What The Pep
think sharper

Cognitive Stack.

Semax
Semax
+
Selank
Selank

Semax for focus, memory, and BDNF. Selank for calm, anxiety reduction, and GABA modulation. Balanced cognitive enhancement.

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

  • Professionals seeking sustained focus and mental clarity
  • Individuals dealing with brain fog or cognitive fatigue
  • Those needing anxiety reduction alongside cognitive enhancement

Not a fit

  • Individuals with severe bipolar or schizophrenic disorders without specialist oversight

Typically prescribed

Semax

Selank

Dose

300-600 mcg

Dose

300-600 mcg

Frequency

1x or 2x daily

Frequency

1x or 2x daily

Route

Intranasal

Route

Intranasal

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 combined in one injection if the compounds are pre-blended by the compounding pharmacy. If you have separate vials, use separate syringes unless your provider explicitly says otherwise.
How long should I run the Cognitive Stack?
Protocols vary by stack. Short-term repair stacks typically run 4–8 weeks; longevity or GH stacks run longer with strategic off-cycles. Your provider determines the right duration based on your response.
Can I add other peptides to this stack?
Don't add compounds without provider guidance. Stacking more compounds raises the risk of receptor competition, side effects, and unintended interactions.