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Sermorelin
Lab verified98.9% pureHPLC + Mass specEndotoxin tested
PS-113 · Metabolic Research

Sermorelin

4.6 · 63 reviews

The 1-29 fragment of GHRH, a long-standing reference compound for GH-axis research.

Read the Sermorelin research guide→
$112.1811.22/mg

In stock

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✓ Orders placed before 2:00 PM CT on a business day ship the same day.

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Frequently paired with
  • Best value!
    Make this a kit
    Sermorelin + 3 mL BAC water + 10 syringes + 10alcohol pads — pads free, water & syringes 25% off
    Starting at
    $127.29
    $135.32
  • Bacteriostatic Water
    0.9% benzyl alcohol water for reconstitution, sold as a single vial.
    $13.14
  • Insulin Syringes
    31G 0.5 mL sterile syringes, sold in packs of 10, 100, or 300.
    $7
  • Alcohol Prep Pads
    70% isopropyl alcohol pads, sold in packs of 10 or 200.
    $3
  • Great value!
    GH-Axis Research Pair
    A GHRH analog and a selective GHRP, the combination most published GH-axis protocols study together.
    Starting at
    $88
    $106.46

Molecular specification

Molecular formula
C149H246N44O42S
Molecular weight
3357.9 g/mol
CAS number
86168-78-7
Amino acids
29
Appearance
White lyophilized powder
Purity (HPLC)
98.9%
Elimination half-life
≈ 11–12 min

Mechanism & published research

GHRH receptor agonism via the active 1-29 sequence.

  • GH-axis stimulation characterized across decades of research.

    human trialadults and pediatric research·representative GHRH literaturePubMed ↗

Descriptions summarize existing published research and are not claims about outcomes from use. Every citation states its study type and population.

How it compares

VersusAttributeNote
CJC-1295Half-lifeSermorelin is shorter-acting than CJC-1295.

Reconstitution

Concentration math only: add bacteriostatic water to the vial and the resulting concentration is shown below. This is not usage guidance.

VialBacteriostatic waterConcentration
10 mg2 mL5 mg/mL
Open the reconstitution calculator →

Storage & stability

StateTemperatureDuration
Lyophilized (unopened)-20°C24 months
Reconstituted2–8°Cup to 2 weeks

Reviews

4.6
Based on 63 verified purchases

Reviews are collected post-delivery and screened to exclude any human-use or dosing-outcome claims before publication. They speak to product quality, shipping, and COA accuracy.

Verified
“Clear answer on the storage window that matched the product page. Consistent information across the board.”
@h.reyes · 2026-05-01
Read more verified reviews →

Product FAQ

How does it compare to CJC-1295?+

Both are GHRH analogs; sermorelin has a shorter half-life. See the comparison table.