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Neuro Cognition

DIHEXA dosing guide

A hepatocyte-growth-factor potentiator aimed squarely at synapses.. Everything below is the arithmetic of this vial — what to mix, what to draw, how often, and for how long.

Also sold as: di-hexa, pnb-0408

The protocol at a glance

Vial size
20 mg
Bacteriostatic water
2 mL
Concentration
10.00 mg/mL
Dose
8 mg
Draw on a 1 mL syringe
40 units
Timing
AM
Frequency
Every day
Cycle length
4 weeks on, 4 weeks off
Doses per vial
about 2

Commonly taken orally or transdermally rather than injected.

Draw to here
00.0100.1200.2300.3400.4500.5600.6700.7800.8900.91001.0DRAW TO 40u100-UNIT · 1 mL SYRINGEDIHEXA
Change the vial or water volume in the calculator →

Mixing it, step by step

Step by step

Reconstitution steps

Every step below uses the numbers you entered above.

  1. 1
    Wipe both stoppers

    Swab the rubber tops of the 20 mg DIHEXA vial and the bacteriostatic water vial with fresh alcohol pads. Let them air dry for a few seconds.

  2. 2
    Draw 2 mL of BAC water

    Pull 2 mL of bacteriostatic water into a reconstitution syringe (usually a 3 mL syringe with a 21g needle).

  3. 3
    Add water slowly, down the side

    Inject the water against the inside wall of the vial, don't blast it directly onto the powder. This protects the peptide from shear damage.

  4. 4
    Swirl, don't shake

    Gently swirl until the powder is fully dissolved and the liquid is clear. Never shake, foaming denatures the peptide.

  5. 5
    Draw 40 units on a 1 mL syringe

    On your 100-unit (1 mL) insulin syringe, pull the plunger back until the rubber tip lines up with 40, that's your 8.00 mg dose. Tap out any air bubbles, then inject as directed.

  6. 6
    Store refrigerated

    Cap the vial and store at 2–8 °C (36–46 °F). Most reconstituted peptides remain stable for 3–4 weeks refrigerated.

What to expect, week by week

Day 1–3

Effect can be felt within hours: calmer focus (Selank), sharper attention (Semax), or deeper sleep (DSIP).

Weeks 1–4

Consistent daily benefits. Mood and cognitive stamina improve without stimulant crash.

Post-cycle

Take a break to avoid tolerance. Most users cycle 8 on / 8 off.

Side effects to watch

  • Headache
  • Irritability
  • Insomnia if dosed late
  • Fatigue in some users

Why people run it

  • Synaptogenesis
  • Memory consolidation
  • Crosses the blood brain barrier
  • Oral or transdermal delivery

Ready to run DIHEXA?

Read the full compound page, or check current pricing.

Educational reference only. Doses shown reflect commonly reported research protocols and are not medical advice.

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