Melanie York*, 40, Manchester: "Following several years of deteriorating health and endless tests, in September 2020 I was diagnosed with ME/CFS. I've followed a regular B12 protocol over the last five months and gradually my energy levels have begun to improve."

Julie Burnett, 51, Manchester: "After four weeks I started to notice my pigmentation start to disappear. It was starting to pale to the colour of my skin. After eight weeks of treatment my face looked amazing! I felt much happier when I looked in the mirror."

On National Childhood Nutrition Day, Dr Michael Barnish explains how nutritional deficiency can affect children’s growth and development

Glutathione is often described as the body’s master antioxidant – offering potential protection from free radicals, which cause oxidative damage, otherwise known as ageing of our cells.

Preventative health simply means measures or interventions taken to prevent disease or ageing. Health, disease, and disability are dynamic processes in an individual’s life and therefore preventative healthcare must be as equally dynamic and adaptable to the changes that occur.