Can You Take CoQ10 and L-Arginine Together?

Dose or timing may matter

The short answer

CoQ10 lowers blood pressure by reducing oxidative stress and peripheral resistance, while L-Arginine lowers BP through nitric oxide-mediated vasodilation. The combination may produce additive hypotension.

How to arrange timing

Monitor blood pressure. Generally well-tolerated but may cause dizziness in hypotension-prone individuals.

Reference

Reference noted for this combination: Rosenfeldt FL et al. Coenzyme Q10 in the treatment of hypertension. J Hum Hypertens. 2007;21(4):297-306

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.