What are the side effects of Ipamorelin?
The most commonly reported Ipamorelin side effects are head-rush at injection, mild hunger pulse 30 min post-dose, tingling in hands rarely. Most are mild and tend to be dose dependent. It is generally avoided with active malignancy. Human clinical evidence for Ipamorelin is limited, so this reflects reported and observed effects, not a complete safety profile.
Reported Ipamorelin side effects
- Head-rush at injection
- Mild hunger pulse 30 min post-dose
- Tingling in hands rarely
Who should avoid it
- Active malignancy
- Pregnancy / nursing
Bloodwork worth tracking
- IGF-1 baseline + at week 8
References
- Ipamorelin, the first selective GH secretagogue — Raun K et al., Eur J Endocrinol, 1998
- Prospective, randomized, controlled, proof-of-concept study of the ghrelin mimetic ipamorelin for the management of postoperative ileus in bowel resection patients — Beck DE et al., International Journal of Colorectal Disease, 2014
- Injectable Peptides in Sports Medicine: A Structured Narrative Review of Evidence, Safety, and Antidoping Implications — Villegas Meza AD et al., JBJS Reviews, 2026
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.