No. Milk has also existed in AD times as well.
Yes, Sunlight is an important source of vitamin D. But it is not the only one.
Vitamin D is not only a vitamin, but also a hormone. It's unique because it is made in the body by the skin via sunlight. Some regions in the world do not receive enough sunlight to produce enough Vitamin D. Vitamin D is used to help with calcium absorption and the prevention of Rickets and some bone disorders. For the places that don't get enough sunlight, or people who are unable to get outside a supplement would be useful.
vitamin D, and D only not C
I know that vitamin d is one isn't vitamin e another?
Then we would receive only 1/4 of the sunlight we receive now.Then we would receive only 1/4 of the sunlight we receive now.Then we would receive only 1/4 of the sunlight we receive now.Then we would receive only 1/4 of the sunlight we receive now.
No, the skin is only capable of producing vitamin D in the presence of sunlight.
Vitamin D. It is produced in small quantities when the skin is exposed to natural sunlight and UV radiation.
The very most easy way to reduce the vitamin d deficiency and its effects is only the sunlight. Yes, sunlight is the one and only best solution to reduce the effects and deficiency of vitamin d. That too evening sunlight is more preferable to reduce the Vitamin D deficiency effects.
No. Sunlight can help your body make vitamin D but you can only get protein from food.
North of the arctic circle, or south of the antarctic circle, but only at certain times of the year.
North of the arctic circle, or south of the antarctic circle, but only at certain times of the year.
Yes the skin is capable of producting vitamin D in the presence of sunlight. It is the only vitamin that can be produced by the body itself. All others must come via diet. Even vitamin D must be supplemented in diet as well.