Can Vitamin D Improve Iron Levels in Older People? A New Study Says No
Vitamin D is often hailed as a ‘wonder’ nutrient, credited with benefits ranging from bone health to immune support. But could it also help with iron absorption, particularly for older people? A recent clinical trial—the BEST-D study—set out to answer this question. The verdict? Vitamin D supplementation is unlikely to make a meaningful difference to iron levels in older people.