What is Nicotinamide Riboside?
Nicotinamide Riboside (NR) is a naturally occurring form of vitamin B3 and a key precursor of nicotinamide adenine dinucleotide (NAD⁺), a coenzyme involved in cellular energy metabolism and mitochondrial function. Small amounts of NR are found in foods like milk and yeast, but commercial NR for supplements is produced through controlled synthesis for high purity. The main form used in supplements is Nicotinamide Riboside Chloride (NR chloride) with CAS No. 23111-00-4, molecular formula C11H15N2O5Cl, and molecular weight 290.70 g/mol. High-quality NR has a purity of at least 99% (HPLC) and appears as a white to off-white powder or granular powder. It is highly soluble in water, allowing efficient formulation in dietary supplements. NR is valued for its bioavailability, as it is efficiently converted into NAD⁺ through the body’s NAD⁺ salvage pathway. Commercial products are supplied in 25 kg fiber drums with double PE bags for bulk distribution. Cima Science is a leading bulk Nicotinamide Riboside powder supplier in China, providing high-purity NR chloride for nutraceutical manufacturers worldwide. We also offer OEM supplement services, including capsules, tablets, powders, and customized formulations.
In the dietary supplement market, several Nicotinamide Riboside derivatives have been developed to improve stability or formulation compatibility, including Nicotinamide Riboside Chloride, Nicotinamide Riboside Malate, and Nicotinamide Riboside Hydrogen Malate. Among these derivatives, Nicotinamide Riboside Chloride (NR chloride) remains the most widely used and commercially available form. This salt form offers excellent chemical stability, high purity, good water solubility, and reliable bioavailability, making it well-suited for large-scale nutraceutical manufacturing. Because of these advantages, NR chloride is the dominant form used in NAD⁺ booster supplements and is commonly supplied as a powder or granular powder for capsule filling, tablet compression, and dietary supplement blends.
Nicotinamide Riboside Granules vs NR Powder
Nicotinamide Riboside Chloride is commercially supplied in two forms: fine powder (80-200 mesh) and granular powder (20–60 mesh). Both contain the same active ingredient, but the granular form offers several advantages for supplement manufacturing.
| Form | Particle Size | Manufacturing Characteristics |
| Nicotinamide Riboside Powder | Fine powder (usually 80–200 mesh) | Faster dissolution but more dust and lower bulk density |
| Nicotinamide Riboside Granules | 20–60 mesh | Better flowability, improved stability, easier capsule filling |
Advantages of Nicotinamide Riboside Granules
Improved Thermal Stability
Higher Bulk Density
- Improve capsule filling efficiency.
- Achieve more uniform tablet compression.
- Reduce material loss during processing.
Better Flowability for Production
- Smooth flow through production equipment
- More consistent blending
- Reduced clogging during capsule filling
Reduced Moisture Absorption
- Improved product stability
- Reduced risk of clumping or caking
- Better shelf stability
Reduced Dust During Processing
- Capsule filling
- Tablet compression
- Powder blends
- Large-scale supplement production

Where to buy bulk NR granules?
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