Semaglutide
GLP-1 receptor agonist
Potency loss over time
Estimated potency retained (%) per storage condition. Hover the chart for details.
⚠ Modelled per compound from molecular structure — chain length, cyclisation, oxidation- and deamidation-prone residues and light sensitivity. Indicative only, not lab-measured per batch.
Time in body
How much of a single dose remains over time, modelled from the terminal half-life. Illustrative — not a dosing tool.
Half-life ~7 d (human PK) · effectively cleared (~97%) after ~34 d (5 half-lives).
Research context only — not dosing guidance. · Source: FDA Wegovy label; Hall & Isaacs 2018
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
 RES
RESEARCH PEPTIDES EUROPE
in stock 🇪🇸 ES
| €99.99 | €20.0/mg | 99.8% | ✔ HPLC/LC-MS | Shop → |
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
 ADR
ADRIA SCIENCE
in stock 🇸🇮 SI
| €73.9 | €7.39/mg | 99% | ✔ HPLC | Shop → | ||
| 2 |
 CRY
CRYSTAL PEPTIDES
in stock 🇧🇬 BG
| €79.99 | €8.0/mg | 99.4% | ✔ HPLC | Shop → | ||
| 3 |
RES
RESEARCH PEPTIDES EUROPE
in stock 🇪🇸 ES
| €197.98 | €19.8/mg | 99.8% | ✔ HPLC/LC-MS | Shop → |
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
 NEX
| €64.95 | €3.25/mg | ▼6.7% | 99% | ✔ HPLC | Shop → | |
| 2 |
ADR
ADRIA SCIENCE
in stock 🇸🇮 SI
| €94.9 | €4.75/mg | 99% | ✔ HPLC | Shop → |
Prices manually checked and updated monthly — source: publicly available supplier data. No affiliate links, no paid placement.
Recent research
Semaglutide
Mechanism, evidence level, EU status and COA guidance per compound. No dosages, no protocols — that belongs with a doctor.