Can You Take Berberine and L-Arginine Together?

Dose or timing may matter

The short answer

Berberine lowers blood pressure through vasodilation and sympatholytic effects while L-Arginine produces nitric oxide for vasodilation. Combined use may cause additive hypotension.

How to arrange timing

Monitor blood pressure when using both, especially if already on antihypertensive medication.

Reference

Reference noted for this combination: Lan J et al. Meta-analysis of berberine on blood pressure. J Ethnopharmacol. 2015;161:69-81

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.