B
grade
Factors other than sex steroids modulate GHRH and GHRP-2 efficacies in men: evaluation using a GnRH agonist/testosterone clamp.
GHRP-2 (Pralmorelin) · The Journal of clinical endocrinology and metabolism · 2009 · ObservationalHigh-impact journal
The study found that young men had a significantly greater GH response to GHRH and GHRP-2 compared to older men, with abdominal fat negatively impacting GH release.
1.4-fold more GH release with l-arginine/GHRH in young than older men, P = 0.021.