Research Hub

Science-backed guides on peptide pharmacology, protocols, and best practices.

GH Axis

GH Secretagogues: CJC-1295 and Ipamorelin

The most widely used growth hormone-releasing peptide stack explained — how CJC-1295 and Ipamorelin work together to amplify the natural GH pulse.

2026-03-088 min read
GH Axis

Sermorelin: GHRH Analogue for Growth Hormone Stimulation

Sermorelin is a synthetic 29-amino acid GHRH analogue FDA-approved for growth hormone deficiency. Learn about its mechanism, dosing protocols, and clinical research.

2026-03-187 min read
GH Axis

Tesamorelin: Modified GHRH for Visceral Fat Reduction

Tesamorelin is an FDA-approved GHRH analogue modified with a trans-3-hexenoic acid moiety, proven to reduce HIV-associated lipodystrophy and visceral adiposity. Explore the mechanism and clinical evidence.

2026-03-188 min read
GH Axis

GHRP-2: Potent Ghrelin Mimetic for GH Axis Stimulation

GHRP-2 is a potent growth hormone-releasing peptide that acts as a ghrelin receptor agonist, producing strong GH release but with elevated cortisol and prolactin. Learn about mechanism, stacking, and side effects.

2026-03-188 min read
GH Axis

GHRP-6: Potent GH Secretagogue with Marked Appetite Stimulation

GHRP-6 is a hexapeptide ghrelin mimetic that powerfully stimulates growth hormone and appetite. Understand its mechanism, dosing, and why it's not combined with GHRP-2.

2026-03-187 min read
GH Axis

CJC-1295 Without DAC: Pulsatile GH and Ipamorelin Synergy

CJC-1295 without DAC (Modified GRF 1-29) mimics native GHRH with a ~30-minute half-life, enabling synchronized GH pulses when stacked with Ipamorelin. Unlike its albumin-binding variant, this peptide preserves natural pulsatility—critical for sleep GH secretion and long-term GH axis health.

2026-03-189 min read
GH Axis

CJC-1295 with DAC: Sustained GH Elevation and Albumin Binding Explained

CJC-1295 with DAC (Drug Affinity Complex) uses maleimidopropionic acid to bind serum albumin, extending half-life to 6-8 days and creating sustained GHRH agonism. This variant trades pulsatility for convenience and IGF-1 maximization—ideal for users prioritizing simplicity and long-term growth factor elevation over sleep GH preservation.

2026-03-189 min read