
GLP1‑DOUBLE (MJ)
Synthetic peptide.
PayPal or cash on collection · UK 18+ verification at checkout · For laboratory research use only
Certificate of analysis
The 6 certificates we hold
These reports test raw material rather than a finished vial, and none was commissioned by Optimal Lab. They state how much compound was measured and its purity by HPLC — they do not test identity.
- 30mg99.707% purity16 JUN 2026Janoshik Analytical s.r.o.View certificate
- 40mg99.853% purity16 JUN 2026Janoshik Analytical s.r.o.View certificate
- 60mg99.691% purity18 JUL 2026Janoshik Analytical s.r.o.View certificate
- 100mg99.963% purity18 JUL 2026Janoshik Analytical s.r.o.View certificate
- 10mg99.750% purity17 AUG 2026Janoshik Analytical s.r.o.View certificate
- 30mg99.864% purity17 AUG 2026Janoshik Analytical s.r.o.View certificate
Frequently bought together
Full catalogue →
GHK‑Cu
Copper peptide naturally occurring in plasma. Studied in preclinical research on skin remodelling, wound‑repair pathways, and gene‑expression modulation. Referenced in cellular‑senescence research groupings.

GLP1‑TRIPLE (Reta)
Synthetic peptide.

5‑Amino‑1MQ
NNMT inhibitor. Studied in preclinical research on cellular energy‑metabolism regulation.

KLOW
Research peptide blend containing GHK‑Cu, TB‑500, BPC‑157 and KPV. Supplied as an 80mg lyophilised vial for laboratory research workflows.
