Experts at Newcastle University have found that getting some summer sun is not enough for people struggling with low vitamin D levels, particularly in the North. A new study indicates that at-risk individuals may be living with low vitamin D all year round without knowing it.
Study Details
The research, conducted by the university's human nutrition and exercise research centre, analyzed vitamin D levels in nearly 300 people. It focused on two groups: adults aged 65 and over, and individuals from minoritised ethnic backgrounds of all ages.
In both groups, vitamin D insufficiency was widespread. More than half of older adults were affected, with an even higher proportion among those from minoritised groups. Vitamin D is crucial for bone health, overall well-being, and a strong immune system. Low levels can be linked to conditions like osteoporosis, rickets, and weakened immunity.
Expert Commentary
Bernard Corfe, Professor of Human Nutrition and Health at Newcastle University, co-led the research. He stated: "What's striking about these findings is that vitamin D levels didn't improve, even in the summer months when we would usually expect them to recover. For people living in places like the North of England, this shows that sunlight alone may not be enough, particularly for older adults and those from minoritised ethnic backgrounds."
He added: "The message is simple but important. If you are in a higher-risk group, you can't assume that spending more time outdoors in summer will solve the problem. We need to be thinking about more consistent, year-round ways to support healthy vitamin D levels."
Public Health Implications
The experts suggest the data highlights the need for targeted public health action, which could include better messaging, GP checks, or vitamin supplements. The research will continue by exploring how "personalised and culturally appropriate approaches" can improve vitamin D levels.
The study has been published in the European Journal of Clinical Nutrition and was funded by Better You Ltd. Newcastle University confirmed the firm had no input into the design or implementation of the study.
