Renin Blood Test

Measures renin activity or concentration in blood.

Measures

Renin activity or concentration in blood.

Why it matters

Renin is released by the kidneys and initiates the cascade that produces aldosterone, regulating sodium handling, fluid balance and blood pressure.

It's nearly always measured alongside aldosterone — the ratio between them is the informative figure, not either alone.

Before you collect

Posture, salt intake, time of day and several blood pressure medications substantially affect renin. Collection conditions must be standardised, and your practitioner should specify them. Don't stop any medication without advice.

Suits

People whose practitioner has requested renin, usually with aldosterone.

Your next step

Once you have your results, book with a Canwell naturopath, nutritionist or practitioner to talk them through and build a wellness plan that suits you. Book with Canwell