Ships directly from our EU Domestic Warehouse — 3–6 business days. No customs clearance required.
≥99%
Verified Purity
3
Days to Spain
COA
On Every Vial
Why Researchers in Spain Order NAD+ from QSC
QSC maintains a dedicated EU Domestic Warehouse, meaning your order ships domestically — no customs, no import delays. Ships from our EU warehouse — no customs or import delays within Spain.
Every vial of NAD+ is produced via solid-phase peptide synthesis (SPPS), verified at ≥99% purity by HPLC and mass spectrometry, and ships with a Certificate of Analysis linked to independent Janoshik verification. Typical delivery to Spain: 3–6 business days.
Shipping Details for Spain
Warehouse
EU Domestic Warehouse
Delivery Time
3–6 business days
Customs
Ships from our EU warehouse — no customs or import delays within Spain.
Tracking
Full tracking provided via email after shipment
Payment
Bitcoin (BTC) or USDT ERC-20
NAD+: Research Background
Mechanism of Action: NAD+ is an essential coenzyme in cellular metabolism, serving as electron carrier in oxidative phosphorylation and as substrate for sirtuin deacetylases and PARP DNA repair enzymes. Levels decline with age.
Research Applications: Sirtuin activation, mitochondrial bioenergetics, DNA repair pathway studies, cellular aging and senescence research.
Storage & Reconstitution
Storage: Store at -20°C, protected from light. Highly hygroscopic — use within 24h of reconstitution.
Reconstitution Protocol: Add sterile/bacteriostatic water per vial specification. Use immediately for best stability.
Quality Verification
Every QSC NAD+ batch undergoes: HPLC purity analysis (≥99% specification) · Mass spectrometry molecular verification · Impurity profiling · Batch traceability to published COA.
Certificates of Analysis are published on the product page and independently verifiable via the Janoshik testing portal.
Related Research Compounds
Researchers studying NAD+ frequently also investigate: SS-31, Epitalon, FOXO4-DRI, 5-Amino-1MQ. View the full QSC catalog for complete availability from the EU Domestic Warehouse.
Frequently Asked Questions
Is NAD+ legal to buy in Spain?
NAD+ is sold strictly for laboratory research purposes only. Researchers in Spain are responsible for understanding applicable local regulations before ordering.
How long does shipping to Spain take?
Orders ship from the EU Domestic Warehouse. Typical delivery to Spain: 3–6 business days. Ships from our EU warehouse — no customs or import delays within Spain.
How is NAD+ purity verified?
HPLC purity analysis, mass spectrometry molecular verification, and impurity profiling. COA published on product page, verifiable via Janoshik.
What payment methods are accepted for Spain orders?
Bitcoin (BTC) and USDT (ERC-20). Order confirmation and tracking sent by email after shipment.
What sizes of NAD+ are available?
QSC offers NAD+ in multiple vial sizes to support different research scales. View current options and pricing below.
Research Use Only: All products sold on qscpeptide.com are intended strictly for laboratory research purposes only. They are not approved for human consumption, veterinary use, or any other application. Researchers are responsible for understanding and complying with local regulations in their jurisdiction.
