7-Dehydrocholesterol is the substance that is within the skin. When this substance is exposed to UV radiation from the sun, it is converted into vitamin D-3 or cholecalciferol. This is the form our bodies use to help us increase the absorption of calcium and other functions.
vitamin D, and D only not C
vitimin D
The skin produces vitamin D when exposed to sunlight. Vitamin D levels are monitored by the thyroid gland, which produces a hormone when levels are low, causing the skin to produce vit. D.
D, through sunshine acting on skin
No, it is low in vitamin K
Ultraviolet
vitamin D human skin produces vitamin D when exposed to sunlight
Vitamin D. The body produces vitamin D when sunlight (ultraviolet light) strikes the skin.
No, the sebaceous gland produces sebum, or skin oil.
I do not know if you need potassium with vitimin D. Through personal experience with the doctor potassium ( prescription ) never required vitimin D supplements. It would appear that either way they would not have to rely on the other to be effective. hope this helps.
Human skin produces Vitamin D in presence of sun light but not the other parts of body.
Strawberries do have vitamin A. Vitamin A is vital for healy hair and skin