α-Lipoic Acid Powder

Alpha-Lipoic Acid Powder is a multifunctional antioxidant active ingredient widely utilised in dietary supplements and functional nutrition products. Naturally occurring within human cellular mitochondria, α-lipoic acid serves as a crucial cofactor for multiple energy metabolism-related enzyme complexes. It is also one of the few antioxidants exhibiting both water-soluble and fat-soluble characteristics. Owing to its well-established applications in antioxidant protection, energy metabolism support, blood glucose balance, and neurological health, α-lipoic acid has become a core functional ingredient within the fields of metabolic health and healthy ageing.

Unlike the single-configuration R-lipoic acid, α-Lipoic Acid Powder typically exists as an R/S racemic mixture, balancing stability, cost control, and broad market applicability. APPCHEM's α-lipoic acid is produced using mature and reliable synthesis and purification processes. Rigorous purification and quality control procedures ensure the product meets the professional application requirements of the dietary supplement industry in terms of content, purity, stability, and batch consistency.

Alpha-Lipoic Acid Powder is typically supplied as a pale yellow or off-white powder, exhibiting excellent flowability, formulation compatibility, and processing adaptability. It is suitable for various dosage forms, including capsules, tablets, powders, and multifunctional nutritional products. In practical applications, α-lipoic acid is frequently utilised for antioxidant support, metabolic management, blood glucose health, and neurological nutritional formulations. It may also be synergistically combined with ingredients such as chromium, coenzyme Q10, acetyl-L-carnitine, and B vitamins to fulfil the development requirements of products targeting diverse functionalities.

XI'AN APP-CHEM BIO (TECH) CO., LTD. (APPCHEM) provides α-Lipoic Acid Powder utilising a mature, reproducible industrial plant extraction process, comprising the following principal steps:

1. Washing
2. Filtering
3. Removing impurities
4. Drying: to prevent high-temperature damage to thermosensitive active ingredients, especially volatile oils.
5. Crushing: (such as 80 mesh) to increase the contact area with the solvent and improve extraction efficiency.
6. Extraction
7. Solid-liquid separation
8. Purification
9. Concentrate
10. Drying
11. Smashing
12. Packaging
13. Finished product

The multifaceted efficacy of α-lipoic acid powder stems from its profound biochemical mechanisms of action. As a dietary supplement ingredient, it primarily offers antioxidant properties, support for energy metabolism, blood glucose regulation, and neuroprotection.

Potent Antioxidant

Energy Metabolism

Improving Insulin Sensitivity

Neuroprotective Effects

 

• Potent Antioxidant

α-lipoic acid and its reduced form, dihydrolipoic acid (DHLA), constitute a potent redox pair that combats oxidative stress through multiple pathways. Alpha-lipoic acid and DHLA directly neutralise multiple reactive oxygen species (ROS) and reactive nitrogen species (RNS), such as superoxide anion, hydroxyl radical, and peroxynitrite anion, thereby shielding biomolecules, including proteins, lipids, and DNA, from damage. It regenerates several key antioxidants within the body, including vitamin C, vitamin E, coenzyme Q10, and glutathione (GSH), restoring their activity to sustain ongoing antioxidant defence. This "network antioxidant" effect significantly enhances the body's overall antioxidant defence capabilities.

• Central Role in Energy Metabolism

The cellular powerhouse-the mitochondria-constitutes the primary site of action for alpha-lipoic acid. It serves as a crucial coenzyme for multiple mitochondrial enzymes, including the pyruvate dehydrogenase complex (PDH) and the α-ketoglutarate dehydrogenase complex (KGDH). These enzyme complexes play indispensable roles in the tricarboxylic acid (TCA) cycle, which converts energy from carbohydrates, fats, and proteins into ATP (adenosine triphosphate)-the energy currency directly usable by cells. By supporting these critical metabolic processes, alpha-lipoic acid helps maintain normal cellular energy supply, which is vital for the health of high-energy-demand organs such as the brain, heart, and muscles. Consequently, it is widely incorporated into supplement formulations designed to enhance vitality, alleviate fatigue, and support athletic performance.

• Improving Insulin Sensitivity and Glucose Management

Alpha-lipoic acid possesses a robust scientific foundation in glucose metabolism. Multiple preclinical and clinical studies confirm its efficacy in ameliorating insulin resistance, a pathological state closely associated with type 2 diabetes and metabolic syndrome. Alpha-lipoic acid mimics insulin's action by activating the PI3K/Akt signalling pathway, promoting the translocation of glucose transporter 4 (GLUT4) from the cell interior to the cell membrane. GLUT4 serves as the primary channel for glucose uptake in muscle and fat cells; increased GLUT4 levels enable cells to absorb and utilise glucose more efficiently from the bloodstream, thereby helping to lower blood glucose levels.

• Neuroprotective Effects

Alpha-lipoic acid readily crosses the blood-brain barrier, conferring unique advantages for protecting both the central and peripheral nervous systems. Through its potent antioxidant properties, it mitigates oxidative damage to neurons, enhances neurovascular flow, thereby alleviating neuropathic symptoms such as pain, numbness, and tingling, and improving nerve conduction velocity. Furthermore, its antioxidant and energy-metabolism-promoting properties position alpha-lipoic acid as a promising compound for supporting brain health and delaying cognitive decline.

