REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026

For research purposes only. Full disclaimer →

Stack Library

Natural GH Secretagogue

GH Optimizationbeginner
50
Peptides

2

Avg Daily mcg

414

Level

beginner

Added

May 16, 2026

Overview

The Natural GH Secretagogue is a clean, beginner-friendly peptide stack designed to restore youthful growth hormone output through gentle, physiological stimulation of the pituitary gland. By combining Ipamorelin, a highly selective ghrelin receptor agonist, with Sermorelin, a truncated analog of natural growth hormone-releasing hormone, this protocol mimics the body own GH secretion patterns while amplifying their magnitude. Ipamorelin at 200mcg daily delivers targeted GH pulses by activating ghrelin receptors on pituitary somatotroph cells. What distinguishes Ipamorelin from other secretagogues is its remarkable selectivity: it stimulates growth hormone release without elevating cortisol, ACTH, prolactin, or aldosterone, and it does not significantly increase appetite. This clean pharmacological profile makes it the most side-effect-friendly GH peptide available. Sermorelin at 300mcg on a 5-days-on/2-days-off schedule activates the GHRH receptor, providing the primary physiological signal for GH synthesis and release. The cycling protocol preserves receptor sensitivity and prevents the downregulation that can occur with continuous GHRH exposure. The synergy between these two peptides operates through complementary receptor systems: Sermorelin primes the pituitary through the GHRH pathway while Ipamorelin amplifies the release through the ghrelin pathway. Research demonstrates that co-administration of GHRH and ghrelin-mimetic peptides produces GH output greater than either alone, often approaching supraphysiological levels from purely secretagogue-driven mechanisms. Administer both peptides before bed on an empty stomach (no food for 2-3 hours prior) to coincide with the natural nocturnal GH surge. On Sermorelin rest days (weekends), Ipamorelin alone maintains baseline GH support. This stack is ideal for beginners aged 30 and above who are noticing early signs of GH decline: reduced recovery capacity, increased body fat around the midsection, lighter sleep, and slower healing. It is also suited for those who want the benefits of optimized GH without the complexity or cost of multi-peptide advanced protocols. Users can expect improved sleep quality within the first week, enhanced recovery within 2-3 weeks, and body composition changes over 8-12 weeks. No harsh side effects are expected at these doses. Standard cycle length is 12 weeks with a 4-week break, and blood work (IGF-1, fasting glucose) is recommended at baseline and mid-cycle.

Dosing Protocol

Ipamorelin

Every day

200 mcg

per dose

Sermorelin

5 days on/2 off

300 mcg

per dose

Goals & Evidence

Evidence tier:community

Disclaimer: This stack is community-submitted and for research purposes only. PeptideVault does not verify the safety or efficacy of submitted stacks. Always consult a qualified healthcare professional before using any peptide protocol.