Nicotinamide Riboside Chloride Guide for Bulk Buyers

Nicotinamide Riboside Chloride, commonly known as NR Chloride or NR-Cl, is a water soluble NAD+ precursor used in dietary supplement development, nutraceutical formulations, cosmetic research, and biochemical studies. For companies sourcing NR Chloride as a raw material, the key purchasing questions are usually practical: chemical identity, assay, impurity control, moisture sensitivity, storage conditions, documentation, packaging, sample availability, and consistency between commercial batches.

Shanghai Vincoubio Technology Co., Ltd. supplies Nicotinamide Riboside Chloride for international B2B customers and supports sample evaluation, technical documentation, and bulk purchasing requirements.

What Is Nicotinamide Riboside Chloride

Nicotinamide Riboside Chloride is the chloride salt form of Nicotinamide Riboside, a vitamin B3 related compound and NAD+ precursor. It is also referred to as NR Chloride, NR-Cl, or β-Nicotinamide Riboside Chloride.

The product has CAS 23111-00-4, molecular formula C11H15ClN2O5, and molecular weight 290.70 g/mol. The supplied material is described as a white to off-white crystalline powder with high water solubility.

NR has become an important research subject because it can contribute to NAD+ biosynthesis. Scientific reviews describe NR and NMN as NAD+ precursors and discuss their metabolism, dietary relevance, and ongoing research applications.

For commercial purchasing, however, it is important to distinguish the scientific identity of NR from the specific raw material being ordered. Nicotinamide Riboside Chloride should be clearly identified by its chemical name and CAS number on specifications, purchase orders, COAs, and shipping documents.

Nicotinamide Riboside Chloride Specifications

A reliable NR Chloride specification should provide more information than an assay value alone. For commercial raw material evaluation, buyers normally need to understand the chemical identity, physical appearance, purity, impurity limits, microbiological requirements, and storage conditions.

The available product documentation also specifies microbiological limits and residual solvent requirements, providing a broader quality-control framework for commercial NR Chloride batches.

For procurement teams, this distinction matters. A high HPLC assay does not by itself describe the complete quality profile of a raw material. Moisture, inorganic residues, heavy metals, microbiological quality, and residual solvents may also need to be reviewed against the specification required for the intended application.

NR Chloride and NAD Plus Metabolism

NR is one of several compounds being investigated as a precursor for NAD+ biosynthesis.

A simplified pathway is:

NR → NMN → NAD+

NR can be converted through the NR kinase pathway to NMN, which then participates in NAD+ biosynthesis. Scientific reviews describe NR and NMN as NAD+ precursors while also emphasizing that NAD+ metabolism involves multiple pathways and cellular compartments.

This distinction is useful when comparing Nicotinamide Riboside vs NMN. Both are NAD+ precursor ingredients, but they are different chemical entities with different positions within the biosynthetic pathway.

For manufacturers, the choice between NR and NMN should therefore be based on the intended formulation, raw material specification, stability requirements, regulatory considerations, and overall product concept rather than treating them as identical ingredients.

Applications of NR Chloride

NR Chloride for Dietary Supplements

NR Chloride is used as an NAD+ precursor ingredient in dietary supplement development. Research has examined oral NR supplementation, NAD+ metabolism, safety, pharmacokinetics, and potential physiological effects in humans.

For supplement manufacturers, practical raw material requirements may include:

• High assay
• Defined impurity limits
• Batch-specific COA
• Moisture control
• Suitable packaging
• Consistent appearance
• Reliable bulk supply

The appropriate finished-product use and labeling requirements should always be evaluated according to the regulations applicable in the target market.

NR Chloride for Nutraceuticals

Nutraceutical manufacturers may use NR Chloride as a raw material for different formulation formats, including powder and solid dosage products.

The product keyword and application data identify dietary supplements, nutraceuticals, functional foods, and related health-oriented formulations as relevant application areas for NR Chloride.

When developing a commercial formulation, manufacturers should evaluate the complete raw material specification rather than relying only on the advertised purity.

NR Chloride for Cosmetics

NR Chloride is also listed for cosmetic and skin care applications involving NAD+ related research.

For cosmetic raw material sourcing, factors such as purity, water solubility, moisture control, packaging, storage, and documentation are practical considerations. Any finished cosmetic claim should be supported by the appropriate formulation and regulatory assessment.

NR Chloride for Research

NR Chloride can also be supplied as a research raw material for studies involving NAD+ metabolism and related biochemical pathways.