With its well-defined mechanism of action and extensive health benefits, alpha-lipoic acid powder serves as an ideal raw material for developing various dietary supplements, presenting broad market application prospects. The powder form dominates the market, accounting for approximately 40% of the share, favoured for its formulation flexibility and cost-effectiveness.

Our high-purity alpha-lipoic acid powder can be extensively utilised in the development of the following end products:

• Blood Glucose Management Supplements: Serves as a core ingredient or synergistically combined with chromium, cinnamon extract, berberine and other complementary components to develop capsule, tablet or powder formulations for maintaining healthy blood glucose levels.
• Comprehensive Anti-Ageing Formulations: Combined with collagen, hyaluronic acid, vitamins C/E, resveratrol and other ingredients to create oral beauty products that combat oxidative ageing from within.
• Cognitive and Brain Health Products: Suitable for developing brain-boosting supplements targeting middle-aged and elderly populations. It can be combined with phosphatidylserine, ginkgo biloba extract, DHA, etc., to support memory and cognitive function.
• Liver Health Support: Alpha-lipoic acid helps elevate glutathione levels in the liver, enhancing its detoxification and antioxidant capacity.
• Sports Nutrition Supplements: Incorporated into pre-workout or post-recovery products such as protein powders, energy bars, or shakes to enhance athletes' endurance, accelerate recovery, and reduce muscle soreness.
• Diverse End-Product Formulations

Alpha-lipoic acid powder exhibits excellent formulation compatibility, suitable for production across multiple dosage forms:

1. Capsules and Tablets
2. Powders and Solid Beverages
3. Softgels
4. Functional Foods and Beverages

Security statement：

Our company guarantees that the goods sent are safe, non-flammable, and non-explosive, and consistent with the declaration. Under normal transportation conditions, all losses caused by the products sent by our company shall be borne by our company.

Hot Tags: alpha-lipoic acid powder manufacturers, suppliers, factory, wholesale, best, price, buy, for sale, bulk.

Long-term cooperative logistics companies include international logistics companies such as DHL, FedEx, UPS, etc.

The regular bulk packaging of the product is a 25kg plastic bag and a cardboard drum. The sample is packaged in an inner aluminium foil bag and an outer plastic bag, supporting customised packaging solutions.

XI'AN APP-CHEM BIO (TECH) CO., LTD. (APPCHEM) regularly participates in international raw material exhibitions such as CPHI, SSW, and In Cosmetics Asia, and establishes long-term cooperative relationships with global customers.

Q1. How is the purity of this product verified?
A1: We employ authoritative analytical methods such as High Performance Liquid Chromatography (HPLC) and Ultraviolet Spectroscopy (UV) to ensure a content of 99%.

Q2. What is the minimum order quantity for α-Lipoic Acid Powder?
A2: Our minimum order quantity (MOQ) varies by product and specific requirements, and is typically negotiable. Please contact us for detailed information.

Q3. What is the delivery timeframe for the product?
A3: Delivery times depend on order volume and product type. Generally, we arrange production and dispatch promptly upon order confirmation.

Q4. Does APPCHEM offer customisation services?
A4: Yes, we provide customisation services including packaging, labelling, and adjusting product specifications to meet specific client requirements.

Q5. How does APPCHEM ensure product quality and stability?
A5: We maintain a rigorous quality control system. All products undergo third-party testing, with detailed COA (Certificate of Analysis) and stability data provided.

Q6. Do your products comply with international regulatory requirements?
A6: Yes, our products meet quality certification standards such as ISO and GMP. We can supply all necessary export compliance documentation, including Certificates of Origin and quality inspection reports.
 

Reference

[1]K. Shay, R. Moreau et al. "Alpha-lipoic acid as a dietary supplement: molecular mechanisms and therapeutic potential." Biochimica et biophysica acta (2009).
[2]B. Salehi, Yakup Berkay Yılmaz et al. "Insights on the Use of α-Lipoic Acid for Therapeutic Purposes." Biomolecules (2019).
[3]Tabatha Petrillo, E. Semprini et al. "Putative Complementary Compounds to Counteract Insulin-Resistance in PCOS Patients." Biomedicines (2022).
[4]A. Pop, Simona Cris et al. "Evaluation of Dissolution Profiles of a Newly Developed Solid Oral Immediate-Release Formula Containing Alpha-Lipoic Acid." (2021).
[5]Trapali Maria, Fotia Eirini. "Determination of Alpha-Lipoic Acid in a Nutritional Supplement Using High Performance Liquid Chromatography." Journal of Diabetes Mellitus (2022).
[6]J. Jovičić-Bata, N. Todorović et al. "Liquid- and Semisolid-Filled Hard Gelatin Capsules Containing Alpha-Lipoic Acid as a Suitable Dosage Form for Compounding Medicines and Dietary Supplements." Pharmaceutics (2024).