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Sunshine streaming through window blinds - why vitamin D matters in the UK
Why Most People in the UK Are Vitamin D Deficient (And What to Do About It)
September 15, 2026
Around 1 in 5 adults in the UK has low vitamin D levels. Here's why it happens, how to spot the signs, and what you can do about it — including the role of vitamin D3 and K2 supplementation.