A
82
Fresh · 28dMetals Not screened
99.8%HPLC
10.12 / 10 mg (+1.2%)
$4.45/mg
-42% vs median
No Trustpilot rating
All compounds
Incretin agonist
Semaglutide
GLP-1 receptor agonist analog with extended half-life, used in metabolic research.
- Batches audited
- 3
- Median $/mg
- $7.66
- Lowest $/mg
- $4.45
Effective price per mg
Price ÷ lab-measured mg. Dashed line = median. Green figure = with the vendor's best coupon.
- Better Peptide$4.45
- PeptidePro$7.66
- Research Purpose Labs$16.44
Audited Semaglutide batches
| Vendor | Compound · Batch | Testing lab | Purity · Quantity | Metals | Price | Grade | |
|---|---|---|---|---|---|---|---|
| Better Peptide No Trustpilot rating | Semaglutide 10mg SM1-082026 · Sep 27, 2026 Fresh · 28d | 99.8%HPLC 10.12 / 10 mg (+1.2%) | Not screened | $4.45/mg -42% vs median | A82/100 | ||
| PeptidePro 4.7Trustpilot | Semaglutide 10mg — · Feb 10, 2026 Stale COA · 257d | 99.8%HPLC 9.88 / 10 mg (-1.2%) | Not screened | $7.66/mg 0% vs median | C56/100 | ||
| Research Purpose Labs 3.4Trustpilot | Semaglutide 15mg — · Jul 4, 2026 Stale COA · 113d | 99.7%HPLC 15.21 / 15 mg (+1.4%) | Not screened | $16.44/mg +115% vs median | D43/100 |
C
56
Stale COA · 257dMetals Not screened
99.8%HPLC
9.88 / 10 mg (-1.2%)
$7.66/mg
0% vs median
4.7Trustpilot
D
43
Stale COA · 113dMetals Not screened
99.7%HPLC
15.21 / 15 mg (+1.4%)
$16.44/mg
+115% vs median
3.4Trustpilot
PeptideAudits · Protocols App
Track Your Research Protocols, Half-Lives & Reconstitution Math
Log every vial, batch number and reconstitution in one place — with half-life curves and the same math as the calculator above, saved per protocol.
Open the Protocols App- Protocol logVials, batch #s and COA links per study
- Half-life trackingVisual decay curves by compound
- Saved reconstitutionUnits-to-draw, remembered per vial