Redefine your
research protocol
with verified purity.
High-purity peptides, NAD+ delivery systems, and analytical reference compounds synthesized for scientific precision. Independently verified by Labdoor with batch-level Certificates of Analysis.
≥99.3% HPLC Purity
Quantitative sequence & purity verification on every batch.
Labdoor & ISO 17025 CoA
Independent third-party analytical certificates included.
24h Cold-Chain Dispatch
Temperature-controlled UK & European laboratory fulfilment.
1:1 Scientific Support
Direct researcher assistance & RUO protocol documentation.
Verified Partner Compounds
NADVance® NAD+ Pen Kit (1000mg)
Pre-dosed Dual-Chamber Pen · Labdoor Certified
Core Biotech GHK-Cu Research Pen (50mg)
Pre-filled 50mg / 3mL Pen · ≥99.4% HPLC
Royal Pharma Tirzepatide (60mg)
Dual GIP/GLP-1 Receptor Agonist · 99.5% HPLC
Royal Pharma Retatrutide (40mg)
GLP-1 / GIP / GCGR Reference · 99.4% HPLC
Royal Pharma GLOW Blend (70mg)
GHK-Cu 50mg + BPC-157 10mg + TB-500 10mg
NADVance® NAD+ Pen Kit (1000mg)
Precision dual-chamber cartridge pen engineered for cellular bioenergetics, sirtuin activation, and mitochondrial longevity protocols. Verified by independent Labdoor HPLC testing.
Labdoor Purity & Sequence Certification
Every production lot undergoes quantitative High-Performance Liquid Chromatography (HPLC), Mass Spectrometry sequence confirmation, and endotoxin screening prior to release.
NAD+ & Sirtuin
Pathway Assays
High-purity coenzyme formulations and synergistic dermal matrices engineered for mitochondrial and extracellular research.
Dual & Triple
Agonist Reference
Lyophilized GIP, GLP-1, and GCGR peptide sequences synthesized at ≥99.3% HPLC purity with full mass spectrometry confirmation.
Verified Partner Brands, Original Identity Preserved
Every compound distributed by L’Essence Bio retains its authentic manufacturer formulation and primary labeling—independently verified through Labdoor and ISO/IEC 17025 HPLC protocols.
NADVance® NAD+ Pen Systems
Compounded in an MHRA-licensed British cleanroom, the NADVance® 1000mg pre-dosed dual-chamber pen kit sets the benchmark for cellular NAD+ and sirtuin research protocols.
- 1000mg Pre-Dosed Cartridge Architecture
- Independent Labdoor Purity & Sterility Pass
Core Biotech GHK-Cu (50mg)
High-affinity Copper Tripeptide-1 (50mg / 3mL) pre-filled precision research pen engineered by Core Biotech for extracellular matrix remodeling and fibroblast signaling studies.
- 50mg / 3mL Pre-Filled Metered Dispenser
- Verified Copper Ion Stoichiometry
Royal Pharma Reference Line
Authentic lyophilized reference vials from Royal Pharma focused on its three flagship formulations: Tirzepatide (60mg), Retatrutide (40mg / 50mg EU), and the synergistic GLOW Blend (70mg).
- ≥99.2%–99.5% Quantitative HPLC Purity
- Original Royal Pharma Multi-Dose Vials
Authorized Partner Brands & Independent Verification
L’Essence Bio curates reference compounds exclusively from accredited European and UK partner manufacturers—backed by transparent, batch-specific analytical verification.
Cellular NAD+ Delivery Partner
NADvance® Bioenergetics
Formulated in an MHRA-licensed British facility, NADvance® provides high-concentration 1000mg pre-dosed NAD+ cartridge systems independently audited by Labdoor.
Metabolic & Peptide Reference Standards
Royal Pharma Research
Specialised European synthesis of dual and triple incretin receptor agonists—Tirzepatide (60mg), Retatrutide (40mg / 50mg EU), and the synergistic GLOW 70mg blend—with mass spectrometry confirmation.
Precision Dermal & Peptide Systems
Core Biotech Labs
Creators of the pre-filled 50mg / 3mL GHK-Cu Research Pen (SKU: KLOW-PEN), engineered for high-affinity copper tripeptide-1 extracellular matrix and fibroblast assays.
Independent Quality Assurance
Labdoor & ISO 17025 Network
Every production batch distributed through L’Essence Bio is cross-verified by Labdoor and UKAS / ISO/IEC 17025 compliant analytical laboratories prior to researcher dispatch.