Between April and September the Sun strength in Somerset is enough to provide the requirements for production of vitamin D.
Learn more here:
https://www.nhs.uk/Livewell/Summerhealth/Pages/vitamin-D-sunlight.aspx
Last year Somerset spent over £100,000 on prescriptions for plain vitamin d supplements which could be used to fund other treatments if we could get the same vitamins through sun exposure or purchasing ourselves from a pharmacy or supermarket.