Home / Compare
Comparing the nootropic compounds
Half-life and storage side by side, which is where the practical differences in this group show up.
Reference only. This page covers what the compound is, how it is presented and how it is handled. It does not give dosing protocols or administration schedules, and it is not medical advice.
| Compound | Half-life | Storage |
|---|---|---|
| DSIP | Very short in circulation. | 2-8 C, protected from light. |
| Modafinil | Approximately 12 to 15 hours. | Cool, dry, dark. |
| Nootropic | Both are short in circulation. | Refrigerated, protected from light. |
| Selank | Short. | 2-8 C. |
| Semax | Short. | 2-8 C. |
Stocked at The PED Shop
100 Tabs Modafinilin stock£70
Quanta Pharma DSIP 5mg (Sleep Peptide)out of stock£25
Modafinilin stock£20
Quanta Pharma Selank 10mg - Nasal Sprayin stock£30
Quanta Pharma Semax 10mg - Nasal Sprayin stock£30- SerenQ Nootropic Peptide Penout of stock£90
Availability checked 2026-09-08. The product page carries live stock.