Can You Take Ipamorelin and L-Arginine Together?

Use extra care with this pair

The short answer

Ipamorelin stimulates GH release via the ghrelin receptor, while L-Arginine suppresses somatostatin to increase GH secretion. Combining both GH-releasing mechanisms may elevate growth hormone to supraphysiological levels.

How to arrange timing

Monitor IGF-1 levels and signs of GH excess when combining Ipamorelin and L-Arginine. Consider using them on alternating days.

Reference

Reference noted for this combination: Raun K, et al. Ipamorelin, the first selective growth hormone secretagogue. Eur J Endocrinol. 1998;139(5):552-561.

Important context

Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.