Alpha Lipoic Acid Ingredients

Use this sourcing hub to compare available ALA forms, understand their commercial differences, and identify the most suitable product route before reviewing detailed specifications, documentation, samples, and bulk supply options.
Proof Points
- Standard ALA, R-ALA, and sodium salt forms available
- Multiple product routes for different formulation and sourcing requirements
- COA, MSDS/SDS, TDS, and technical documentation support
- Samples available for formulation and quality evaluation
- Bulk supply and export support for manufacturers, importers, and distributors
Description
Alpha Lipoic Acid ingredients are available in several commercially distinct forms, including standard Alpha Lipoic Acid (ALA), R-Alpha Lipoic Acid (R-ALA), sodium salt forms, and specialized R-ALA salts.
The right form depends on the product specification, formulation route, positioning, processing requirements, and documentation needs of the project. Standard ALA remains the mainstream commercial option, while R-ALA and selected salt forms are typically evaluated when a more specific ingredient form is required.
This hub brings the main Alpha Lipoic Acid routes together so buyers can compare available forms first, then review the corresponding product page for detailed specifications, packaging, documentation, samples, and bulk supply information.
Buyer Snapshot
1) Typical sourcing routes
Buyers usually compare standard Alpha Lipoic Acid, R-Alpha Lipoic Acid, Sodium Lipoate, and Sodium R-Lipoate according to formulation requirements, product positioning, and target specification.
2) Key points to confirm
Before selecting a product, confirm the required ALA form, assay or purity, physical form, application, documentation requirements, and expected order quantity.
3) Best suited for
Importers, distributors, contract manufacturers, supplement manufacturers, and formulation teams sourcing Alpha Lipoic Acid ingredients for commercial evaluation or bulk supply.
Documentation
COA / MSDS / TDS + statements on request
Traceability
Batch records and retained samples
Packaging
Standard export packing + customization
Best for
Importers / distributors / contract manufacturers
Available Products & Grades





Click a form below to view assay/spec range, packaging protection, and the exact document pack for that grade.
How to Choose
The right Alpha Lipoic Acid form depends on the required ingredient identity, formulation route, product positioning, and target specification. Buyers should first confirm whether the project requires standard ALA, a defined R-isomer, or a salt form before comparing detailed specifications.
Choose Alpha Lipoic Acid Powder when:
You need the mainstream commercial ALA form for conventional supplement, capsule, tablet, powder-blend, or general nutrition applications. This is usually the first route to evaluate when no specific R-isomer or salt form is required.
Choose Alpha Lipoic Acid Sodium Salt when:
Your formulation or specification specifically requires the sodium salt of standard Alpha Lipoic Acid rather than the free-acid form. Confirm the exact chemical identity, assay basis, and formulation requirement before selection.
Choose R-Alpha Lipoic Acid when:
Your project specifically requires the R-isomer of Alpha Lipoic Acid. This route is generally selected when R-ALA identity is part of the formulation specification, product positioning, or customer requirement.
Choose R-Alpha Lipoic Acid Sodium / Sodium R-Lipoate when:
Your project requires both R-form identity and a sodium salt form. This material may also be requested commercially as Sodium R-Lipoate, Na R-ALA, or NaRALA, so confirming the exact required specification is important before quotation or sampling.
Choose R-Alpha Lipoic Acid Tromethamine when:
Your formulation specifically calls for the tromethamine salt of R-Alpha Lipoic Acid. This is a specialized route and should normally be selected against a defined formulation, technical specification, or existing reference material.
RFQ Guidance
For a faster recommendation, please provide the required ALA form, intended application, target specification or reference COA/TDS if available, estimated quantity, and required documentation.
When to Contact Us
You need help matching the right grade/specification to your application.
You require a documentation package for compliance review (COA/MSDS/TDS and statements).
You are planning a bulk order and want to confirm MOQ, lead time, and shipping terms.
Compare
| Product Form | Chemical Route | When to Choose | Typical Project Fit | Key Confirmation |
|---|---|---|---|---|
| Alpha Lipoic Acid Powder | Standard ALA free-acid form | When no specific R-isomer or salt form is required | Capsules, tablets, powder blends, and general nutrition formulations | Assay, physical form, particle size, application, and documentation |
| Alpha Lipoic Acid Sodium Salt | Sodium salt of standard ALA | When the formulation or specification specifically requires an ALA sodium salt | Projects evaluating a sodium salt route instead of standard free-acid ALA | Exact chemical identity, assay basis, formulation requirement, and reference specification |
| R-Alpha Lipoic Acid | R-isomer free-acid form | When the project specifically requires R-ALA identity | R-isomer formulations, differentiated supplement concepts, and defined customer specifications | Purity, R-isomer requirement, assay method, and storage conditions |
| Sodium R-Lipoate / Na R-ALA | Sodium salt of R-Alpha Lipoic Acid | When both R-form identity and a sodium salt form are required | Formulation projects specifying Sodium R-Lipoate, Na R-ALA, or NaRALA | Exact specification, assay basis, chemical identity, application, and reference COA/TDS |
| R-Alpha Lipoic Acid Tromethamine | Tromethamine salt of R-ALA | When the project specifically calls for this defined salt form | Specialized formulation and technical sourcing projects | Reference specification, required assay, application, and technical documentation |
Application Paths
Alpha Lipoic Acid ingredients are used across supplement, nutrition, and formulation projects, but the required form should be confirmed against the finished dosage form, formulation system, target specification, and customer positioning rather than application name alone.
Dietary Supplements
For capsules, tablets, and other supplement formats, buyers commonly compare standard ALA and R-ALA first, then evaluate salt forms when the formulation or product specification specifically requires them.
Capsules, Tablets & Powder Blends
Confirm the required ALA form together with assay, particle characteristics, flow or blending requirements, and any processing considerations relevant to the finished dosage form.
Functional Nutrition & Custom Formulations
Projects with a defined technical specification may require comparison between free-acid and salt forms. A reference formula, existing COA/TDS, or target ingredient identity can help narrow the correct route more efficiently.
Specialized Formulation Projects
For projects specifying Sodium Lipoate, Sodium R-Lipoate, R-ALA Tromethamine, or another defined form, the exact chemical identity and target specification should be confirmed before sample or commercial quotation.
Factory & Capability
Facility



