N-Acetyl L-Cysteine Supplier & Bulk NAC Powder Manufacturer
Gensei supplies N-Acetyl L-Cysteine Powder, also known as NAC, N-Acetylcysteine or Acetylcysteine, for supplement ingredient projects, capsules, tablets, powder blends, nutrition powders, drink powders and custom premix manufacturing. We support supplement brands and contract manufacturers with bulk supply, COA, specification sheet, sample availability, documentation review and global B2B sourcing support.
Product Highlights
- Bulk N-Acetyl L-Cysteine raw material for supplement ingredient sourcing
- Available as white to off-white crystalline powder or free-flowing powder
- Suitable for capsules, tablets, powder blends, drink powders, nutrition powders and custom premixes
- Food-grade, supplement-grade or customized specification options available according to requirement
- COA, specification sheet, SDS and technical documents available for qualified buyers
- Bulk packaging, sample support and export coordination available
- Target-market compliance review is recommended before finished product launch
What Is N-Acetyl L-Cysteine Powder?
N-Acetyl L-Cysteine powder is a cysteine derivative used in supplement ingredient and functional nutrition product development.
N-Acetyl L-Cysteine Powder, commonly abbreviated as NAC, is an acetylated form of L-cysteine used in supplement ingredient sourcing and formulation projects. It is typically supplied as a white to off-white crystalline powder and used in capsules, tablets, powder blends, drink powders, nutrition powders and custom premixes. For B2B procurement, buyers usually evaluate NAC by assay, identity, grade, particle size, odor profile, solubility, heavy metals, microbiology, documentation, packaging, stability and destination market requirements.
Cysteine Derivative
N-Acetyl L-Cysteine is used as a supplement ingredient in capsules, tablets, powder blends and functional nutrition formulations.
Clear Technical Identity
N-Acetyl L-Cysteine has CAS 616-91-1, formula C5H9NO3S and molecular weight about 163.20 g/mol.
Supplement Supply Focus
Gensei focuses on B2B raw material supply for supplement brands, OEM factories and contract manufacturers.
N-Acetyl L-Cysteine Specification Options
Final specifications depend on grade, assay, particle size, packaging and destination market requirements.
| Parameter | Typical Options |
|---|---|
| Product Category | N-Acetyl L-Cysteine Powder / NAC Supplement Ingredient |
| Main Form | N-Acetyl L-Cysteine |
| Common Synonyms | N-Acetyl-L-Cysteine, N-Acetylcysteine, Acetylcysteine, NAC, N-Acetyl Cysteine, L-Cysteine N-Acetyl Derivative |
| CAS No. | 616-91-1 |
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.20 g/mol |
| Typical Appearance | White to off-white crystalline powder or free-flowing powder |
| Typical Assay | 98%, 98.5%, 99% or customized according to purchase specification and batch COA |
| Grade Options | Food grade, supplement grade or customized grade according to project requirements and target-market review |
| Common Applications | Capsules, tablets, powder blends, drink powders, nutrition powders, custom premixes and supplement ingredient projects |
| Testing Items | Assay, identification, specific rotation, loss on drying, residue on ignition, heavy metals, microbial limits, related substances and particle size upon request |
| Documents | COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement and technical documents upon request |
| Packaging | 1 kg, 5 kg, 10 kg, 20 kg, 25 kg bag/carton/drum or customized bulk packaging |
| Storage | Store in a cool, dry, sealed environment. Avoid heat, moisture, direct sunlight and repeated exposure to humid air. |
Note: This table is for B2B sourcing reference. Final specification, assay, grade, packaging, shelf life and documentation should be confirmed according to the actual batch, purchase agreement and destination market requirements.
N-Acetyl L-Cysteine vs. L-Cysteine
N-Acetyl L-Cysteine and L-Cysteine are related sulfur-containing ingredients, but they differ in structure, positioning and formulation use.
| Item | N-Acetyl L-Cysteine | L-Cysteine |
|---|---|---|
| Composition | Acetylated derivative of L-cysteine | Free-form sulfur-containing amino acid |
| Common Abbreviation | NAC | Cys |
| Typical Positioning | Selected for supplement ingredient projects where NAC identity is required | Selected for formulas requiring L-cysteine or amino acid ingredient positioning |
| Supplement Applications | Capsules, tablets, powder blends, drink powders and custom premixes | Capsules, tablets, amino acid blends, food or supplement projects depending on specification |
| Buyer Note | Confirm CAS, assay, grade, odor profile, COA and target-market regulatory status before bulk sourcing | Do not substitute for NAC unless the formula, label and specification allow it |
Applications in Supplement Products
Gensei supplies N-Acetyl L-Cysteine primarily for supplement ingredient projects, OEM formulas and functional nutrition products.
