Fixed 1:1 blend
Community- Dose
- About 300 mcg of each (600 mcg total)
- How often
- 1–2× daily, earlier in the day
- How long
- About 2 weeks on, 1–2 weeks off
The usual dose for premixed vials. No studies of the combination.
Draw 9 units10 + 10 mg + 3 mL
BlendNootropic blend
Selank + Semax
Selank 10 mg + Semax 10 mg
- Common dose
- 300 mcg of each, 1–2× daily
- Cycle
- 2 weeks on, 2 off
- Vial sizes
- 10 + 10 mg
- Typical draw
- 9 units10 + 10 mg with 3 mL, 300 mcg Selank
Equal amounts of Selank and Semax in one vial.
Evidence. No studies of the blend. Each component is registered in Russia on its own as nasal drops.
Status
Selank + Semax isn’t an approved product anywhere. Here is where each part stands.
- Selank
- Not banned in sportApproved in Russia as 0.15% nasal drops for anxiety; not approved in the US.
- Semax
- Not banned in sportApproved in Russia as 0.1% and 1% nasal drops; not approved in the US.
Sport status follows the WADA 2026 Prohibited List. Each part’s page has its full status, including US compounding. Checked October 5, 2026.
Protocol
Community
About 300 mcg of each (600 mcg total) per dose, 1–2× daily.
- Frequency
- 1–2× daily
- Route
- Intranasal or injection (community)
- Cycle
- About 2 weeks on, 1–2 weeks off.
2 weeks on, 2 off, shown over 26 weeks
Common protocols
The ways Selank + Semax is most often run, each tagged with where it comes from.
Separate sprays
Community- Dose
- Semax about 200–600 mcg + Selank about 250–500 mcg a day
- How often
- Each once or twice daily
- How long
- About 10 days to 4 weeks, then a break
Guides often dose them separately so each can be adjusted. Not studied.
Taking it
Where it goes
Community use: nasal spray, or under the skin of the belly or thigh, rotating spots. The registered Russian products are separate nasal drops; the blend is unstudied.
If you miss a dose
No published guidance. Skip it and take the next dose on schedule; avoid a late-day catch-up, since Semax taken late can disturb sleep.
What to expect
- 15–40 minutes after a dose
Users describe focus with calm, lasting a few hours.
Community - Any time
No studies of the blend; expected effects are inferred from each peptide alone.
Community
Side effects and what to do
Nasal irritation or dryness (Semax label notes mild irritation with long use)
Usually mild; stop if it persists.
Headache (community reports)
Lower the dose; stop if it persists.
Overstimulation or poor sleep (community reports, linked to Semax)
Dose earlier in the day or lower the dose.
Bad taste when drops reach the throat (Selank label)
Harmless; no need to stop.
Allergic reactions, sometimes delayed (Selank label; frequency not given)
Stop and get help for rash, swelling or trouble breathing.
Stop and get medical help
A seizure, severe anxiety or agitation, confused or unusual thinking, or allergy signs such as rash, swelling or trouble breathing.
Who should avoid it
A blend carries the cautions of each part. Each part’s page explains how it works, who should avoid it and its interactions.
Tracking and pairing
Worth tracking
- Sleep and anxiety levels
- Headaches
- Nasal irritation
Often paired with
Usually run on its own.
Mixing your vial
| Vial | Water | Common dose | Draw | Each dose contains | Action |
|---|---|---|---|---|---|
| 10 + 10 mg | 3 mL | 300 mcg Selank | 9 units (0.09 mL) | 300 mcg Selank 300 mcg Semax |
Dose chart
10 + 10 mg vialSyringe units for common doses at different water volumes. Select a cell to open it in the calculator.
| DoseSelank share | Water added | ||
|---|---|---|---|
| 1 mL | 2 mL | 3 mL | |
| 250 mcg | |||
| 300 mcg | |||
| 400 mcg | |||
| 500 mcg | |||
U-100 insulin syringe: 100 units is 1 mL. Draws over 100 units show in mL. Faded values are under 2 units, which is hard to measure. Check that your vial holds the larger volumes.
Storage
Mixed: 2–8 °C, use within 2–4 weeks.
Cautions
- Carries the cautions of both peptides, including Semax’s seizure and psychosis contraindications.
Questions
What is Selank + Semax?
Equal amounts of Selank and Semax in one vial.
Is Selank + Semax an approved drug?
No. It is a fixed mix of Selank and Semax, and the blend itself hasn’t been approved or studied. The status section above shows where each part stands.
What is the usual Selank + Semax dose?
From community reports, not established: About 300 mcg of each (600 mcg total) per dose, 1–2× daily. These are the amounts sources reference, not recommendations.
How much water do I mix Selank + Semax with?
There’s no single right amount, because the water only sets the strength. With 3 mL of bacteriostatic water in a 10 + 10 mg vial, the strength is 6.667 mg/mL, so 300 mcg Selank is 9 units on a U-100 insulin syringe. More water makes small doses easier to measure. The dose chart above shows other volumes.
How should Selank + Semax be stored?
Mixed: 2–8 °C, use within 2–4 weeks.
Is Selank + Semax banned in sport?
No. A blend takes the strictest status of its parts: Selank is not banned and Semax is not banned.
Has Selank + Semax been studied in people?
Not as a blend. Any human data come from studies of its parts, listed on their own pages.
Sources
- Semax 0.1% nasal drops entry (Vidal.ru, Russian)
- Selank 0.15% nasal drops instructions (RLS, Russian)
Doses tagged Community come from public dosing guides and user reports, checked against at least two of them. Those sites aren’t named here because many of them sell peptides or earn commissions on them.