How do I reconstitute Sermorelin 5mg?

Add 2.5mL BAC water of bacteriostatic water. Inject slowly down the side wall. Gently swirl until dissolved — never shake.

What is the typical dosage for Sermorelin?

Typical research dosage: 200-500mcg. Frequency: 1-2x daily.

How should I store Sermorelin?

Lyophilized: -20°C (2+ years). Reconstituted: 2-8°C (3-4 weeks). Protect from light.

What concentration does Sermorelin 5mg make?

With 2.5mL BAC water BAC water: 2mg/mL. Use our calculator for exact volumes.

Sermorelin 5mg Dosage & Mixing Guide

TL;DR

Sermorelin is a growth-hormone-releasing hormone analog studied for its ability to stimulate the body's own growth-hormone secretion. It has some historical human clinical data, though its broader evidence base remains limited. It is a research compound supplied for laboratory investigation and educational reference only, not for therapeutic or human use.

What is Sermorelin?

Sermorelin (also known as GRF 1-29 NH2) is a growth hormone-releasing hormone (GHRH) analog consisting of the first 29 amino acids of the 44-amino acid human GHRH sequence. It represents the shortest fully functional fragment of GHRH.

As a GHRH analog, Sermorelin works by stimulating the pituitary gland to produce and release growth hormone through its natural pulsatile pattern. This mechanism preserves the body’s feedback systems, unlike direct GH administration.

Sermorelin was FDA-approved for diagnostic use and pediatric growth hormone deficiency, providing a foundation of clinical research data.

Quick Reference

Parameter	Value
Peptide Amount	5mg
Recommended BAC Water	2.5mL
Resulting Concentration	2mg/mL (2000mcg/mL)
Typical Research Dose	200-500mcg
Frequency	1-2x daily
Timing	Before bed and/or morning
Research Duration	8-16 weeks

Reconstitution Guide

Materials Needed

Sermorelin 5mg lyophilized vial
Bacteriostatic water (BAC water)
Insulin syringes (U-100, 29-31 gauge)
Alcohol swabs
Sharps container

Step-by-Step Instructions

Prepare workspace — Clean area, gather materials, wash hands.
Clean vial stoppers — Wipe both vials with alcohol swabs. Allow to dry.
Draw BAC water — Draw 2.5mL bacteriostatic water using sterile syringe.
Add to peptide — Inject slowly down inside wall of vial. Do not spray directly on powder.
Dissolve — Sermorelin dissolves within 2-5 minutes. Gentle swirl if needed — never shake.
Verify — Solution should be clear and colorless.
Label and store — Write date on vial. Refrigerate immediately.

Dosage Protocol

Concentration Calculations

With 5mg peptide in 2.5mL BAC water:

Concentration: 2mg/mL = 2000mcg/mL
Per unit (U-100 syringe): 20mcg per unit

Common Dose Calculations

Desired Dose	Draw Volume	Syringe Units
200mcg	0.10mL	10 units
300mcg	0.15mL	15 units
400mcg	0.20mL	20 units
500mcg	0.25mL	25 units

Suggested Research Protocol

Standard Protocol:

Dose: 300mcg
Frequency: Once daily before bed
Duration: 12-16 weeks

Enhanced Protocol:

Dose: 200-300mcg
Frequency: 2x daily (morning + before bed)
Duration: 12-16 weeks

Timing Considerations:

Before bed: Aligns with natural GH secretion peak
Morning (fasted): Secondary administration if using 2x daily
Avoid: Within 2 hours of eating (food blunts response)

Injection Guide

Subcutaneous Administration

Clean injection site with alcohol swab
Pinch skin fold (abdomen preferred)
Insert needle at 45-90° angle
Inject slowly
Wait 5 seconds before withdrawing

Optimal Timing

For best results in research:

Inject at least 30-60 minutes before eating
Evening dose: 30-60 minutes before sleep
Morning dose: Upon waking, fasted state

Site Rotation

Rotate between:

Abdomen (most common)
Outer thigh
Upper arm

Storage Requirements

Lyophilized (Powder Form)

Temperature: -20°C (-4°F) or colder
Duration: 2+ years
Conditions: Protect from light and moisture

Reconstituted

Temperature: 2-8°C (36-46°F)
Duration: 3-4 weeks
Conditions: Protect from light, do not freeze

Research Considerations

Mechanism of Action

Sermorelin stimulates GH release through:

GHRH receptor binding: Activates pituitary somatotrophs
Pulsatile release: Maintains natural GH secretion patterns
Feedback preservation: Does not override hypothalamic control
IGF-1 increase: Secondary to GH elevation

Advantages Over Direct GH

Sermorelin	Direct GH
Preserves pulsatile release	Continuous levels
Maintains feedback loops	Overrides feedback
Lower risk of supraphysiological levels	Dose-dependent elevation
More physiological	Pharmacological

Synergistic Combinations

Research often combines Sermorelin with:

Ipamorelin (GHRP):

GHRH + GHRP = synergistic GH release
Common research combination
Different receptor targets

CJC-1295:

Extended half-life GHRH analog
Can be used alternatively or in combination

Factors Affecting Response

Research has shown response may be influenced by:

Age: Younger subjects typically show stronger response
Body composition: Higher body fat may blunt response
Sleep quality: GH release tied to sleep stages
Fasting state: Fed state reduces GH response
Blood glucose: Elevated glucose suppresses GH

Sourcing for Research

Source from verified suppliers that provide third-party testing and certificates of analysis (COA) for each batch. Compare purity documentation, shipping conditions, and batch traceability before purchasing research materials.

Scientific References

Vittone J, et al. “Effects of single nightly injections of growth hormone-releasing hormone (GHRH 1-29) in healthy elderly men.” Metabolism. 1997;46:89-96.
Walker RF. “Sermorelin: A better approach to management of adult-onset growth hormone insufficiency?” Clin Interv Aging. 2006;1:307-308.
Merriam GR, et al. “Growth hormone-releasing hormone in aging.” Endocr Dev. 2013;25:65-87.

Last updated: December 01, 2025

Disclaimer: This information is for educational and research purposes only. Sermorelin is a research chemical not intended for human consumption. Always follow applicable laws and institutional guidelines.