Verified
Consistent batch to batch
Really impressed with the packaging quality. Everything double-boxed, insulated and clearly labelled. Same day dispatch worked as promised.
James H.London, UK · 24 Mar 2026
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Peptides
Metabolic Research
In stockMazdutide
5 mg · ≥99% purity
4.9
Dual GLP-1 / glucagon receptor agonist research peptide.
£79.99£89.99GBPSave 11%
£79.99 per vial · Tax calculated at checkout · Free tracked UK & EU shipping over £50
Size 2 options
Bundle & saveVolume discount applied automatically
1
We accept
≥99% purity
3rd-party HPLC
CoA per batch
Fast UK shipping
Quality guarantee
Every batch is independently HPLC assayed. Certificate of Analysis available on request.
Every UK order includes — free
- ✓Batch certificate of analysis (HPLC)
- ✓Discreet, unbranded packaging
- ✓Tracked delivery — free on orders over £50
Full refund
if a batch is off-spec
Free reship
if lost or damaged in transit
Same-day dispatch
Mon–Fri, order before 12:00 UK
Research use only
for laboratory work
Analytical data
Specifications, documented.
Identity data cross-checked against PubChem; purity taken from the batch certificate of analysis.
CompoundMazdutide
Also known asIBI362 · LY3305677
Molecular formulaC₂₀₇H₃₁₇N₄₅O₆₅
Molecular weight4476.06 g/mol
CAS number2259884-03-0
PubChem CID167312357
FormLyophilised powder, sealed glass vial
SolubilityBacteriostatic or sterile water
Storage−20 °C lyophilised, protected from light
About this compound
Mazdutide
GLP-1 / glucagon dual analogue
Half-life
≈ 5 days
First disclosed
2019
Mazdutide — also catalogued as IBI362 or LY3305677 — is an oxyntomodulin-derived peptide that activates the GLP-1 and glucagon receptors together. Developed jointly by Eli Lilly and Innovent, it turns up often in recent work comparing single-receptor and multi-receptor incretin pharmacology.
Dual GLP-1 and glucagon receptor agonism is studied in vitro to separate energy-expenditure and incretin signalling from single-agonist controls.
Research areas
GLP-1 receptor signallingGlucagon receptor signallingIncretin-pathway modelsComparative agonist assays
Research literature
Research notice: supplied strictly as laboratory research material for in-vitro use. Not for human or veterinary use, and not a medicine, food or cosmetic. This page gives identification and quality information only — no usage instructions or medical advice.
Browse this research area
Mazdutide is a dual GLP-1 and glucagon receptor agonist peptide, supplied by MyPeptides for laboratory research use only.
Mazdutide (IBI362 / LY3305677) is an oxyntomodulin-derived peptide that activates the GLP-1 and glucagon receptors together (C₂₀₇H₃₁₇N₄₅O₆₅, CAS 2259884-03-0). It is frequently used to separate glucagon-receptor effects from incretin signalling.
Available as 5 mg and 10 mg lyophilised vials. Pair it with semaglutide (GLP-1 only) and retatrutide (adds GIP) for receptor-by-receptor comparisons.
Store at −20 °C, protected from light. Same-day dispatch before 12:00 UK time, tracked and free over £50. For laboratory research use only.
Mazdutide — frequently asked questions
Straight answers on purity, handling, dispatch and research use.
What is Mazdutide?
Mazdutide is a dual GLP-1 and glucagon receptor agonist peptide, supplied by MyPeptides as a lyophilised research vial for laboratory research use only.
What is Mazdutide used for in research?
In cited literature, Mazdutide is studied in hepatic, lipid and metabolic research. It is not a medicine and is not intended for human or veterinary use.
What purity is MyPeptides Mazdutide?
Every batch is third-party HPLC assayed at ≥99% purity. A signed certificate of analysis is available on request after checkout.
How is Mazdutide reconstituted and stored?
Ships lyophilised in a sealed borosilicate vial. Store at −20 °C; reconstitute with bacteriostatic or sterile water immediately before in vitro use.
Do you ship Mazdutide to the UK and EU?
Yes — tracked Royal Mail and DPD dispatch across the UK and EU, with free shipping on orders over £50. Weekday orders placed before 12:00 UK time ship the same day.
Mazdutide reviews
Verified feedback from qualified researchers across the UK & EU.
4.7(6 reviews)
Swipe
Verified
Consistent batch to batch
Really impressed with the packaging quality. Everything double-boxed, insulated and clearly labelled. Same day dispatch worked as promised.
James H.London, UK · 24 Mar 2026
Verified
Very impressed with the CoA
Support answered a batch question within a few hours over email. Rare to get that level of response from a research supplier. Product itself is exactly to spec.
Chloe D.Lyon, FR · 5 Jul 2026
Verified
Quality packaging, quick dispatch
The little details matter - proper cold-chain, tamper-evident seals, and a CoA that actually reads like a lab report and not a marketing sheet.
Jonas F.Copenhagen, DK · 7 Apr 2026
Verified
Fast UK shipping
Been using peptides for research for years and MyPeptides is now my go-to. Consistent quality, quick turnaround, real documentation.
Ethan W.Dublin, IE · 14 Apr 2026
Verified
Solid product, will reorder
Everything about this feels professional - from the site to the packaging to the paperwork. Purity assay matches what is on the label. Will keep ordering.
Anton V.Vienna, AT · 23 May 2026
Verified
Professional service end to end
Clean product, no discoloration, correct fill. Certificate of analysis was in the box AND emailed. Very straightforward experience.
Marcus T.Berlin, DE · 9 Jun 2026
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