Study Warns Vitamin D2 May Lower D3 Levels
A new study from researchers at the University of Surrey and other UK institutions reveals that taking vitamin D2 supplements can reduce levels of vitamin D3 in the body. This finding, published in 2025, challenges long-held beliefs about vitamin D forms and urges people to rethink their supplement choices for better immune and bone health. The Key Discovery from Recent Research Scientists analyzed data from multiple randomized controlled trials spanning…










