Supplying certified biological active compounds, micronized botanicals, and high-titer natural matrices with comprehensive ISO22000, HACCP, and SGS validated Certificates of Analysis (COA).
USDA Organic
Private Label
Assay E25
100% Soluble
Food Grade
EU Compliant
100% Natural
OEM Standard
A definitive technical assessment of Nicotinamide Adenine Dinucleotide (NAD+) bioavailability, manufacturing purity profiles, and localized application across the Dominican Republic's primary manufacturing corridor.
Beta-Nicotinamide Adenine Dinucleotide (CAS: 53-84-9) synthesized through multi-stage biocatalytic immobilization guarantees absolute isomeric purity over classic chemical routes. Chemical synthesis frequently yields chiral impurities, including inactive alpha-NAD+ stereoisomers that competitively antagonize active cell membrane receptors.
Our enzymatic synthesis utilizes highly purified recombinant enzymes, yielding an assay exceeding ≥99.0% by HPLC with non-detectable residual pyridine derivatives, safeguarding compliance for parenteral and oral dosage compounding.
Operating within the Dominican Republic requires strict mitigation against hygroscopic hydrolysis. The high relative humidity (>75%) and ambient temperatures in the Cibao Valley accelerate the conversion of pure NAD+ into nicotinamide and ADP-ribose if unprotected.
Vexli supplies crystalline, low-hygroscopicity lyophilized powder vacuum-sealed with dual-layer aluminum composite barrier films, desiccant liners, and optional cold-chain packaging (2–8°C) ensuring raw material viability from customs release to compounding vessels.
Santiago de los Caballeros hosts the Dominican Republic's premier medical device and pharmaceutical manufacturing clusters within the Víctor Espaillat Mera Industrial Park (PIVEM). Local manufacturers are aggressively expanding beyond classic contract assembly into advanced longevity formulations.
By importing standardized NAD+, local compounding pharmacies, private-label innovators, and wellness centers capture high-margin export markets across CARICOM and Central America under favorable trade treaties.
Navigating the General Directorate of Medicines, Food, and Health Products (DIGEMAPS) requires rigorous technical documentation. Importers and contract formulators in Santiago de los Caballeros must establish lot traceability, validated shelf-life kinetic studies, and verifiable absence of Class 1 and Class 2 residual solvents under USP <467> standards.
Xi'an Vexli Bio-Tech coordinates directly with local QA teams to deliver batch-specific HPLC chromatograms, elemental impurity analyses (ICP-MS) complying with USP <232>/<233>, and microbial pathogen screening (Salmonella, E. coli, Staphylococcus aureus) certified under ISO 22000 protocols. This documentation expedites sanitary registration procedures, preventing customs retention at Las Américas or Cibao International Airport.
From medical tourism hubs in the Northern Corridor to compounding facilities serving metropolitan Santo Domingo, NAD+ drives next-generation therapeutic delivery.
Premium aesthetic clinics and regenerative medical centers in Santiago, Gurabo, and Puerto Plata formulate lyophilized NAD+ vials for intravenous infusion protocols targeting cellular repair, addiction recovery, and neuro-restoration.
Dominican supplement manufacturers target regional Caribbean health markets by stabilizing NAD+ with bio-enhancers (Resveratrol, PQQ, Apigenin) into acid-resistant enteric capsules that bypass gastrointestinal degradation.
Formulators leverage NAD+'s enzymatic modulation of PARP1 and sirtuins in topically applied serums designed to reverse UV-induced photoaging, solar elastosis, and barrier breakdown exacerbated by tropical Caribbean exposure.
