Compare Supplements

Side-by-side comparison of 1 supplements

Gp22.5

GHRP-2

Limited safety

Evidence

Evidence ScoreNot scored

Studies: 8

Meta-analyses: 0

Dosage & timing

Dosage:

No legitimate self-administration dose exists. Japan's approved DIAGNOSTIC use is a single 100 µg IV dose for a GH-stimulation test. Grey-market injectable protocols (~100 µg subcutaneous, 1-3×/day) are unapproved and unvalidated.

Best Time:

Any time

Can take on empty stomach

Form:

None — diagnostic IV use is clinician-administered; there is no validated self-use form

What you'll notice

📈 Raises GH and IGF-1 (short-term biomarker)neutral

Minutes (GH pulse); days-weeks (IGF-1)

🍽️ Increased appetitetrade-off

Hours

⚠️ Raises cortisol and prolactintrade-off

Acute

Safety

Limited safety

Contraindications:

Pregnancy / breastfeeding (avoid — not studied)
Active or history of cancer (GH/IGF-1 elevation is a theoretical proliferation concern)
Diabetes / impaired glucose tolerance (GH secretagogues can reduce insulin sensitivity)

Drug Interactions:

Insulin / antidiabetic drugs
Corticosteroids
Thyroid / other pituitary-axis hormones

Side Effects:

Increased appetite / hungerRaised cortisol and prolactinReduced insulin sensitivity / higher blood glucose

Want to compare more supplements?

Loading comparison...