NADVance® NAD+ Precision Pen Batch Audit
Full-panel independent laboratory audit confirming purity assays via HPLC, endotoxin limits, sterility assurance, particulate matter compliance, and structural integrity.

CORE ANALYTICAL METHODOLOGIES
High-Performance Liquid Chromatography (HPLC)
Separates and isolates individual chemical species in a pressurized column, verifying absolute chemical purity standards exceeding 99.0%.
Electrospray Ionization Mass Spectrometry (ESI-MS)
Measures molecular mass-to-charge ratio with single-dalton resolution, certifying the exact peptide molecular weight and amino acid sequencing.
Endotoxin Testing (Turbidimetric LAL)
Quantifies bacterial endotoxins to guarantee ultra-clean standards strictly below pharmaceutical-grade research limits (< 0.05 EU/mg).
Independent Labdoor Batch Validation
Third-party blind testing conducted by Labdoor in ISO/IEC accredited laboratories, verifying label accuracy, sterility, and absence of heavy metals.
How to Request a Lot-Specific Batch Certificate
Every dispatched vial, powder aliquot, or device cartridge carries an embossed or printed Lot/Batch Number on the secondary and primary packaging (e.g., LOT-NAD-2026-B04).
Locate Batch Code
Find the 8-12 character code printed on the vial label or packaging base.
Contact Operations
Message our laboratory desk or email compliance@l-essence.com.
Receive PDF Assay
Instant dispatch of the raw analytical chromatogram and spectral data.