Strict chromatographic and physicochemical release limits established for bulk commercial supply.
| Analytical Parameter | Methodology | Acceptance Criteria | Vexli Typical Batch Result | Status |
|---|---|---|---|---|
| Assay Purity (β-NAD+) | HPLC (High Performance Liquid Chromatography) | ≥ 98.0% (anhydrous) | 99.35% – 99.60% | Complies |
| Physical Appearance | Organoleptic Inspection | White to light yellowish crystalline powder | Conforms (Pure White) | Complies |
| Solubility Profile | In Vitro Dissolution (100 mg/mL in H2O) | Clear, transparent solution; no particulate | Instant clarity (<10s) | Complies |
| Moisture Content (LOD) | Karl Fischer / Loss on Drying | ≤ 6.0% | 3.15% | Complies |
| Heavy Metals (Pb, As, Cd, Hg) | ICP-MS (Inductively Coupled Plasma) | ≤ 10.0 ppm Total | < 1.5 ppm Total | Complies |
| Residual Solvents | Gas Chromatography (GC-FID) | USP <467> Class 2 & 3 Limits | Undetected / Far Below Limits | Complies |
| Total Aerobic Microbial Count | USP <61> Microbial Enumeration | ≤ 1,000 CFU/g | < 100 CFU/g | Complies |
| Yeast & Mold Count | USP <61> Microbial Enumeration | ≤ 100 CFU/g | < 20 CFU/g | Complies |
Pioneering direct origin extraction, patented bioreactor separation, and international supply chain governance from Shaanxi to the world.
Fully assessed on-site by SGS for quality management, production capacity, and analytical consistency. Trusted direct supplier to Fortune 500 nutraceutical leaders.
Supported by 25 audited partner production centers across China, enabling centralized specification management and competitive price stability year-round.
Holding breakthrough utility model patents and invention patents (including ZL 2014 1 0464649.9) for specialized molecular extraction and low-temperature stabilization.
Comprehensive door-to-door (DDP) logistics managing customs clearance, multimodal air cargo into STI (Santiago) / SDQ (Santo Domingo), and seaport handling at Rio Haina.
Essential technical, regulatory, and commercial answers for purchasing managers and laboratory scientists.
Our standard MOQ for Nicotinamide Adenine Dinucleotide (NAD+) powder starts at just 1 kg, packaged in aluminum barrier vacuum foil bags. For pilot compounding trials and R&D formulation batches, qualified research facilities and licensed laboratories in Santiago can request sample units of 100g to 500g prior to commercial contracts.
NAD+ is inherently thermolabile and hygroscopic. We use triple-barrier protection comprising food-grade polyethylene inner vacuum bags, specialized desiccant packs, and outer multi-layer laminated aluminum foil shields. Shipments destined for Cibao International Airport (STI) or Puerto Plata (POP) can be dispatched via temperature-controlled air freight with insulated cold-pack shippers upon customer request.
Every single batch is dispatched with an authentic, lot-specific Certificate of Analysis (COA) displaying exact HPLC assay values, complete heavy metal screens (Pb, As, Cd, Hg), microbiological enumerations, and residual solvent quantification. We also provide Material Safety Data Sheets (MSDS), technical specification sheets, and non-animal origin/allergen declarations required by Dominican customs authorities.
Yes. In addition to supplying bulk raw active pharmaceutical ingredients (APIs), Xi'an Vexli Bio-Tech provides end-to-end OEM and private label services. We offer custom jet-milling to achieve specific mesh sizes (80 to 450 mesh) for optimized capsule filling rates, synergistic ingredient pre-blends, and retail-ready finished packaging in bottle, sachet, or blister formats.
We support international procurement via Wire Transfer (T/T), Letter of Credit (L/C at sight), PayPal for sample orders, and Credit Card escrow arrangements. Delivery terms are flexible, covering EXW, FOB China ports, CIF Dominican sea ports (Caucedo/Rio Haina), and full DDP express courier directly to your facility in Santiago de los Caballeros.
Under sealed original container conditions, our β-NAD+ carries a certified 24-month shelf life. We recommend long-term storage in temperature-controlled warehouses at -20°C for optimal enzymatic potency preservation. Short-term working storage at 2°C to 8°C in desiccated refrigeration units is fully acceptable for active compounding operations.
Direct factory pricing, strict HPLC ≥ 99% validation, low minimums from 1 kg, and seamless delivery to Santiago de los Caballeros and greater Dominican Republic markets.
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