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FDA Category 2 · restricted from compounding

This compound is on the FDA’s interim Section 503A Category 2 bulks list and cannot be legally compounded by US pharmacies. An HHS announcement in February 2026 signaled intent to restore several peptides to Category 1, but no Federal Register action has been published. Check the FDA PCAC schedule for updates.

Read the full regulatory context
ExperimentalSleepSubQAs neededPartial data

Serenity (Blend)

Compounded injectable blend marketed for sleep support, typically combining DSIP with relaxation-promoting compounds.

§ 01   Overview

Overview

Compounded injectable blend marketed for sleep support, typically combining DSIP with relaxation-promoting compounds.

No controlled data on the blend.

§ 02   Mechanism

Mechanism of action

Composition varies; typically includes DSIP and other calming or sleep-supportive agents. Exact mechanism depends on formulation.

  • 01Sleep onset and depth anecdotally

§ 03   Dosing

Dosing protocol

Standard Protocol

Dose Range
1 ml per dose typical
Route
SubQ
Timing
Before bed
Frequency
As needed

§ 04   Evidence

Evidence & research

Experimental

No controlled data on the blend.

FDA Status

Not FDA-approved.

§ 07   Sourcing

Sourcing & supply

Regulatory status

Restricted from compounding

Placed on the FDA's 503A Category 2 list and cannot be lawfully compounded in the US. No brand pharmacy alternative exists. US buyers encounter only research-use-only (RUO) channels, which the FDA's Intended Use Doctrine treats as unapproved drug sales.

No suppliers in our directory currently stock this compound. For investigational or research-only compounds, legitimate channels may not exist outside clinical trials.

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§ 09   Safety

Safety & side effects

Side effects

  • 01Morning grogginess

Contraindications

None specified.

§ 10   Questions

Serenity (Blend) FAQ

What is Serenity (Blend)?
Compounded injectable blend marketed for sleep support, typically combining DSIP with relaxation-promoting compounds. Composition varies; typically includes DSIP and other calming or sleep-supportive agents. Exact mechanism depends on formulation.
What is Serenity (Blend) used for?
Reported uses include sleep onset and depth anecdotally. Evidence strength is rated Experimental — see the evidence section for detail.
How is Serenity (Blend) dosed?
Commonly referenced dosing is 1 ml per dose, typically as needed, administered SubQ. This is educational reference only; consult a licensed clinician before use.
What are the side effects of Serenity (Blend)?
Commonly reported side effects include morning grogginess. This list is not exhaustive.
Is Serenity (Blend) legal?
Placed on the FDA's 503A Category 2 list and cannot be lawfully compounded in the US. No brand pharmacy alternative exists. US buyers encounter only research-use-only (RUO) channels, which the FDA's Intended Use Doctrine treats as unapproved drug sales. FDA status: Not FDA-approved..

This site is for educational and research purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide or supplement.