Semax
How to reconstitute the 10 mg vial and convert any target dose into insulin units. Reconstitution math and unit conversions for the 10 mg vial. Semax's on-record dosing is intranasal (Russian clinical use); it is not FDA-approved and has no validated injectable dose.

No validated human dose. Semax is a research-use peptide with no FDA-approved dose. The reconstitution math below is exact measurement — a calculator, not advice. Any usage figures are community-reported and clearly labeled, and none of this is medical advice.
Calculate for your vial
Enter the mg on your Semax vial, the bacteriostatic water you added, and your target dose — it works out the exact units to draw on a U-100 insulin syringe, for whatever you personally have.
Reconstitution Calculator
Check the decimal. A misplaced decimal point here is a 10× dosing error. Re-read every number, and confirm your dose with a licensed clinician before you draw.
Educational only — not a dosing recommendation. This tool does the measurement math; it does not tell you what to take. On a U-100 insulin syringe, 100 units = 1 mL.
1 · Find your dose
Pick what you're using Semax for and how much bacteriostatic water you added — this pulls out the exact units to draw and how often people report using it.
to draw 250 mcg–600 mcg at 2 mL water
5 mg/mL · 50 mcg per unit
- How often
- 1–3× daily
2 · Reconstitute it cleanly, step by step
How to turn the 10 mg powder into a measured liquid with clean, sterile technique. More water means each insulin unit holds less peptide — easier to measure small amounts accurately.
1Swab the stoppers
Wipe the rubber top of each vial with an alcohol pad and let it air-dry.
2Draw the water
Pull your bacteriostatic water up into the insulin syringe.
3Reconstitute
Inject it slowly down the inside wall of the peptide vial — never straight onto the powder.
4Swirl to dissolve
Gently swirl until the powder fully dissolves into a clear liquid. Never shake.
5Equalize, then draw
To draw a dose: push in an equal amount of air first to equalize the pressure, then pull your dose.
- 1
Swab both tops
Wipe the rubber top of the bacteriostatic-water vial and the Semax vial stopper with a fresh alcohol pad, and let them air-dry. Never touch the needle or the stoppers after wiping.
Alcohol swab · let dry - 2
Draw the water
First pull 2 mL of air into the syringe and inject it into the bacteriostatic-water vial to equalize the pressure, then draw your 2 mL of water back out. Inject it into the Semax vial down the inside glass wall, not onto the powder.
2 mL BAC water - 3
Swirl, don't shake
Gently swirl the 10 mg vial until the powder fully dissolves into a clear liquid. Never shake — shaking can damage the peptide and foam the solution.
Swirl, don't shake - 4
Know your strength
The vial is now 5 mg/mL. Each unit on a U-100 syringe holds about 50 mcg.
5 mg/mL - 5
Re-swab & draw your dose
Wipe the stopper again. With a fresh insulin syringe, pull back 10 units of air and inject it into the vial to equalize the pressure, then draw 10 units (0.1 mL) for a 500 mcg dose.
10 units - 6
Store it right
Keep the mixed vial in the fridge, away from light. Use a new sterile syringe every time, never share, and drop used sharps in a proper container.
Refrigerate · fresh needle
What each water volume gives you:
3 · Full units reference
Every bacteriostatic-water volume (rows) against every target dose (columns) — each cell is the U-100 units and the exact draw in mL. The highlighted row is the easiest volume to measure.
| BAC water | Concentration | Per unit | 250 mcg | 500 mcg | 1 mg |
|---|---|---|---|---|---|
| 1 mL | 10 mg/mL | 100 mcg | 2.5u0.025 mL | 5u0.05 mL | 10u0.1 mL |
| 2 mLeasy pick | 5 mg/mL | 50 mcg | 5u0.05 mL | 10u0.1 mL | 20u0.2 mL |
| 3 mL | 3.33 mg/mL | 33.33 mcg | 7.5u0.075 mL | 15u0.15 mL | 30u0.3 mL |
4 · Everyday usage
Like Selank, the dosing on record for Semax is INTRANASAL, from Russian clinical use. This vial is for reconstitution; the units below are measurement math for the same microgram amount, not an endorsement of injecting it.
Russian clinical use (intranasal)
Studied in trialsSemax is used in Russia as a 0.1% nasal solution; figures are per administration, given through the day.
- Reported amount
- 250 mcg–600 mcg≈ 5–12 units @ 2 mL
- Frequency
- 1–3× daily
From Russian clinical use of Semax 0.1% nasal drops (~100 mcg/actuation): cognitive protocols ~250–500 mcg/day, mental-fatigue protocols ~400–900 mcg/day. The studied ROUTE is intranasal, not injection; Semax is not FDA-approved. Units shown convert that microgram amount, not a recommendation to inject.
Frequently asked questions
How many insulin units is 250 mcg of Semax from a 10 mg vial?
- Reconstituting a 10 mg vial with 2 mL of bacteriostatic water gives 5 mg/mL — about 50 mcg per unit. Drawing 250 mcg is 0.05 mL, or 5 units on a U-100 insulin syringe. This is measurement math, not a dose recommendation.
How many insulin units is 500 mcg of Semax from a 10 mg vial?
- Reconstituting a 10 mg vial with 2 mL of bacteriostatic water gives 5 mg/mL — about 50 mcg per unit. Drawing 500 mcg is 0.1 mL, or 10 units on a U-100 insulin syringe. This is measurement math, not a dose recommendation.
Was Semax studied as an injection?
- The clinical dosing on record for Semax is intranasal (a 0.1% nasal solution used in Russia), not subcutaneous injection. Semax is not FDA-approved and has no validated injectable dose. The reconstitution math here lets you measure a given microgram amount accurately; it is not a recommendation to inject. Dosing decisions belong with a licensed clinician.
WikiPeps is a community reference. Reconstitution figures are deterministic measurement math; usage figures are sourced and labeled. Nothing here is medical advice, a recommendation, or an offer to sell peptides — dosing decisions belong with a licensed clinician.
