01Peptide manufacturing
Swiss quality peptides
- 50 years of pharmaceutical manufacturing
02Company
NEXA supplies high-purity peptides in pre-filled ready to use pens
03Manufacturing
Made at a fullpharmaceutical plant
Pharmaceutical production, not a contract cosmetics facility
0
years in pharmaceutical manufacturing
0
employees at the plant
0+
countries supplied by the plant
04Product
NEXA Retatrutide
Pre-filled NexaPen
- Form
- Pre-filled pen (NexaPen)
- Content
- 40 mg
- Purity
- 99.7%
In the pack
1 pre-filled pen
8 disposable needles, 32G × 4 mm
User Guide
05Quality
Quality isa process,not a label
99.7%
Purity, latest batch, HPLC
30+ °C
No degradation detected in stability testing
CoA
Issued with every batch
Laboratory reports
1 / 2
Independent laboratory testing
Janoshik test report
Retatrutide · Purity & content
- Total volume
- 2.6 ml
- Measured concentration
- 17.15 mg/ml
At 17.15 mg/ml, the total 2.6 ml volume contains approximately 45 mg of Retatrutide.
Janoshik: sample received 29 October 2026 · Analysis conducted 30 October 2026.
More detailed testing is available on request.
Request detailed testingNEXA vs other brands
ProductionPharmaceutical plantCosmetics facilities
StabilityNo degradation at 30+ °CLose properties in transit
Purity99.7%Even 99% is rare
06Authenticity
Every packcan be verified.
Scan the QR code on the pack to verify it is genuine.
07Process
Process
01
Synthesis
Built residue by residue.