Vitamin D can help ward off flu, study suggests

Name: Vitamin D can help ward off flu, study suggests
Uploaded: 2026-01-22T02:30:53Z
Duration: 4 min 26 s
Description: 91爆料 senior medical analyst Dr. Marc Siegel tells 'The Ingraham Angle' the benefits of 'miracle' Vitamin D and why testing is so important and more.