Overview
GHRP-2 is a synthetic hexapeptide that activates ghrelin receptors to stimulate potent, dose-dependent growth hormone release. The peptide works through receptor-mediated mechanisms to trigger pulsatile GH secretion from the pituitary gland.
Key Specifications
Reconstitution: Add 3.0 mL bacteriostatic water to achieve approximately 1.67 mg/mL concentration.
Measurement: At this concentration, 1 unit on a U-100 insulin syringe equals approximately 16.7 mcg.
Dosing Protocol
Standard Gradual Titration Approach
| Timeframe | Daily Dose | Insulin Syringe Units |
|---|---|---|
| Weeks 1-2 | 100 mcg | 6 units (0.06 mL) |
| Weeks 3-4 | 150 mcg | 9 units (0.09 mL) |
| Weeks 5-16 | 200 mcg | 12 units (0.12 mL) |
Frequency: Once daily via subcutaneous injection. Evening administration may align with natural nocturnal growth hormone rhythms.
Duration: 8-16 week cycles with gradual titration to assess tolerance.
Advanced Option: Some researchers explore 250-300 mcg daily, though limited additional benefit may occur beyond standard dosing.
Reconstitution Instructions
1. Draw 3.0 mL of bacteriostatic water using a sterile syringe
2. Inject slowly down the vial wall to avoid excessive foaming
3. Gently swirl or roll until fully dissolved — do not shake
4. Label vial with reconstitution date
5. Refrigerate at 2-8°C (35.6-46.4°F) protected from light
Storage Guidelines
Lyophilized Form: Store at -20°C (-4°F) in dry, dark conditions. Stable for extended periods when frozen.
Reconstituted Solution: Refrigerate at 2-8°C and use within 2-3 weeks for optimal integrity. For longer storage, consider freezing aliquoted portions at -20°C, though repeated freeze-thaw cycles should be avoided.
Allow vials to reach room temperature before opening to minimize condensation.
Supplies Needed (Per 8-16 Week Cycle)
– Peptide Vials: 2-5 vials (depending on cycle length)
– U-100 Insulin Syringes: 56-112 syringes (7 per week)
– Bacteriostatic Water: 1-2 x 10 mL bottles
– Alcohol Swabs: 2-3 x 100-count boxes (two per daily injection)
Administration Technique
– Clean vial stopper and injection site with alcohol swabs; allow to dry completely
– Use fine-gauge insulin syringe (typically 29-31 gauge, 0.5-inch needle)
– Pinch approximately one inch of skin fat at injection site
– Insert needle at 45-90° angle into subcutaneous tissue
– Do not aspirate before injection
– Inject slowly and steadily; wait several seconds before withdrawing
– Rotate injection sites (abdomen, thighs, upper arms) systematically, spacing injections at least one inch apart
– Dispose of syringes in sharps container
How It Works
GHRP-2 binds to and activates ghrelin receptors, triggering strong pulsatile growth hormone release. Clinical studies demonstrated meaningful GH increases even at low doses, with sustained efficacy maintained through continued dosing over several months.
Potential Benefits
– Stimulates robust pulsatile GH release supporting favorable body composition changes
– May increase IGF-1 levels when combined with other therapies
– Generally demonstrates a tolerability profile comparable to placebo in clinical trials
– Long-term therapy (8-24 months) has maintained positive growth-supporting effects with monitoring
Possible Side Effects & Considerations
– Transient hunger sensation or mild flushing may occur
– Injection-site reactions (redness, irritation) occasionally observed
– Very frequent dosing can cause receptor desensitization; once-daily administration avoids this issue
– Multiple daily injections have been explored but may offer limited additional benefit
– Document daily doses and rotate injection sites to maintain consistency and prevent complications
Lifestyle Optimization
– Maintain adequate protein intake to support anabolic effects
– Incorporate resistance training to maximize body composition benefits
– Prioritize quality sleep, as natural GH pulses occur during deep sleep
– Manage stress effectively for consistent adherence
– Stay well hydrated
Storage Requirements Summary
| State | Temperature | Duration | Notes |
|---|---|---|---|
| Lyophilized | -20°C | Extended | Keep dry and dark |
| Reconstituted | 2-8°C | 2-3 weeks | Protect from light |
Important Notes
– Use new sterile syringes for each injection
– Avoid frequent dosing schedules that cause tachyphylaxis
– Do not massage injection sites after administration
– Maintain documentation of daily doses and site rotation
– This protocol is for educational and research purposes only
Disclaimer
This content is intended for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Not for human consumption.