The end of Summer already means statistically, around 65% of UK general population are likely clinically deficient. This is due to little sunlight exposure, or overuse of high factor sunscreen. By February next year, this will rise to 87%. If non-Caucasian or obese, the chances of being deficient are much greater. Something to remember is that this will include children who are often forgotten about. You can test for vitamin D, however if you haven’t taken any or haven’t been away to soak up some winter sun, you are likely to be one of the 87%....