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99% L-Carnitine
Nanjing Gemsen
CAS 541-15-1
| Parameter | Value |
|---|---|
| Product Name | L-Carnitine |
| Synonyms | L-Carnitine Base |
| Appearance | White crystalline or crystalline powder |
| CAS No. | 541-15-1 |
| Molecular Formula | C7H15NO3 |
| Molecular Weight | 161.2 |
| Purit | ≥99% |
| Packaging | Available in various specifications for bulk orders |
| Sample | Samples available for testing |
L-Carnitine (Levocarnitine) is a conditionally essential nutrient that plays a critical role in energy metabolism by transporting long-chain fatty acids into the mitochondria for β-oxidation, thereby converting fat into cellular energy (ATP). Beyond its fundamental role in energy production, L-Carnitine exhibits antioxidant properties, supports mitochondrial function, and has been clinically studied for its benefits in sports nutrition, cardiovascular health, male fertility, and neuroprotection.
| Items | Specifications | Results | Methods |
| Description | White crystals or crystalline powde | Conforms | Organoleptic |
| Identification | IR | Conforms | USP |
| Appearance of Solution | Clear and Colorless | Conforms | Ph.Eur. |
| Specific rotation | -29.0°~-32.0° | -31.41° | USP |
| PH | 5.5~9.5 | 6.48 | USP |
| Loss on Drying | ≤0.5% | 0.36% | USP |
| Assay | 97.0%~103.0% | 99.50% | USP |
| Residue on lgnition | ≤0.1% | 0.04% | USP |
| D-Carnitine | ≤0.2% | 0.04% | HPLC |
| Residual Solvents | |||
| Residue Ethanol | ≤5000ppm | Conforms | USP |
| Heavy Metals | ≤10ppm | <10ppm | USP |
| Arsenic | ≤1ppm | <1ppm | USP |
| Chloride | ≤0.4% | <0.4% | USP |
| Potassium | ≤0.2% | <0.2% | USP |
| Sodium | ≤0.1% | <0.1% | USP |
| Cyanide | Absent | Conforms | Ch.P. |
| Lead | ≤3ppm | <3ppm | USP |
| Mercury | ≤0.1ppm | <0.1ppm | USP |
| Cadmium | ≤1ppm | <1ppm | USP |
| Total Plate Count | ≤1000Cfu/g | 20Cfu/g | USP |
| Yeast & Mold | ≤100Cfu/g | 10Cfu/g | USP |
| E.Coli | Negative | Conforms | USP |
| Salmonella | Negative | Conforms | USP |
1. Sports Nutrition
L-Carnitine helps transport fatty acids into mitochondria for energy, especially during exercise. It is often used in products for endurance, fatigue reduction, and recovery.
Common product forms: pre-workout powders, energy gels, recovery drinks, protein bars.
Often combined with carbohydrates or electrolytes. May be paired with BCAAs for muscle recovery.
2. Weight Management & Metabolic Support
L-Carnitine boosts fat oxidation in mitochondria, helping the body use fat for energy. It is included in products for healthy body composition, especially with diet and exercise.
Product forms: meal replacement shakes, capsules, functional beverages.
Easily blends with fibers, proteins, vitamins. Positioned with diet and exercise.
3. Cardiovascular Health Support
L-Carnitine is abundant in heart muscle and supports energy production. It is used in products for cardiovascular function, especially for aging adults or those focused on heart health.
Often combined with CoQ10, omega-3s, or magnesium.
Compatible with most supplement forms. For long-term nutritional support.
4. Male Fertility Support
L-Carnitine is naturally found in the epididymis and seminal fluid, providing energy for sperm and protecting them from oxidative stress. It is used in male reproductive health products.
Often combined with zinc, selenium, vitamin E.
Stable with other actives. For men planning conception or reproductive wellness.
5. Healthy Aging & Cognitive Function
Acetyl-L-Carnitine (ALCAR) crosses the blood-brain barrier and supports brain energy metabolism. It is used in products for cognitive function and mental energy in aging adults.
Product forms: nootropic blends, senior formulas, brain health capsules.
Often with phosphatidylserine, Ginkgo, or omega-3s.
6. Cosmeceuticals & Personal Care
In personal care, L-Carnitine acts as an antioxidant and helps regulate lipid metabolism in skin cells. It is used in products for skin conditioning, antioxidant protection, and scalp health.
Product forms: facial serums, anti-pollution creams, scalp tonics, leave-in conditioners.
In hair care, combine with conditioners;
in anti-aging, pair with vitamin C or ferulic acid.
7. Specialized Nutrition & Medical Foods
L-Carnitine is conditionally essential when the body's own production is insufficient, such as in vegan diets, hemodialysis, or metabolic conditions. It is used in specialized nutrition product
Product forms: dialysis support shakes, metabolic powders, vegan fortified foods. Available in food and medical grades. Developed under healthcare guidance for specific nutritional needs.
Q1: What is the production method of your L-Carnitine, and what advantages does it offer?
A1: L-Carnitine from Gemsen is produced via biological fermentation, a process that uses microorganisms to convert plant-based substrates into high-purity L-Carnitine. This method ensures a non-animal origin, which is critical for vegan, vegetarian, and kosher/halal markets, and eliminates concerns about BSE/TSE. It also guarantees the absence of the D-isomer, which can interfere with L-Carnitine metabolism.
Q2: What certifications and regulatory compliances do Gemsen have?
A2: L-Carnitine from Gemsen is manufactured in ISO 9001 and GMP-certified facilities. It meets the specifications of USP, EP, and FCC, and we can provide Certificates of Analysis for each batch.
Q3: Are there differences in functional applications between L-carnitine with different contents?
A3: Yes.
Small amounts (0.1%-1%) are added to food to supplement daily nutrition. Healthcare supplements use higher amounts (10%-50%) to meet specific nutritional needs.
Cosmetics contain 0.5%-5% L-carnitine for skin and body care.
Pharmaceutical manufacturers adjust the content according to formula requirements. Different uses require different concentrations, all depending on L-carnitine’s natural function in the human body.
Q4: Can L-carnitine be obtained through daily diet, and what are the main sources?
A4: Yes, a normal diet usually provides sufficient L-carnitine. Meat (beef, pork, lamb), fish (especially deep-sea fish) and dairy products are good sources, while plant-based foods like grains, vegetables and fruits contain almost none.
L-carnitine acts as a key "fat transporter": it moves fatty acids to cellular energy centers, converting fat into energy that the body can use. It also helps the heart, brain and muscles function normally, maintaining daily energy. Vegetarians, vegans or people who eat little meat may need supplements or fortified foods.
Q5: What is the difference between L-carnitine and its common derivatives (acetyl-L-carnitine, propionyl-L-carnitine) in application?
A5: Plain L-carnitine supports overall energy metabolism and is widely used in food, healthcare products and cosmetics.
Acetyl-L-carnitine can easily pass through the blood-brain barrier, making it suitable for products focused on brain health and anti-aging.
Propionyl-L-carnitine is often preferred for cardiovascular applications and is commonly used in healthcare products and medicines.
GEMSEN provides all these forms to meet different application needs.