What vitamin comes from the sun? Spend this much time outside to avoid a deficiency

WHAT vitamin comes from the sun? Sunlight is the best source of vitamin D and this vitamin plays an important part in keeping a person healthy. A deficiency in vitamin D can cause symptoms including bone and back pain, and fatigue and tiredness. But how much time should you be spending in the sun every day?
Source: Daily Express - Health - Category: Consumer Health News Source Type: news