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$40
1-49 Bag/Bags
$35
50-499 Bag/Bags
$31
≥500 Bag/Bags
Product Attributes
Model No.: KS-20260302
Brand: kaishibio
Product Description
L-Carnitine is a widely used Amino Acids -based Nutritional Ingredients component essential for fatty acid metabolism and cellular energy production. It facilitates the transport of long-chain fatty acids into mitochondria, supporting energy generation in high-demand physiological conditions such as exercise, weight management, and metabolic health.
In the global nutraceutical market, L-Carnitine is a core ingredient across Sports Nutrition Ingredients, functional beverages, and advanced dietary supplements. It is frequently incorporated into formulations alongside Vitamins, Antioxidants, and Herbal Extracts to enhance product positioning and functional synergy. Its high stability and compatibility also make it suitable for Capsule Manufacturing, Tablet Manufacturing, and Powder & Drink Manufacturing.
Content Note: Prepared by our technical team based on current scientific literature. Health claims comply with FDA/EFSA guidelines. Last reviewed: April 2026
According to a study in The American Journal of Clinical Nutrition (2011), L-Carnitine supplementation may support fat oxidation and improve exercise performance under specific conditions.
According to a study in Journal of Physiology (2013), L-Carnitine intake demonstrated improved muscle metabolism and reduced fatigue indicators during endurance activity.
Our L-Carnitine ingredient is produced using advanced synthesis and purification technologies, ensuring high purity and consistency for global B2B applications.
| Specification Item | Standard | Test Method |
|---|---|---|
| Appearance | White crystalline powder | Visual |
| Assay | 98.0% – 102.0% | HPLC |
| pH Value | 5.5 – 9.5 | USP |
| Loss on Drying | ≤ 1.0% | USP |
| Heavy Metals | ≤ 10 ppm | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | AOAC |
| Variant | Absorption Speed | Functional Focus | Recommended Use |
|---|---|---|---|
| L-Carnitine Base | Moderate | General metabolism | Weight management supplements |
| L-Carnitine L-Tartrate | Fast | Muscle recovery | Sports nutrition products |
| Acetyl-L-Carnitine | High (brain bioavailability) | Cognitive support | Nootropic formulas |
| Propionyl-L-Carnitine | Moderate | Circulation support | Cardiovascular formulations |
| Ingredient | Mechanism | Category | Application |
|---|---|---|---|
| L-Carnitine | Fatty acid transport | Amino acid derivative | Energy metabolism |
| Green Coffee Bean Extract | Chlorogenic acid activity | Plant Extracts | Weight management |
| CoQ10 | Mitochondrial antioxidant | Antioxidants | Energy & heart health |
L-Carnitine is a multifunctional ingredient compatible with Standardized Extracts, Fruit & Vegetable Extracts, and Superfood Blends, making it highly adaptable across product categories.
We deliver consistent, high-quality ingredients backed by global certifications and advanced manufacturing capabilities.
Buyer Insight: L-Carnitine remains a staple ingredient in global supplement portfolios due to its strong consumer recognition and formulation flexibility across multiple health categories.
We offer L-Carnitine base, L-Carnitine L-Tartrate, Acetyl-L-Carnitine, and Propionyl-L-Carnitine to meet diverse formulation needs.
It is widely used in sports nutrition, dietary supplements, functional beverages, and medical nutrition products.
Yes, we provide full OEM solutions including formulation, manufacturing, and packaging under private label programs.
Yes, our production complies with GMP standards and supports regulatory requirements for both EU and US markets.
Each batch undergoes strict quality testing including HPLC assay, microbial limits, and heavy metal analysis.


Packaging & Delivery
| Selling Units: | Bag/Bags |
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