In this video I talk about vitamin D supplementation: the who, what, when, where and why!
Sources cited in the video:
1. nutritionreport/99-02/pdf/nr_ch2b.pdf
2.
3.
4.
Link to an affordable Vitamin D supplement: NOW Supplements, Vitamin D-3 1,000 IU, High Potency, Structural Support*, 360 Softgels
