Low Vanillyl Mandelic Acid (VMA) Diet: Pre-Test Preparation and Guidelines
1. Introduction The low vanillyl mandelic acid diet is a temporary, highly specific nutritional protocol required prior to and during a 24-hour urine collection test. Vanillyl mandelic acid is a primary metabolite of catecholamines, which are hormones produced by the adrenal glands. Healthcare providers measure the levels of this metabolite to diagnose or rule out … Read more