Sermorelin (Capsule) (S2)

Sermorelin Oral Capsule

Oral Sermorelin for convenient GH optimization support.

Prohibited in competition. This compound is on the WADA Prohibited List (class [S0 / S2.3 / S2]), banned at all times, both in and out of competition. Athletes subject to WADA or USADA testing should not use it.

100% 50% · t½ Time → Serum level
Molecular Weight Not specified
Half-Life Varies
Typical Dose One capsule per prescriber guidance
Cycle Length 3–6 months

Description

Oral Sermorelin capsules provide a convenient alternative to injectable Sermorelin for GH optimization support. Sermorelin is a synthetic analog of the first 29 amino acids of endogenous GHRH (growth hormone releasing hormone), the hypothalamic peptide that stimulates the pituitary to produce and release GH. Injectable Sermorelin was FDA-approved for the treatment of pediatric GH deficiency and has been widely used in anti-aging medicine. Unlike synthetic GH, Sermorelin stimulates the body’s own GH production in a physiological pulsatile pattern, which preserves the natural feedback mechanisms that regulate GH levels and reduces the risk of GH receptor desensitization. Oral Sermorelin has lower bioavailability than injectable forms due to partial degradation in the GI tract, but still provides meaningful GH stimulation through intestinal absorption. It is particularly valued as a convenient alternative for individuals seeking GH optimization without injections, or as a maintenance protocol between injectable cycles.

Key Characteristics

Molecular Formula

Molecular Weight

Half-Life

Administration Routes

Oral capsule

Typical Dose

One capsule (per prescriber guidance)

Frequency

Daily (bedtime)

Investigated Benefits

* Benefits based on preclinical/animal research unless otherwise noted.

Mechanism of Action

“Oral Sermorelin for convenient GH optimization support.”

Sermorelin binds to GHRH receptors (GHRHR) on somatotroph cells in the anterior pituitary gland, activating adenylyl cyclase and increasing intracellular cAMP. This triggers the synthesis and release of growth hormone (GH) in pulsatile bursts that mirror the natural physiological pattern. GH then acts on the liver and peripheral tissues to stimulate IGF-1 (insulin-like growth factor 1) production, which mediates many of GH’s anabolic and metabolic effects. Unlike exogenous GH administration, Sermorelin preserves the natural negative feedback loop — when GH levels rise sufficiently, somatostatin release from the hypothalamus inhibits further GH secretion, preventing supraphysiological GH levels. Bedtime administration aligns with the natural nocturnal GH pulse and may enhance slow-wave sleep quality through GH’s effects on sleep architecture.

Administration Routes

Oral capsule

Key Characteristics

Typical Dose

One capsule (per prescriber guidance)

Frequency

Daily (bedtime)

Cycle Length

3–6 months

Administration

Oral capsule

Protocol Notes

Take on empty stomach before bed. Higher doses than injectable due to lower oral bioavailability.

Reconstitution Guide

Storage Information

Store at room temperature, away from light and moisture.

Quality & Sourcing Standards

When sourcing Sermorelin (Capsule) for research purposes, the following quality benchmarks should be verified before use.

Purity:

>98% (verified by HPLC)

Certificate of Analysis (COA):

Must be provided by supplier

Endotoxin Testing:

<0.1 EU/mg (prevents bacterial contamination)

GMP Compliance:

Manufactured in cGMP-certified facility

Third-Party Testing:

Independent lab verification preferred

Storage Information

Store at room temperature, away from light and moisture.

FDA Disclaimer

The statements made within this website have not been evaluated by the US Food and Drug Administration. The products and information provided are not intended to diagnose, treat, cure, or prevent any disease. This website is intended for educational and research purposes only. Many peptides described on this site are not approved by the FDA for human therapeutic use and are classified as research chemicals. Nothing on this site constitutes medical advice.

Research Highlights

1

Injectable Sermorelin demonstrated significant GH elevation in clinical studies

2

Oral bioavailability demonstrated in pharmacokinetic studies

3

GH elevation demonstrated for injectable form

Evidence Level

Primarily animal studies with limited human data. Mechanism is plausible but clinical efficacy is unconfirmed.

Compatible Peptides

Peptides commonly used alongside Sermorelin (Capsule) for synergistic effects.

Ipamorelin

The most selective GHRP available, stimulating GH release with minimal cortisol or prolactin elevation.

MK-677 (Capsule)

The only oral GH secretagogue — stimulates GH and IGF-1 through ghrelin receptor activation.

Quick Reference

Category

Hormone & GH

Status

Research Only
 

Dose

One capsule (per prescriber guidance)

Frequency

Daily (bedtime)

Cycle

3–6 months