Can You Take Garlic Extract and L-Arginine Together?

Dose or timing may matter

The short answer

Garlic extract lowers blood pressure via allicin and hydrogen sulfide signaling, while L-Arginine increases nitric oxide for vasodilation. Dual vasodilatory pathways may cause additive hypotension.

How to arrange timing

Monitor blood pressure when combining. May be beneficial for hypertension but watch for dizziness in normotensive individuals.

Reference

Reference noted for this combination: Ried K et al. Effect of garlic on blood pressure: a systematic review and meta-analysis. BMC Cardiovasc Disord. 2008;8:13

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.