How to Safely Get Vitamin D From The Sun - Healthline
Ask the Doctors - How much sunshine do I need for enough ...
How Much Sun Do You Need for Vitamin D? | U.S. News
How to Safely Get Vitamin D From Sunlight - Verywell Health
Sunlight and Vitamin D: A global perspective for health - PMC
How to get more vitamin D from the sun - Medical News Today
Vitamin D: Do We Need More Than Sunshine? - PMC
Sun Protection and Vitamin D - The Skin Cancer Foundation
The Best Time of Day to Take Vitamin D, According to Science
How much sun do I need to get enough vitamin D?