think sharper
Cognitive Stack.
Semax sharpens focus and memory. Selank takes the edge off anxiety. Together they create steady, calm focus.
All stacksSemax+Selank
Stack · think sharper
Cognitive Stack.
“The Cognitive Stack”
Semax sharpens focus and memory. Selank takes the edge off anxiety. Together they create steady, calm focus.
Why these work together
Semax
- Sharpens focus and memory
- Lifts mental energy
- Best taken in the morning
Selank
- Smooths anxiety and stress
- Steadies mood without drowsiness
- Pairs well anytime of day
What's in this stack
Who this stack is for
Good fit
- •Working professionals who need steady focus through long days
- •People dealing with brain fog or mental fatigue
- •People who want sharper thinking but also need to dial down anxiety
Not a fit
- •People with severe bipolar disorder or schizophrenia, unless a specialist is overseeing the protocol
Typically prescribed
Semax
Selank
Dose
300-600 mcg
Dose
300-600 mcg
Frequency
1x or 2x daily
Frequency
1x or 2x daily
Route
Nasal spray
Route
Nasal spray
Duration
2-4 weeks
Duration
2-4 weeks
Always follow your provider's instructions. These are general reference ranges, not recommendations.
What to expect
Day 1-3
Noticeable focus and a calmer baseline
Week 1-2
Sharper memory recall and steadier mood
Week 3-4
Cumulative cognitive lift, less brain fog
Individual results vary. These timelines come from clinical observation and community reports, not guarantees.
About the Cognitive Stack
Can I take these peptides in the same syringe?
Some providers prescribe them pre-mixed in one shot, blended together by a compounding pharmacy (a pharmacy that mixes custom medications). If you have separate vials, use separate syringes unless your provider tells you otherwise.
How long should I run the Cognitive Stack?
It depends on the stack. Short-term repair stacks usually run 4 to 8 weeks. Longevity and GH stacks run longer, with planned rest periods built in. Your provider decides the right length based on how you respond.
Can I add other peptides to this stack?
Don't add anything without your provider's go-ahead. Stacking more peptides on top, using more than one peptide together, raises the chance of side effects and unintended interactions.