A collection of videos on youtube
Books on Amazon

Results of a Prostate Cancer/Vitamin D Trial: Effectiveness Safety Recommendations

Dr. Bruce Hollis – Vitamin D Dosing Interval

Dr. Bruce Hollis – Vitamin D, Prostate Cancer and Health Disparities

Cadila Pharmaceutical’s International Speaker Program- Recent Advancements in Vitamin D Therapy

Vitamin D supplementation in pregnancy & breastfeeding – effectiveness and safety. Dr Bruce Hollis

Dr. Bruce Hollis – Vitamin D Requirements for Breastfeeding Mothers & Infants