Pure L-Carnosine Powder
Sunjoy Stably Supplies Bulk L-Carnosine Powder for Your Brands
- CAS Number: 305-84-0
- EINECS Number: 206-169-9
- Molecular Weight: 226.23
- Molecular Formula: C9H14N4O3
- Chemical Name: L-Carnosine
- Related Name: Carnosine, beta-Alanyl-L-histidine, beta-Alanylhistidine, N-beta-Alanyl-L-histidine
- Appearance: White to off-white crystalline powder
- Solubility: Readily soluble in water, slightly soluble in methanol, insoluble in ethanol and diethyl ether
What Is L-Carnosine Powder?
L-Carnosine is a high-purity natural dipeptide. It consists of beta-alanine and L-histidine.
Healthcare brands use this premium ingredient to develop advanced formulations. L- Carnosine neutralizes free radicals and blocks protein damage caused by sugar. In this way, it provides a deep cellular defense. Additionally, it also acts as an acid buffer in the muscle tissue. These protective mechanisms bring significant health benefits such as boosting sports performance and cognitive vitality.
L-Carnosine also helps with skin elasticity maintenance and anti-aging support. Therefore, cosmetics brands also apply it in their skincare product lines.
Functions of Our L-Carnosine Powder
L-Carnosine can inhibit the glycation reaction between reducing sugars and proteins and reduce the synthesis of advanced glycation end-products (AGEs). This action protects the skin collagen and elastic fibers from cross-linking damage and helps prevent skin from premature aging and maintain tissue vitality.
If you are planning to optimize your antiaging skincare products or longevity formulas, we recommend our L-Carnosine powder for tissue integrity and healthy aging support.

L-Carnosine is a natural antioxidant that can directly neutralize reactive oxygen species and reactive nitrogen species. This protective mechanism prevents damage to cellular membranes and biomacromolecules caused by oxidative stress and lipid peroxidation.
You can apply L-Carnosine in your products and utilize its antioxidant functions against oxidative stress.

L-Carnosine helps protect neural cells from heavy metal toxicity, excitotoxicity, and oxidative stress in the central nervous system. It supports overall brain functions, mental clarity, and neurological health in the long term.
It is ideal for nootropics and brain health formulas for its functions of cognitive performance maintenance and nervous health support.

L-Carnosine is an intracellular buffer in skeletal muscle tissue and plays its role by neutralizing hydrogen ions generated during high-intensity sports. This reduction of partial acidity helps relieve muscle fatigue and promote overall exercise endurance.
You can apply L-Carnosine in your premium sports nutrition products, such as pre-workout supplements and stamina-boosting formulas.


