What Is Alpha Lipoic Acid Powder?
Alpha Lipoic Acid Powder is a high-purity, fine yellow powder derived from lipoic acid (also known as DL-lipoic acid or thioctic acid). Recognized as one of the most versatile metabolic antioxidants available in the nutraceutical and functional ingredient market, this compound exhibits a unique dual solubility profile — it functions effectively in both aqueous and lipid environments. Unlike conventional antioxidants that are limited to either water-soluble or fat-soluble activity, Alpha Lipoic Acid Powder delivers broad-spectrum free radical scavenging across multiple tissue types and biological compartments.
With a molecular weight of 206.32 (C₈H₁₄O₂S₂) and a CAS Registry Number of 1077-28-7, this ingredient has earned a prominent place in liver-support formulations, blood glucose management supplements, anti-aging cosmetics, and advanced therapeutic nutrition products. Manufactured by The Extract Factory, our Alpha Lipoic Acid Powder meets stringent quality benchmarks and is supplied to formulators, brand owners, and wholesale distributors worldwide.
Product Specifications & Physical Characteristics
| Parameter | Detail |
|---|---|
| Product Name | α-Alpha Lipoic Acid |
| Synonyms | Lipoic Acid, DL-Lipoic Acid, Thioctic Acid |
| Assay (Purity) | ≥ 99% |
| Appearance | Yellow to pale yellow crystalline powder |
| CAS Number | 1077-28-7 |
| Molecular Formula | C₈H₁₄O₂S₂ |
| Molecular Weight | 206.32 g/mol |
| Melting Point | 60–62 °C |
| Boiling Point | 160–165 °C (literature) |
| Flash Point | 160–165 °C |
| Solubility | Insoluble in water; soluble in 10% NaOH solution, methanol, ethanol, chloroform, ether, and aliphatic solvents |
| Chirality | Available as R-Lipoic Acid and S-Lipoic Acid (R-isomer is the biologically active and commercially preferred form) |
These physical and chemical parameters are critical for formulation scientists and quality assurance teams evaluating raw material compatibility for capsules, tablets, softgels, and topical applications.
Source, Production & Quality Assurance
Raw Material Origin & Manufacturing
The Extract Factory produces Alpha Lipoic Acid Powder through a controlled chemical synthesis pathway designed to achieve pharmaceutical-grade purity (≥ 99%). Our production facility operates four independent extraction and content-standardization lines, staffed by dedicated technical specialists who oversee every stage — from raw material sourcing through final product release.
Each batch undergoes comprehensive in-process and finished-product testing, including identity verification (IR, HPLC), assay confirmation, heavy metals screening, microbial limits, residual solvent analysis, and particle size distribution. This multi-tier quality control framework ensures consistent lot-to-lot performance, a factor that matters enormously for contract manufacturers and private-label brands relying on predictable raw material behavior.
Certifications & Regulatory Alignment
Our manufacturing operations are supported by the following credentials:
- ISO 9001 Quality Management System certification
- Halal and Kosher certifications available upon request
- Full traceability documentation from raw material intake to final packaging
These certifications provide international buyers, importers, and regulatory teams with the assurance needed to incorporate Alpha Lipoic Acid Powder into products destined for diverse global markets.
Functional Properties & Mechanisms of Action
Potent Dual-Phase Antioxidant Activity
Alpha Lipoic Acid Powder is widely regarded in the scientific literature as a "universal antioxidant" because of its ability to operate in both hydrophilic and lipophilic biological environments. Once introduced into the body, exogenous lipoic acid is enzymatically reduced to its active form — dihydrolipoic acid (DHLA) — by cellular reductases including lipoamide dehydrogenase and glutathione reductase. This reduced metabolite actively participates in:
- Free radical scavenging across mitochondrial, cytoplasmic, and membrane-bound compartments
- Regeneration of endogenous antioxidants, including vitamin C, vitamin E, and glutathione (GSH)
- Chelation of pro-oxidant metal ions such as iron and copper
- Modulation of redox-sensitive signaling pathways involved in inflammation and cellular aging
Role as a Metabolic Coenzyme
Beyond its antioxidant capacity, lipoic acid serves as an essential coenzyme for two critical mitochondrial enzyme complexes:
- Pyruvate dehydrogenase complex (PDC) — central to aerobic glucose metabolism and ATP production
- Glycine cleavage system (Glycine decarboxylase) — involved in amino acid catabolism and one-carbon metabolism
This dual functionality makes Alpha Lipoic Acid Powder especially relevant for formulations targeting metabolic health, energy support, and mitochondrial function.
Blood Sugar Modulation & Insulin Sensitivity Support
One of the most commercially significant applications of Alpha Lipoic Acid Powder lies in metabolic and diabetic-support supplements. Research indicates that lipoic acid can enhance cellular glucose uptake by promoting GLUT4 transporter translocation and improving insulin receptor signaling. For individuals managing type 2 diabetes or insulin resistance, supplementation may support improved glycemic control and reduced reliance on exogenous insulin or hypoglycemic medications — always under appropriate medical guidance.
Neuroprotection & Peripheral Nerve Health
Alpha Lipoic Acid Powder has demonstrated relevance in addressing oxidative stress within neuronal tissues. Its ability to cross the blood-brain barrier and protect peripheral nerves makes it a valued ingredient in supplements formulated for:
- Diabetic peripheral neuropathy support
- Reduction of inflammatory responses linked to protein aggregate deposition in nerve cells
- General nerve tissue preservation under conditions of oxidative challenge
Detoxification & Cellular Protection
The thiol groups in lipoic acid contribute to its detoxification potential, supporting the neutralization of reactive oxygen species (ROS) and reactive nitrogen species (RNS). Its amphiphilic nature allows it to be readily absorbed and distributed across various organs — including the liver, kidneys, heart, and nervous system — providing systemic antioxidant coverage that single-phase antioxidants cannot match.
