§ Comparison
Semaglutide vs Semax
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
Semaglutide
9
vendors tracked
from $1.95/mg
Semax
23
vendors tracked
from $2.52/mg
◎ Cheapest $/mg:Semaglutide at $1.95/mg
Semaglutide
GLP-1 agonist for metabolic research
B
Operational$56.99
$11.40/mg
In stock◎ Best $/mg
B-
Operational$69.00
$13.80/mg
In stock▲ 21.1% vs best
Watch
$69.00
$13.80/mg
In stock▲ 21.1% vs best
Operational
$107.99
$21.60/mg
Out of stock▲ 89.5% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Welli Labs US | B | Operational | $56.99 ◎ Best $/mg | $11.40 | In stock | Buy with code → | |
| Atomik Labz US | B- | Operational | $69.00 ▲ 21.1% | $13.80 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $69.00 ▲ 21.1% | $13.80 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $107.99 ▲ 89.5% | $21.60 | Out | Visit → |
Sort:
Last crawl 2026-05-04Sort:
2026-05-04Semax
Nootropic ACTH fragment
Operational
$19.43
$3.89/mg
In stock◎ Best $/mg
B-
Watch$39.99
$8.00/mg
In stock▲ 105.8% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Research Peptides Europe EU | A | Operational | $19.43 ◎ Best $/mg | $3.89 | In stock | Buy with code → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 105.8% | $8.00 | In stock | Visit → |
Sort:
Last crawl 2026-05-04Sort:
2026-05-04About Semaglutide
A once-weekly GLP-1 receptor agonist studied for glycemic control and weight loss. Approved as a prescription drug in many jurisdictions; research-peptide vendors supply the compound for laboratory use.
About Semax
A synthetic heptapeptide based on an ACTH(4-10) fragment. Studied in Russian neurology for neuroprotection and cognitive enhancement.