More About Our Company
- Professional L-Carnosine Powder Supplier
- Features
- Production
- Specification
- Fully experienced in manufacturing L-Carnosine Powder since 2017
- Trusted by overseas brands across over 50 countries
- Flexible MOQ starts from 1kg, extra discount for bulk orders over 25kg
- 10-20g free sample available for lab testing
- GMP and ISO certified production ensures a stable supply chain for bulk orders
High Purity: Superior purity over 99%. Strictly controlled heavy metals and microorganisms support your final product quality and safety, and foster your brand reputation.
Superior Bioavailability: Superior bioavailability leads to optimal absorption and utilization rate. Promotes antioxidant and anti-glycation functions of your final products to the largest extent.
Outstanding Batch Consistency: Stable consistency from batch to batch greatly reduces quality control risks of your healthcare and skincare products. Outstanding thermal and moisture resistance prevents degradation and extends shelf life.
Excellent Cost-Efficiency: Large-scale capacity and strategic inventory management ensure a stable supply chain and on-time delivery. Direct factory pricing eliminates intermediaries.
Step 1: Seed Culture: We use glucose as a basic ingredient for pre-seed and seed tank cultivation processes. In this stage, we prepare microbial strains of high activity and high density for industrial fermentation.
Step 2: Fermentation: We transfer the cultivated seeds into the large-scale fermenters. Then we precisely control the temperature, pH, and dissolved oxygen to utilize microbial metabolism for efficient carnosine synthesis.
Step 3: Membrane Separation: When the fermentation is mature, we utilize advanced membrane separation technology, such as ultrafiltration or nanofiltration, to remove cell debris and macromolecular impurities and collect the target clear liquid.
Step 4: Decolorization and Ion Exchange Chromatography: We remove the pigments and odors from the clear liquid. Then we utilize ion exchange chromatography technology to further remove inorganic salts and trace impurities. After these processes, the solution possesses significantly improved purity.
Step 5: Crystallization and Double-Cone Vacuum Drying: The purified liquid undergoes low-temperature crystallization to yield high-purity carnosine crystals. We use a double-cone vacuum dryer to get L-Carnosine powder of excellent flowability and low moisture.
| Process Parameters and Equipment of L-Carnosine Production | |||
| Process Step | Key Control Parameters | Main Purpose of the Step | Typical Equipment Used |
| 1. Seed Culture (Pre-seed and Seed) | Temp 30–37°C, Agitation 200 rpm | Scale up biomass and activate metabolic vigor | Shake Flask, Seed Fermenter |
| 2. Fermentation (Fermentation) | Glucose feeding rate, Dissolved Oxygen ≥30% | High-yield biosynthesis of target carnosine | Industrial Fermentation Tank |
| 3. Membrane Separation (Membrane Separation) | MWCO selection, transmembrane pressure | Remove microbial cells and macromolecular proteins | Ceramic/Spiral Wound Membrane Unit |
| 4. Decolorization and Ion Exchange | Resin flow rate, pH gradient elution | Eliminate pigments, salts, and charged impurities | Activated Carbon Column, Ion Exchange Column |
| 5. Crystallization and Drying | Cooling rate, Vacuum degree −0.09 MPa | Obtain stable crystals and dry finished powder | Crystallizer, Double-Cone Vacuum Dryer |
| L-Carnosine Powder COA | |
| Items | Specifications |
| Assay | 99.0%~101.0% |
| Identification (IR) | Must comply |
| Specific rotation | +20.0°~+22.0° |
| Melting Point | 250°C~265°C |
| pH (in 2% water) | 7.5~8.5 |
| Loss on drying | ≤1.0% |
| Heavy Metals | ≤10 ppm |
| Arsenic | ≤1 ppm |
| Lead | ≤3 ppm |
| Cadmium | ≤1 ppm |
| Mercury | ≤0.1 ppm |
| Residue on ignition | ≤0.1% |
| L-histidine | ≤1.0% |
| Beta-alanine | ≤0.1% |
| Total Aerobic Counts | ≤1000 cfu/g |
| Total Yeast and Mold | ≤100 cfu/g |
| E.Coli. | Negative |
| Salmonella | Negative |
| Hydrazine content | Not detectable |
| Appearance and Smell | Almost white powder, Odorless |
| Particle | 100% through 100 mesh |
| MOQs | 1kg/ Bag |
| Sample | Available (10-20g/ bag) |
Related Products
Beta-Nicotinamide Mononucleotide (NMN) powder helps protect cellular structure from glycation damage and supports cellular longevity mechanisms. L-Carnosine powder enhances anti-glycation defense and supports cellular anti-aging.
We recommend you combine these two ingredients in your premium anti-aging products, and market the comprehensive anti-glycation and cellular renewal functions in promotions.
Coenzyme Q10 can enhance the production of cellular energy and protect cell walls from damage caused by oxidative stress. L-Carnosine supports anti-glycation defense and protects cells from damage at the microscopic level.
You can apply these ingredients in your dietary supplements and highlight the functions of cellular vitality and metabolic support of the whole body.
Pyrroloquinoline Quinone (PQQ) powder can accelerate mitochondrial biogenesis and protect cells from oxidative damage. L-Carnosine powder supports anti-glycation defense and provides energy for cellular longevity.
We suggest combining both ingredients in your premium anti-aging products to achieve comprehensive cellular energy renewal and cellular defense functions.
L-Glutathione Reduced powder can neutralize free radicals and support cellular detoxification of the whole body. L-Carnosine powder supports anti-glycation defense and protects against oxidative stress at the microscopic level.
You can apply them in your dietary supplements and highlight the functions of cellular defense of the whole body and antioxidant support.
Oral Dietary Supplements
The mainstream forms of oral supplements include capsules, tablets, and loose powder blends.
Hard capsules are the most common form aimed at precise daily intake. Tablets are generally produced by directly compressing or stable wet granulation with stable excipients.
Cosmetics and Topical Skincare
The mainstream forms of facial skincare products include aqueous serums, essences, facial emulsions, and anti-aging creams.
Due to the excellent water solubility of L-Carnosine, it is mostly dissolved in the aqueous phase during formulation manufacturing.
The table below is a quick reference for application and dosage. If you are confused about your specific product formulation, feel free to contact us for detailed guidance and tailored solutions.
| Formulation and Dosage Reference | |||
| Dosage Form | Typical Application | Specification / Inclusion Rate | Key Processing Parameters |
| Hard Capsules | Dietary Supplements | 100 mg – 500 mg / capsule | Blending excipients, content uniformity |
| Compressed Tablets | Dietary Supplements | 200 mg – 600 mg / tablet | Direct compression, wet granulation |
| Aqueous Serums and Essences | Topical Skincare | 0.1% – 2.0% concentration | Water-soluble, room-temperature dissolving |
| Anti-Aging Emulsions and Creams | Topical Skincare | 0.2% – 1.0% concentration | Post-cooling phase incorporation, heat sensitivity control |
Anti-Glycation and Anti-Aging
L-Carnosine is positioned as the core active ingredient to inhibit the cross-linking reaction between glucose and proteins. It protects skin collagen elasticity and helps smooth dry lines.
Antioxidant and Free Radical Scavenging
L-Carnosine is commonly marketed as a powerful cellular defense agent. It neutralizes reactive oxygen species (ROS) and alleviates oxidative stress induced by environmental factors.
Skin Repair and Barrier Support
L-Carnosine is also widely used for post-procedure recovery, sensitive skin stabilization, and promoting overall skin vitality.
Store L-Carnosine powder in a cool, dry place. For long-term stability, the temperature should be controlled between 2°C and 8°C. Each time after use, seal the package to prevent moisture exposure.
Under proper storage conditions, the shelf life is over 24 months.
Sunjoy seals L-Carnosine powder in food-grade PE bags and packs with aluminium foil bags or cardboard drums based on the quantity.
For multi-ton bulk orders, we generally arrange shipments 15 to 20 business days after successful payment confirmation. For orders under 100 kg, we arrange transit 5 to 7 business days following the payment.
Before transportation, we arrange strict quality checks, secure protective packaging, and partner with a reliable freight forwarder to ensure your goods are safe and qualified.
Contact Us
Sunjoy GMP and ISO-certified manufacturing ensures stringent quality control and a stable supply chain. If you are looking for L-Carnosine powder for your healthcare or skincare product, contact us and get a free sample today.









