.png){kind=link}
 - Vertical.png){kind=link}
.png){kind=link}
 - Vertical.png){kind=link}
.svg){kind=link}
.png){kind=link}
Vitamin D from Sunlight
The ultraviolet radiation from sunlight gives energy to the cholesterol on the skin which helps it produce Vitamin D. UV Radiation is important.
Toxicity levels
50k-100k IU/week?
60k IU/day for several months?
10k+ IU/day?
Safe = 600 IU? 10k IU?
D3?
100 mg = 4000 IU?
By age?
4000 IU is safe UL (Upper Limit)
But 10000 IU is not shown to cause toxicity
Sun exposure on a sunny day = 10000 IU
Recommended Daily dose of adults (600 IU)
50 or older (800 - 1000 IU/day)