Renin is an enzyme hormone produced by the kidneys and helps control the release of aldosterone. Renin is usually compared to aldosterone when lab testing is used. If aldosterone by itself is low, it can point to an adrenal issue. If both aldosterone and renin are low, it can point to a pituitary issue. For the latter, see this study.

***To read what thyroid patients have learned in interpreting this test, go here.

Important notes: All the information on this website is copyrighted. STTM is an information-only site based on what many patients worldwide have reported in their treatment and wisdom over the years. This is not to be taken as personal medical advice, nor to replace a relationship with your doctor. By reading this information-only website, you take full responsibility for what you choose to do with this website's information or outcomes. See the Disclaimer and Terms of Use.