Industry Applications & Formulation Guidance
Nutritional Supplements & Functional Foods
Alpha Lipoic Acid Powder is a staple raw material in:
- Antioxidant complex capsules and tablets (frequently combined with vitamins C and E, CoQ10, or glutathione)
- Blood sugar management and metabolic support formulas
- Liver protection and detoxification supplements
- Anti-aging and skin health nutraceuticals
- Sports nutrition products targeting recovery and oxidative stress reduction
Cosmetics & Personal Care
In the cosmetic sector, the powder is incorporated into anti-aging serums, creams, and lotions where its antioxidant and anti-glycation properties help protect skin from environmental oxidative damage and support collagen integrity.
Pharmaceutical & Therapeutic Nutrition
Alpha Lipoic Acid is used in medical-grade formulations for liver support therapy, diabetic complication management, and as an adjunct in oxidative-stress-related conditions. It is available in oral dosage forms including tablets, capsules, and enteric-coated preparations.
Formulation Compatibility Notes
| Compatibility Factor | Guidance |
|---|---|
| Dosage Forms | Capsules, tablets, softgels, powder blends, topical preparations |
| Synergistic Pairings | Vitamins C, E, CoQ10, N-Acetyl Cysteine, Selenium, Curcumin |
| pH Considerations | Stable under neutral to mildly alkaline conditions; degrades in strongly acidic environments |
| Heat Sensitivity | Melting point ~62 °C — avoid excessive heat during processing |
| Light Exposure | Store in opaque or light-resistant containers to prevent degradation |
| Recommended Storage | Cool, dry, well-ventilated area; sealed packaging; away from direct sunlight and moisture |
Packaging, Logistics & Supply Chain
The Extract Factory offers flexible packaging configurations and reliable international shipping to meet the needs of small-batch formulators and large-scale procurement teams alike.
| Cargo Weight | Packaging Configuration | Shipping Method | Estimated Lead Time |
|---|---|---|---|
| Below 5 kg | Foil bag (inner) with sealed outer packaging | International Express (FedEx / DHL / UPS) | 7–10 business days |
| 5–50 kg | Double-layer PP bag inside master carton or cardboard drum | International Express | 7–10 business days |
| 100–200 kg | 25 kg/drum with double-layer PP bag liner inside cardboard drum | Air Freight | 7–10 business days |
| Over 500 kg | 25 kg/drum with double-layer PP bag liner inside cardboard drum | Ocean Freight (Sea Shipping) | 20–45 business days |
Our logistics team maintains professional partnerships with global freight forwarders and courier services to ensure on-time delivery and full cargo traceability.
Why Choose The Extract Factory as Your Alpha Lipoic Acid Powder Supplier?
- 15+ Years of Industry Experience — Deep understanding of plant extract and fine chemical markets, enabling precise alignment with buyer specifications.
- Dedicated Production Infrastructure — Four independent manufacturing lines with specialized personnel for quality-critical botanical and synthetic raw materials.
- Scalable Supply — From R&D sample quantities to multi-ton commercial orders, we accommodate projects at every stage.
- OEM & Private-Label Capability — We provide technical consultation on formulation strategy, dosage design, and regulatory positioning for your target market.
- End-to-End Quality Control — From incoming material inspection through to pre-shipment final verification, every batch is documented and releasable.
- Responsive Customer Support — Dedicated account management and after-sales service to address inquiries, sample requests, and technical questions promptly.
Whether you are a dietary supplement brand, a cosmetic formulator, a pharmaceutical ingredient distributor, or an international trading company, The Extract Factory delivers Alpha Lipoic Acid Powder that meets the purity, consistency, and documentation standards your business demands.
Frequently Asked Questions
Q: Can I request a free sample of Alpha Lipoic Acid Powder?
A: Yes. We provide complimentary samples for evaluation purposes. Shipping costs are the responsibility of the requesting party.
Q: What payment methods and terms do you accept?
A: We accept T/T (bank transfer), Credit Card, PayPal, Western Union, and other conventional payment methods. Specific terms can be negotiated based on order volume and buyer history.
Q: How does The Extract Factory ensure consistent product quality?
A: With over a decade of operational experience in the botanical extract and fine chemical space, we maintain a mature, documented quality management system. Every production batch undergoes multi-stage testing, and a final quality check is performed before dispatch to prevent any discrepancies.
Q: Do you offer OEM or custom packaging services?
A: Absolutely. We accept OEM orders for Alpha Lipoic Acid Powder and a wide range of other raw materials. Share your specifications with our team, and we will provide competitive pricing and produce samples promptly.
Q: How can I contact your sales or technical team?
A: Reach us via email, Skype, or WhatsApp. All current contact details are available on our website.
Get in Touch
The Extract Factory is a trusted manufacturer and global supplier of Alpha Lipoic Acid Powder, operating under ISO 9001 quality management standards and offering comprehensive OEM services. If your business requires a dependable, high-purity antioxidant raw material for supplements, cosmetics, or pharmaceutical applications, we invite you to connect with our team.
Contact us today: [email protected]











