Can You Take Higenamine and Synephrine Together?

Use extra care with this pair

The short answer

Both higenamine (a beta-2 agonist) and synephrine (a beta-3 agonist) stimulate the sympathetic nervous system. Their combined adrenergic activation significantly increases risk of tachycardia, arrhythmia, and blood pressure spikes.

How to arrange timing

Avoid combining multiple sympathomimetic compounds. The additive cardiovascular stimulation carries significant risk.

Reference

Reference noted for this combination: Bloomer RJ et al. Acute hemodynamic responses to higenamine in healthy humans. Int J Med Sci. 2015;12(12):902-907

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.