Packaging



Certifications & Compliance
Certificates and documents are available for customer review upon request.



Category Capability
Lifeworth supports Alpha Lipoic Acid sourcing across standard ALA, R-ALA, and selected salt forms, with supply coordination focused on product identification, specification review, batch documentation, packaging, sampling, and commercial export requirements.
Product & Specification Review
We help confirm the required chemical form, assay, physical presentation, and applicable specification before sampling or quotation.
Documentation Support
COA, SDS/MSDS, TDS, and available quality or regulatory statements can be provided according to the selected product and project requirements.
Sample & Batch Evaluation
Samples can be arranged for formulation, quality, or internal approval testing before commercial purchasing where applicable.
Packaging & Export Supply
Standard export packaging and bulk shipment arrangements are available, with packaging and logistics confirmed according to product form, order quantity, and destination market.
QC Focus for This Category
For Alpha Lipoic Acid materials, quality review should begin with correct product identity and specification matching. Depending on the selected form, buyers may need to confirm assay or purity, chemical identity, physical characteristics, moisture-related parameters, and form-specific analytical requirements against the applicable COA or agreed specification.
FAQ
What is the difference between Alpha Lipoic Acid and R-Alpha Lipoic Acid?
Alpha Lipoic Acid generally refers to the standard commercial ALA form, while R-Alpha Lipoic Acid specifically refers to the R-isomer. Buyers should select between them according to the required ingredient identity, formulation specification, product positioning, and customer requirements.
What is Sodium R-Lipoate or Na R-ALA?
Sodium R-Lipoate is the sodium salt of R-Alpha Lipoic Acid. It may also be described commercially as Na R-ALA, NaRALA, or R-Alpha Lipoic Acid Sodium Salt. The exact chemical identity and specification should be confirmed before quotation or sampling.
Is Alpha Lipoic Acid Sodium Salt the same as Sodium R-Lipoate?
No. Alpha Lipoic Acid Sodium Salt refers to the sodium salt of standard ALA, while Sodium R-Lipoate refers specifically to the sodium salt of R-Alpha Lipoic Acid. These should be treated as different sourcing routes and verified against the required specification.
Which Alpha Lipoic Acid form should I choose?
Standard ALA is usually the first route to evaluate when no specific R-isomer or salt form is required. R-ALA is selected when the R-isomer is specified, while sodium or other salt forms should be evaluated when required by the formulation or technical specification.
What information should I provide when requesting a quotation?
Please provide the required ALA form, intended application, target assay or specification, estimated quantity, destination country, and any reference COA or TDS if available. This helps us confirm the suitable product route and quotation more efficiently.
Can you provide samples and technical documents?
Yes. Samples and available documentation such as COA, SDS/MSDS, and TDS can be arranged according to the selected product and project requirements.