
THE SCIENCE
Biological Age Testing
Biological age testing measures how old your body is based on cellular and molecular markers, rather than your age in years.
Last Updated: 08 September 2025
What is biological age?
Biological age is a measure of how old your body is at a cellular level, reflecting how well your cells and organs are functioning compared to your chronological age [1]. Unlike your age in years, biological age takes into account various factors such as your diet, exercise, stress levels and even the health of your gut microbiome, which can all influence the ageing process.
Your gut microbiome, made up of bacteria, fungi, viruses, and other microorganisms, plays a vital role in regulating inflammation, metabolism, immune function, and even mental health, all of which contribute to how quickly or slowly your body ages.
How can biological age affect you?
Your biological age impacts various aspects of your day-to-day life, including:
Energy levels
Mental clarity
Risk of chronic conditions such as heart disease, diabetes and cognitive decline
A higher biological age can indicate poor cellular function, increased inflammation, or imbalances in your gut microbiome.
These factors can accelerate the ageing process, making you more susceptible to disease. On the other hand, maintaining a lower biological age through changes in diet, lifestyle and microbiome health can reduce your risk of disease and help you live a longer, healthier life.
What does a biological age test tell you?
A biological age test measures specific biomarkers in your body to assess your cellular age and overall health. In addition to factors such as diet, exercise and stress, the test can also evaluate your gut health.
At Vivere, we use advanced Shotgun Metagenomic Sequencing to provide a detailed analysis of your gut microbiome. By assessing the balance of bacteria and other microbes in your gut, we can identify factors that may contribute to an older biological age and offer personalised recommendations to optimise your gut health. This comprehensive approach allows you to make informed lifestyle choices to lower your biological age and improve your overall well-being.
How to improve your biological age?
Your microbiome's biological age is not fixed. With the right plan you may reduce biological age markers or slow the ageing process. With a Vivere test, you’ll get everything you need to take charge of your gut health and reduce microbiome biological age over time. You get:
Personalised dashboard with your microbiome age, diversity and wellness scores
Tailored nutrition guidance and food scores to support healthy ageing
Science-backed supplement recommendations based on your gut profile
One-to-one nutritionist consultations
Exclusive expert content on gut health, ageing and biohacking
Take a Vivere test today to uncover your microbiome age.
Sources
[1] Modeling biological age and its link with the aging process - PNAS Nexus
Author

Yusra Serdaroglu Aydin, MSc RD
Head of Nutrition and Registered Dietitian

Rosie Warwick, BSc (Hons) RD
Dietitian
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