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1.  [Home](/)

3.  [Guides](/guides)

5.  Dosage 

7.  NA-Semax Amidate 

Nootropic Peptide Preclinical 

# NA-Semax Amidate Dosage Guide: Protocols, Calculator & Safety

Everything you need to know about NA-Semax Amidate dosing: protocols, safety, and where to buy.

Half-Life

~30-45 minutes (estimated, longer than standard Semax)

[

Dosage Calculator

Calculate exact dosing for NA-Semax Amidate.



](/tools/dosage)

## Dosing Protocols

Beginner 

#### Beginner protocol

-   **Dose:** 200-400 mcg/day
-   **Route:** Intranasal
-   **Frequency:** Once daily, AM
-   **Duration:** 14 days

Standard 

#### Intermediate protocol

-   **Dose:** 400-800 mcg/day
-   **Route:** Intranasal
-   **Frequency:** Once or twice daily
-   **Duration:** 21-30 days on / 7-14 off

Advanced 

#### Advanced protocol

-   **Dose:** 800-1,200 mcg/day
-   **Route:** Intranasal or SubQ (research-only)
-   **Frequency:** 1-2x daily
-   **Duration:** 30-day cycles
-   **Stack with:** [Selank](/compound/selank), [P-21 Amidate](/compound/p21-amidate)

## Commonly Stacked With

The amide form's longer half-life makes it a better fit for once-daily dosing. Pairs with [Selank](/compound/selank), [Cerebrolysin](/compound/cerebrolysin), or [Cortexin](/compound/cortexin) for nootropic stacks.

## Side Effects & Safety

\*\*Research use only - not FDA approved.\*\* NA-Semax Amidate is a chemically modified peptide sold strictly for laboratory research. It has no approved human indication and no published human safety data for this specific N-acetyl-amidate analog. The notes below are extrapolated from the parent peptide Semax and from anecdotal user reports - not from controlled studies of this compound. \*\*Reported / anticipated effects (mostly anecdotal, intranasal route):\*\* - Transient nasal or throat irritation and rhinorrhea (runny nose) after intranasal dosing - Mild headache - Mild fatigue, or conversely an initial alertness/stimulation spike - Lightheadedness in some users, more likely at higher doses \*\*Important framing:\*\* Semax has a decades-long history of clinical use in Russia with a generally mild reported safety profile, but that record does \*\*not\*\* automatically transfer to this modified analog. The N-acetyl and C-amide changes alter the molecule, and its safety, long-term effects, and true duration have not been formally studied. Absence of reported serious effects here reflects absence of study, not proof of safety.

Contraindications

\*\*Do not use outside of a research setting.\*\* NA-Semax Amidate is not a medicine and has not been evaluated for human use; the points below are conservative precautions, not trial-derived medical contraindications for this compound. - \*\*Pregnancy and lactation\*\* - avoid; there are no reproductive or developmental safety data for this analog. - \*\*Known peptide or Semax hypersensitivity\*\* - discontinue immediately if any allergic or hypersensitivity reaction occurs. - \*\*Mania or bipolar-spectrum instability\*\* - caution; nootropic, dopaminergic-modulating peptides may theoretically aggravate activation, though this is not established for this compound. - \*\*Concurrent CNS-active medications or stimulants\*\* - no interaction data exist for this analog; combining is untested. These precautions are extrapolated from the parent peptide Semax and from general peptide-research safety practice, not from any published study of NA-Semax Amidate itself.

[Check interactions with the Interaction Checker →](/tools/interaction-checker)

## Frequently Asked Questions

What is the recommended NA-Semax Amidate dosage?

Dosage for NA-Semax Amidate varies by protocol. Consult a qualified healthcare provider.

How often should I take NA-Semax Amidate?

Administration frequency depends on the specific protocol. Consult current research literature.

Does NA-Semax Amidate need to be cycled?

Cycling requirements depend on the protocol. Follow established research guidelines.

What are NA-Semax Amidate side effects?

\*\*Research use only - not FDA approved.\*\* NA-Semax Amidate is a chemically modified peptide sold strictly for laboratory research. It has no approved human indication and no published human safety data for this specific N-acetyl-amidate analog. The notes below are extrapolated from the parent peptide Semax and from anecdotal user reports - not from controlled studies of this compound. \*\*Reported / anticipated effects (mostly anecdotal, intranasal route):\*\* - Transient nasal or throat irritation and rhinorrhea (runny nose) after intranasal dosing - Mild headache - Mild fatigue, or conversely an initial alertness/stimulation spike - Lightheadedness in some users, more likely at higher doses \*\*Important framing:\*\* Semax has a decades-long history of clinical use in Russia with a generally mild reported safety profile, but that record does \*\*not\*\* automatically transfer to this modified analog. The N-acetyl and C-amide changes alter the molecule, and its safety, long-term effects, and true duration have not been formally studied. Absence of reported serious effects here reflects absence of study, not proof of safety.

Where can I buy NA-Semax Amidate?

Visit our vendor directory to compare the vendors we track and their Trust Scores.

[

NA-Semax Amidate Full Profile

Research data, mechanisms, and pricing



](/compound/na-semax-amidate)[

Interaction Checker

Check drug & compound interactions



](/tools/interaction-checker)

## Related Dosage Guides

[All Guides](/guides)

[

### Adalank

Nootropic Peptide · Dosage Guide

](/guides/dosage/adalank)[

### Adamax

Nootropic Peptide · Dosage Guide

](/guides/dosage/adamax)

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