followed by extraction, purification, crystallization, drying, and milling-ensuring high purity, stability, and batch-to-batch consistency for your formulations.

Production process of L-Carnitine

Product Quality Advantage

≥98% Purity – High-quality L-Carnitine base.

≥99% L‑Isomer – D‑Carnitine ≤1.0%.

Fermentation‑Derived – Clean label, non‑GMO.

Excellent Solubility – ≥50 g/100 mL water.

Low Heavy Metals – Pb <0.3 ppm, As <0.5 ppm.

cGMP Certified – Full traceability and documentation.

Annual Capacity: 1,500 Tons | 15+ years of ingredient expertise

Professional ODM/OEM Services

Your Brand, Powered by L-Carnitine - Backed by LANDNUTRA

We provide full OEM/ODM manufacturing for finished products using L‑Carnitine (and its various forms) as the active ingredient-from concept to commercial delivery, all under one roof.

① Finished Dosage Forms
Capsules: 500 mg, 750 mg, 1000 mg; vegetarian/gelatin; custom bottle/blister.
Tablets: Direct compression or wet granulation; round/oval; debossing.
Chews: Soft‑chew or gummy; natural/artificial flavors; sugar‑free options.
Powder Blends: Stick packs or tubs; with caffeine, chromium, B‑vitamins.
Liquid Drops & Shots: For energy and metabolism support.
RTD Beverages: Ready‑to‑drink functional beverages.

② Specialized Forms
Acetyl‑L‑Carnitine (ALCAR) capsules, L‑Carnitine L‑Tartrate tablets.

③ Additional Services
Flavor development, sweetener selection, third‑party certification (Kosher, HALAL, NSF, Informed Sport), stability studies, regulatory documentation.

All backed by LANDNUTRA's quality assurance-full GMP, Halal, Kosher, COA certification and complete traceability from fermentation to finished product. We don't just supply ingredients; we empower your brand with science-backed formulations, consistent quality, and market-ready compliance.

Ready to bring your L-Carnitine product to life? Let's talk.

📧 Email: wangjing@landnutra.com
📱 WhatsApp: +86 18092657549

Export Certificates

As a trusted manufacturer of Thermogenic L-Carnitine Powder and professional L-Carnitine ingredient supplier under LANDNUTRA, we strictly control every stage from fermentation to finished powder-ensuring high purity, stability, and consistent bioavailability across all batches. Our company owns complete authoritative certifications to fully safeguard your cooperation. We can provide all standard export supporting documents for your inspection, including Certificate of Analysis (COA), MSDS, GMP certificate, Halal & Kosher certificates, and third-party heavy metal & microbial test reports. Every document is authentic and complete, so you can place orders with full confidence. Choose LANDNUTRA-where science meets supply, and quality comes standard.

Certificates HACCP ISO HALAL GMP Kosher

Why choose us

XI'AN LANDNUTRA CO., LTD. – Your Trusted Manufacturer of Antioxidant & Functional Ingredients. Rooted in Quality, Driven by Expertise, Committed to Health and Excellence.

Strong Production Capability: Annual capacity 1,500 tons. 15+ years experience, own facility.
Leading Service: ONE-STOP OEM/ODM from pre-sales to after-sales.
Quality Assurance: CQC-certified enterprise, purity embedded in every process.
Broad Market: Botanical Extracts, Cosmetic Ingredients, Functional Ingredients.

15+ years of manufacturing and sourcing high‑quality ingredients. cGMP‑certified facilities. Full in‑house OEM/ODM capabilities for a wide range of supplement formats. Regulatory documentation for global markets. Batch‑specific COA including optical rotation, heavy metals (ICP‑MS), water content, and D‑carnitine content. Technical support for formulation and stability.

FAQ

Q1: L-Carnitine vs. ALCAR - Which for my formulation?

A: L-Carnitine supports fatty acid transport for energy and muscle function-ideal for sports nutrition and weight management. ALCAR crosses the blood-brain barrier more easily, making it better for cognitive health. Choose based on your target: metabolism (L-Carnitine) or brain (ALCAR).

Q2: Does it work as a standalone fat burner?

A: No. It transports fatty acids to mitochondria for oxidation-but actual burning requires caloric deficit and/or exercise. It's the shuttle, not the engine. Position it as part of a complete system, not a magic bullet.

Q3: Can I formulate it for weight loss products?

A: Yes-as a supporting ingredient. Results are modest and individual; best in synergistic blends with caffeine or B-vitamins. Use honest, science-backed messaging to build consumer trust.

Q4: Is Thermogenic L-Carnitine Powder vegan?

A: Yes - our Thermogenic L-Carnitine Powder is produced via fermentation, with no animal-derived materials. It is suitable for vegan and vegetarian products.

Q5: What's the difference between L-Carnitine base and L-Carnitine L-Tartrate?

A: L-Carnitine base is pure, active L‑carnitine. L-Carnitine L‑Tartrate is a salt form that contains about 68% L‑carnitine. The tartrate form is less hygroscopic, making it easier to handle and more stable in tablets. Both are bioavailable.

Q6: What is the recommended dosage of Thermogenic L-Carnitine Powder?

A: Typical dosages range from 500–2000 mg per day. For sports performance, 500–1000 mg pre‑workout is common. For heart health, 1000–2000 mg per day. Follow label instructions or consult a healthcare provider.

Q7: Does Thermogenic L-Carnitine Powder cause a fishy body odor?

A: In some individuals, high doses (>3 g/day) can lead to production of trimethylamine (TMA) in the gut, which has a fishy odor. This is rare and dose‑dependent. Reduce the dose if this occurs.

Q8: Is Thermogenic L-Carnitine Powder safe to take long-term?

A: Yes. L-Carnitine is safe for long-term use at recommended doses. It has been studied for months and years with no significant adverse effects.

Q9: Can I take Thermogenic L-Carnitine Powder with other supplements?

A: Yes. It is often combined with caffeine, chromium, and B-vitamins. It is also compatible with protein powders, BCAAs, and other sports supplements.

Q10: What is the shelf life of Thermogenic L-Carnitine Powder?

A: 24 months in original sealed container under cool, dry conditions (≤25°C, ≤60% RH). The base form is hygroscopic, so keep it sealed.

Q11: Can Thermogenic L-Carnitine Powder be used in liquid products (RTD drinks)?

A: Yes. It is highly soluble in water, making it suitable for liquid formulations. The slightly acidic taste may require flavor masking.

Q12: Is Thermogenic L-Carnitine Powder safe during pregnancy?

A: L-Carnitine is a naturally occurring compound, but high‑dose supplementation during pregnancy is not well studied. Consult a healthcare provider before taking any supplement during pregnancy.

Test Item	Specification (Dietary Supplement Grade)	Test Result	Conclusion
Appearance	White to off-white crystalline powder	Conforms	Pass
Assay (HPLC, as L‑Carnitine base)	98.0% – 102.0%	99.6%	Pass
Optical Rotation	–30.0° to –32.5°	–31.2°	Pass
Water Content (KF)	≤2.0%	0.8%	Pass
pH (1% solution)	5.5 – 6.5	6.0	Pass
Lead (Pb)	≤1.0 ppm	<0.3 ppm	Pass
Arsenic (As)	≤1.0 ppm	<0.5 ppm	Pass
D‑Carnitine	≤1.0%	0.3%	Pass
Total Plate Count	≤1,000 cfu/g	<100 cfu/g	Pass
E. Coli / Salmonella	Negative	Negative	Pass

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