§ Same category · Cognitive peptides
Dihexa vs Noopept
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Dihexa
4
vendors tracked
from $3.20/mg
Noopept
2
vendors tracked
from $2.50/mg
◎ Cheapest $/mg:Noopept at $2.50/mg
Dihexa
BDNF-potentiating hepatapeptide
Operational
$39.99
$8.00/mg
In stock◎ Best $/mg
B-
Operational$159.00
$31.80/mg
In stock▲ 297.6% vs best
Watch
$159.00
$31.80/mg
In stock▲ 297.6% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| AMC Essentials US | B | Operational | $39.99 ◎ Best $/mg | $8.00 | In stock | Buy with code → | |
| Atomik Labz US | B- | Operational | $159.00 ▲ 297.6% | $31.80 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $159.00 ▲ 297.6% | $31.80 | In stock | Visit → |
Sort:
Last crawl 2026-06-21Sort:
2026-06-21Noopept
Peptide-derived nootropic
No current listings at 20mg.
About Dihexa
A hexapeptide derivative of the angiotensin IV fragment, studied for cognitive enhancement via BDNF potentiation.
About Noopept
A dipeptide derivative of piracetam studied for memory enhancement and neuroprotection. Technically a pro-drug, but widely sold in peptide stores.