Can You Take CJC-1295 and Melatonin Together?

Dose or timing may matter

The short answer

CJC-1295 stimulates pulsatile GH release, which is naturally highest during deep sleep. Melatonin alters sleep architecture. Taking exogenous melatonin may shift the timing of GH pulses, potentially reducing the efficacy of CJC-1295.

How to arrange timing

If using CJC-1295 and melatonin together, take CJC-1295 well before bedtime and melatonin at your normal sleep time.

Reference

Reference noted for this combination: Van Cauter E, Plat L. Physiology of growth hormone secretion during sleep. J Pediatr. 1996;128(5 Pt 2):S32-37.

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.