Why Choose Gensei as Your NAC Supplier?
Gensei provides procurement-oriented support for supplement brands and contract manufacturers sourcing N-Acetyl L-Cysteine powder.
Supplement-Focused Supply
Our NAC ingredient support is focused on supplement formulas, capsules, tablets, powder blends, drink powders, private label projects and premixes.
Specification Matching
Gensei can discuss assay, grade, appearance, particle size, odor profile and packaging options according to finished-product requirements.
Document Support
COA, specification sheet, SDS, TDS, allergen statement and other technical documents can be provided for qualified B2B buyers.
Application Matching
We help match raw material attributes with capsules, tablets, powder blends, drink powders and custom premix applications.
Bulk Packaging
Bulk packaging can be arranged according to specification, order quantity, stability needs and shipping requirements.
Global Supply Support
Gensei supports international buyers with quotation, sample coordination, documentation and export shipment planning.
Quality Control & Documentation
For N-Acetyl L-Cysteine raw material purchasing, batch documentation and quality testing are essential for supplier evaluation.
Batch COA
Certificate of Analysis can be provided to verify key batch parameters such as assay, identification and quality limits.
Specification Sheet
Technical specifications help your R&D, purchasing and quality teams evaluate suitability before bulk purchase.
Safety & Handling
SDS and storage information can support internal handling, warehousing and supplement production planning.
N-Acetyl L-Cysteine powder should be protected from moisture and stored in unopened original packaging under cool, dry conditions. Buyers should confirm assay method, grade, related substances, odor profile, impurity limits, shelf life, packaging and storage conditions before placing bulk orders.
Bulk Ordering Process
Gensei helps supplement buyers move from specification review to quotation, sampling and shipment.
Frequently Asked Questions
Common questions from supplement brands, OEM manufacturers, contract manufacturers and ingredient buyers.
What is N-Acetyl L-Cysteine powder?
N-Acetyl L-Cysteine powder, also known as NAC or N-Acetylcysteine, is an acetylated derivative of L-cysteine used in supplement ingredient projects, capsules, tablets, powder blends, drink powders and nutrition powders.
What is the CAS number of N-Acetyl L-Cysteine?
The CAS number of N-Acetyl L-Cysteine is 616-91-1. Final confirmation should follow the actual specification and batch COA.
What is the molecular formula of NAC?
The molecular formula of N-Acetyl L-Cysteine is C5H9NO3S, and its molecular weight is about 163.20 g/mol.
What grades of N-Acetyl L-Cysteine can Gensei supply?
Gensei can discuss food-grade, supplement-grade or customized N-Acetyl L-Cysteine options according to your target market, finished dosage form and documentation requirements.
Is N-Acetyl L-Cysteine suitable for supplement products?
N-Acetyl L-Cysteine is used in supplement ingredient projects in some markets. Buyers should review destination-market regulations, product claims, label language and finished-product compliance before launch.
What is the difference between NAC and L-Cysteine?
NAC is an acetylated derivative of L-cysteine, while L-Cysteine is the free-form amino acid. Buyers should not substitute one for the other unless the formula, label and specification allow it.
Can NAC be used in capsules or tablets?
Yes, selected NAC specifications may be used in capsules or tablets. The final choice should consider assay, odor profile, particle size, flowability, excipient compatibility and stability.
Can I request COA and specification before ordering?
Yes. Qualified B2B buyers can request COA, specification sheet, SDS and related technical documents before placing a bulk order.
What is the MOQ for N-Acetyl L-Cysteine powder?
MOQ depends on grade, assay, packaging, stock status and destination market. Please contact Gensei with your required specification and purchase quantity for a detailed quotation.
How should NAC powder be stored?
N-Acetyl L-Cysteine powder should generally be stored in a cool, dry and sealed environment. Avoid moisture, heat and direct sunlight to help maintain quality.
Do you supply NAC for medical or pharmaceutical use?
This page is focused on B2B supplement ingredient sourcing. If your project involves pharmaceutical, medical food or regulated therapeutic applications, please confirm the required grade, documentation and regulatory pathway separately.
Source Bulk N-Acetyl L-Cysteine Powder from Gensei
Looking for an NAC supplier or bulk N-Acetyl L-Cysteine powder manufacturer for supplement ingredient projects? Contact Gensei to request quotation, COA, specification sheet, MOQ, sample availability and global shipping support.
Disclaimer: This product information is intended for B2B supplement ingredient sourcing and formulation reference only. It is not intended to diagnose, treat, cure or prevent any disease. NAC regulatory status may vary by destination market. Final supplement claims, dosage, labeling, warning statements, product classification and market compliance should be reviewed according to applicable regulations in the destination market.