Blog — fasting insulin test

A fasting insulin test helps identify early signs of insulin resistance, often before blood sugar levels become abnormal. By measuring insulin after an overnight fast, it provides valuable insight into metabolic health, energy balance, and long-term risks such as diabetes and heart disease. Easy at-home testing with a simple finger-prick sample allows you to understand your insulin levels clearly and take proactive steps to protect your health.

The UK is facing a growing obesity crisis, with two-thirds of adults and a rising number of children classified as overweight or obese. A recent UK Parliament briefing highlights alarming trends, including regional and ethnic disparities and increased risks linked to socioeconomic status. While public health strategies continue to evolve, addressing the hormonal root of weight gain may offer a more effective, personalized solution. ZRT Laboratory’s Weight Management Profile helps uncover hidden hormonal imbalances—such as elevated cortisol, low testosterone, or thyroid dysfunction—that contribute to stubborn fat gain, poor metabolism, and increased disease risk.