GH SecretagoguesTier 2 β Good human studies
Ipamorelin
NNC 26-0161
Selective GH secretagogue with a clean side-effect profile β does not significantly stimulate cortisol, prolactin, or appetite. Ideal for beginners and long-term use.
π SC injectionπ§ Lyophilised: refrigerate; reconstituted: refrigerate, use within 30 days
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Mechanism of Action
Mimics ghrelin by binding GHSR-1a receptors on somatotrophs, triggering a clean, pulsatile GH release. More selective than GHRP-2/6 β minimal effect on cortisol and prolactin.
Clinical Applications
- βGH optimization and anti-aging protocols
- βLean body mass improvement
- βSleep quality enhancement
- βRecovery acceleration
- βStarter peptide for new users
Dosing Protocol
Recommended Dosing
SC injection. 100β300 mcg before bed (or 2β3x/day for aggressive protocols). Most commonly used at 200 mcg nightly. Run 12β20 weeks.Safety & Contraindications
Possible Side Effects
- β Mild water retention
- β Injection site redness
- β Mild headache (usually transient)
- β Increased hunger in higher doses
Contraindications
- βActive malignancy
- βPregnancy and breastfeeding
- βPituitary pathology
Combinations & Synergies
π CJC-1295gold standard GH stack β GHRH + GHRP synergy maximises GH release
π BPC-157healing and recovery
π MK-677avoid combining (redundant GH stimulation, diminishing returns)