Semaglutide 5mg price comparison
18 vendors currently sell Semaglutide in a 5mg vial. Cheapest captured: $20.00 ($4.00/mg) from S1 Research. Note: other vial sizes get as low as $1.22/mg — this size costs ~228% more per mg for the convenience.
captured 5h ago · first-party, default sort: $/mg
Published dosing & study context → · Reconstitution calculator →
18 listings Vendor Score measures published evidence, not product safety. Affiliate status never affects sorting.
| # | Vendor | Product | Size | Price | $/mg | Vendor Score | Trend | Code | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | S1 Research since May 2025 | S-GLP1 CAS # 910463-68-2 5mg −10% first order first-party · captured · earns pepmg $0 · source ↗ · 68 at the lab ↗ | 5mg | $20.00Checked within 24 hours | $4.00 | 91/100 | — | visit vendor ↗ | |
| 2 | Modern Research Peptides since Sep 2025 | GLP1-S 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · 276 at the lab ↗ · COAs ↗ | 5mg | $24.99Checked within 24 hours | $5.00 | 96/100 | — | visit vendor ↗ | |
| 3 | Eternal Peptides since May 2025 | EP-1 (S) ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · 141 at the lab ↗ | 5mg | $25.99Checked within 24 hours | $5.20 | 92/100 | — | visit vendor ↗ | |
| 4 | Welli Labs since Jul 2025 | WL1-SM 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · 1 at the lab ↗ · COAs ↗ | 5mg | $29.99Checked within 24 hours | $6.00 | 72/100 | — | visit vendor ↗ | |
| 5 | Crownwell Research since Jan 2026 · new | GLP1-Sema ▼ all-time low first-party · captured · commission · rank unaffected · source ↗ | 5mg | $30.00Checked within 24 hours | $6.00 | 35/100 | — | visit vendor ↗ | |
| 6 | GenPeptide since Sep 2025 | Sema-GP (GLP-1SG) 5mg ▼ all-time low first-party · captured · commission · rank unaffected · source ↗ · 59 at the lab ↗ | 5mg | $35.00Checked within 24 hours | $7.00 | 93/100 | — | visit vendor ↗ | |
| 7 | Atomik Labz since 2024 | Peptide 1 (S) 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ | 5mg | $39.00Checked within 24 hours | $7.80 | 35/100 | — | visit vendor ↗ | |
| 8 | Feel Good Peptides since Dec 2025 · new | GLP-1 (S) 5mg ↓ 42.9% ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · 82 at the lab ↗ | 5mg | $39.97Checked within 24 hours | $7.99 | 88/100 | — | visit vendor ↗ | |
| 9 | Happy Peptides since 2023 | SM-GLP1 ▼ all-time low −15% first order first-party · captured · earns pepmg $0 · source ↗ · 2 at the lab ↗ | 5mg | $42.00Checked within 24 hours | $8.40 | 80/100 | — | visit vendor ↗ | |
| 10 | Nationwide Peptides since Oct 2025 · new | GLP-1S Peptide 5mg ▼ all-time low first-party · captured · commission · rank unaffected · source ↗ · 88 at the lab ↗ · COAs ↗ | 5mg | $48.00Checked within 24 hours | $9.60 | 94/100 | — | visit vendor ↗ | |
| 11 | Tydes since 2023 | GLP-1 S 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · COAs ↗ | 5mg | $54.99Checked within 24 hours | $11.00 | 100/100 | — | visit vendor ↗ | |
| 12 | Elite Miami Peptides since 2024 | Semaglutide 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ | 5mg | $64.95Checked within 24 hours | $12.99 | 80/100 | — | visit vendor ↗ | |
| 13 | Osae Research | Buy Semaglutide Research Peptide ≥99% 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · COAs ↗ | 5mg | $70.00Checked within 24 hours | $14.00 | 76/100 | — | visit vendor ↗ | |
| 14 | Prime Peptides since 2024 | Semaglutide 5mg ▼ all-time low −5% first order first-party · captured · earns pepmg $0 · source ↗ · 44 at the lab ↗ · COAs ↗ | 5mg | $70.00Checked within 24 hours | $14.00 | 90/100 | — | visit vendor ↗ | |
| 15 | Optima Supply since Apr 2025 | OPTI-(S) 5mg Individual ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · 36 at the lab ↗ · COAs ↗ | 5mg | $69.99Checked within 24 hours | $14.00 | 79/100 | — | visit vendor ↗ | |
| 16 | Regentide since Sep 2025 | Semaglutide 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ | 5mg | $96.99Checked within 24 hours | $19.40 | 5/100 | — | visit vendor ↗ | |
| 17 | LiveWell Peptides since Feb 2025 | Semaglutide (GLP-1 Receptor Agonist) Research Peptide 5-mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ · COAs ↗ | 5mg | $110.00Checked within 24 hours | $22.00 | 80/100 | — | visit vendor ↗ | |
| 18 | Empire Biolabs since Feb 2026 · new | GLP1-EB(S) 5mg ▼ all-time low first-party · captured · earns pepmg $0 · source ↗ | 5mg | $135.00Checked within 24 hours | $27.00 | 80/100 | — | visit vendor ↗ |
Other Semaglutide sizes: 10mg (18)20mg (8)30mg (10)50mg (3) · all sizes & vendors →
All products listed are sold by third-party vendors for laboratory and research use only (RUO). Where an FDA label or a peer-reviewed study has published a dose, pepmg reports it with the source named, because that is safer than guessing. It is a report, not medical advice and not a recommendation to use anything. pepmg sells nothing and ships nothing. Listings are price-tracking data, not endorsements.