Scientific literature continues to investigate NAD+ precursors in human health and disease, while recent reviews also emphasize that important questions remain regarding NAD+ biology, tissue-specific metabolism, precursor availability, and translation from research findings to practical applications.

For research customers, analytical documentation and batch traceability can therefore be as important as the headline purity value.

NR Chloride Stability and Storage

Moisture control is an important handling consideration for Nicotinamide Riboside Chloride.

The available product data describes NR Chloride as a crystalline powder with some hygroscopicity. The recommended storage approach is to keep the material sealed, dry, protected from light, and refrigerated at 2–8°C. For long-term storage, the product information recommends -20°C conditions. After opening, nitrogen-flushed resealing and prompt use are recommended.

The same product information indicates:

• Unopened powder: 2–8°C, sealed, dry and light protected
• Opened material: reseal under nitrogen and keep at 2–8°C
• Long-term storage: -20°C
• Short-term transportation: protected from light at temperatures up to 25°C
• Long-distance or high-temperature transportation: 2–8°C cold-chain shipping with cold packs

The exact storage and transportation requirements should be confirmed against the current product specification and batch documentation before shipment.

For a bulk shipment, packaging should be considered part of the quality-control process. A moisture-sensitive powder can be affected by repeated exposure to humid air, particularly after opening. Good warehouse practice therefore includes minimizing unnecessary opening, resealing the remaining material promptly, and avoiding repeated temperature fluctuations.

What to Check Before Ordering Bulk NR Chloride

A sample order is useful for evaluating a new Nicotinamide Riboside Chloride supplier, but commercial qualification should go beyond checking whether the powder appears acceptable.

1. Confirm the Chemical Identity

The purchase specification should identify:

• Nicotinamide Riboside Chloride
• NR Chloride or NR-Cl
• CAS 23111-00-4
• Molecular formula
• Molecular weight

This helps prevent confusion between NR Chloride and other NR salt forms.

2. Review the COA

The COA should correspond to the actual commercial batch being supplied. Buyers should check the lot number, test date, analytical methods, assay, moisture-related parameters, impurities, and applicable microbiological or elemental testing.

3. Check the HPLC Result

An advertised 99% NR Chloride powder should not be evaluated solely from a website description. The commercial batch should be supported by appropriate analytical data and a batch-specific COA.

4. Review Moisture and Storage Requirements

Because NR Chloride has some hygroscopicity, buyers should understand how the material is packaged and stored before shipment and after receipt.

5. Request a Sample Before a Large Order

The source information supports a 1 kg MOQ, with 10–50 g samples available for evaluation, with shipping costs paid by the customer.

A sample can be used to evaluate the material against the buyer’s internal specification before committing to a larger purchase.

6. Confirm Commercial Documentation

Depending on the application and destination market, buyers may request:

• COA
• SDS or MSDS
• Product specification
• Batch information
• Heavy metal testing
• Microbiological testing
• Residual solvent information
• Certificate or registration documents where applicable

Not every market requires the same documentation, so the document package should be agreed before shipment.

NR Chloride Buyer Checklist

For purchasing teams, the following checklist provides a practical starting point:

This type of checklist is particularly useful when comparing several NR Chloride suppliers because it puts different quotations on the same technical basis.

NR Chloride vs NR Malate and NR Tartrate

Nicotinamide Riboside is available in different salt forms, including NR Chloride, NR Malate, and NR Tartrate.

Your current product portfolio identifies:

The three forms should not be compared simply by asking which one is “best.” The more useful question is which form fits the intended formulation and supply chain.

NR Chloride is the established chloride form and is documented in your product data as somewhat hygroscopic. NR Malate and NR Tartrate are alternative salt forms with different physical and handling characteristics. Your internal product information positions NR Malate and NR Tartrate as alternatives where stability and formulation considerations may influence the selection.

For a manufacturer, the practical comparison should include:

• Chemical form
• Assay
• Moisture behavior
• Water solubility
• Stability
• Dosage form
• Packaging
• Storage
• Transportation
• Total raw material cost

A dedicated comparison of the three NR salt forms can provide a more detailed basis for formulation decisions.

Quality Documents for Bulk NR Chloride

A professional B2B raw material supply process should make it straightforward for buyers to review product quality.

For NR Chloride, the key documentation may include a Certificate of Analysis, SDS or MSDS, product specification, batch information, and relevant analytical testing records.

The source documentation for Vincoubio’s biotechnology product portfolio also identifies COA, SDS, heavy metal testing, microbiological records, and customized documentation for international customers as part of its broader supply capability.

For regulated applications, documentation requirements can differ substantially between markets and end uses. Buyers should therefore provide their intended application and destination market when requesting a quotation or technical package.

Bulk NR Chloride Supply from Vincoubio

Shanghai Vincoubio Technology Co., Ltd. supplies Nicotinamide Riboside Chloride as part of a broader NAD+ precursor portfolio.

The related product range includes:

• Nicotinamide Riboside Chloride
• Nicotinamide Riboside Malate
• Nicotinamide Riboside Tartrate
• NMN
• NAD+
• NADP+
• NADH
• NADPH

The advantage for B2B buyers is that related NAD+ ingredients can be evaluated within the same product category instead of sourcing every material from a separate supplier. The company information also supports sample evaluation, COA and SDS documentation, and customized packaging requirements.

For a new supplier qualification, a practical process is:

Sample evaluation → specification review → COA verification → packaging and storage confirmation → trial order → commercial batch qualification.

This approach allows the buyer to assess both product quality and supply consistency before moving to larger volumes.

Scientific Background and Research Considerations

NAD+ research has expanded considerably, but the scientific picture is more nuanced than a simple “NAD+ booster” message.

A 2024 review in Nature Reviews Molecular Cell Biology notes that NAD+ has important roles in metabolism and cellular signaling, while also highlighting unresolved questions concerning NAD+ metabolism, cellular compartments, precursor availability, microbiome interactions, and the limitations of NAD+ supplementation research.

Human studies have investigated oral NR supplementation and its effects on NAD+ related biomarkers and other physiological outcomes. For example, a randomized controlled study in overweight adults evaluated NR safety and metabolism, while later clinical research has continued to investigate specific health outcomes.

For ingredient suppliers and manufacturers, the distinction between research evidence and finished-product claims is important. NR Chloride can accurately be described as an NAD+ precursor and raw material for nutraceutical, cosmetic, and research applications. Specific disease-treatment, disease-prevention, or guaranteed anti-aging claims require separate scientific and regulatory substantiation.

Frequently Asked Questions

What is Nicotinamide Riboside Chloride?

Nicotinamide Riboside Chloride is the chloride salt form of Nicotinamide Riboside and is used as an NAD+ precursor raw material in dietary supplement, nutraceutical, cosmetic, and research applications.

What is the CAS number of NR Chloride?

The CAS number of Nicotinamide Riboside Chloride is 23111-00-4.

What is the molecular weight of NR Chloride?

The molecular weight of Nicotinamide Riboside Chloride is 290.70 g/mol.

Is NR Chloride water soluble?

Yes. The product documentation describes NR Chloride as highly soluble in water, with reported solubility of at least approximately 100 mg/mL.

How should NR Chloride be stored?

The current product information recommends sealed, dry, light-protected storage at 2–8°C, with -20°C recommended for long-term storage. Opened material should be resealed promptly, with nitrogen flushing recommended.

What is the difference between NR Chloride and NMN?

NR Chloride and NMN are different NAD+ precursor compounds. NR can enter the NR kinase pathway and be converted to NMN before subsequent NAD+ biosynthesis. Scientific literature discusses both compounds as NAD+ precursors but does not treat them as chemically identical materials.

What should I request from an NR Chloride supplier?

For a commercial evaluation, buyers should normally request the product specification, batch COA, SDS or MSDS, relevant analytical data, packaging information, storage requirements, MOQ, and sample availability.

Can I order an NR Chloride sample before bulk purchasing?

Yes. The current product information supports 10–50 g samples for evaluation, with shipping costs paid by the customer. The stated MOQ is 1 kg.

What should I check when comparing NR Chloride suppliers?

Compare suppliers using the same criteria: chemical identity, HPLC assay, impurity profile, moisture control, analytical documentation, packaging, storage, MOQ, sample availability, lead time, and batch consistency.

Scientific References

NAD+ Precursors Nicotinamide Mononucleotide and Nicotinamide Riboside: Potential Dietary Contribution to Health — PubMed, 2023. View the PubMed research

Regulation of and challenges in targeting NAD+ metabolism — Nature Reviews Molecular Cell Biology, 2024. View the Nature review

NAD+ Precursors in Human Health and Disease: Current Status and Future Prospects — PubMed, 2023. View the PubMed review

Preclinical and clinical evidence of NAD+ precursors in health, disease, and ageing — PubMed. View the PubMed review

Safety and Metabolism of Long-term Administration of Nicotinamide Riboside — PubMed. View the clinical study