In humans, the most important compounds in this group are vitamin D3 (also known as cholecalciferol) and vitamin D2 (ergocalciferol).

Xian City (Chang'an) is fortified against invasion.

Vegan diets tend to be higher in dietary fibre, magnesium, folic acid, vitamin C, vitamin E, iron and phytochemicals, and lower in calories, saturated fat, cholesterol, long chain omega 3 fatty acids, vitamin D, calcium, zinc and vitamin B12.

Hanička artillery fort hidden under the ground

The name of the Roman fort is not recorded.

Very few foods contain vitamin D synthesis of vitamin D (specifically cholecalciferol) in the skin is the major natural sources of the vitamin.

The first Russian outpost, Orsk, was built in 1735.

Charles would construct the first permanent fortification in the city, doing so on that same island.

In a study by Mithal et al., Vitamin D insufficiency of various countries was measured by lower 25 hydroxyvitamin D. 25(OH)D is an indicator of vitamin D insufficiency that can be easily measured.

This includes vitamin A, C, E, selenium, zinc, and folic acid with or without vitamin B12.

This is separate from vitamin D.

Tangerines contain a lot of vitamin C.

Mandarin oranges have a lot of vitamin C.

I need more vitamin D.

Well known human vitamin deficiencies involve thiamine (beriberi), niacin (pellagra), vitamin C (scurvy), and vitamin D (rickets).

Individual B vitamin supplements are referred to by the specific name of each vitamin (e.g., B1, B2, B3 etc.).

Oranges contain a lot of vitamin C.

Oranges are rich in vitamin C.

They know what vitamin means.

Oranges have a lot of vitamin C.

A tour guide will point out to you many interesting facts about these Gothic fortifications.

Now, what we were careful to do was, vitamin D is made by ultraviolet B rays and we wanted to separate our story from the vitamin D story.

Vitamin D3 (cholecalciferol) is the preferred form since it is more readily absorbed than vitamin D2.

He gives half of them vitamin C.

He gives half of them vitamin B12.

Oranges are a good source of vitamin C.

In 1453, the market street, church, and castle were destroyed by fire.

But this is a separate mechanism from vitamin D.

Vitamin C is also known as ascorbic acid.

They moved into a blacksmith shop, which they hoped to use as a makeshift defensive fortification.

Should I take vitamin C? Should I be taking wheatgrass?

All your vitamins, A, B, C. Vitamin D from the sun.

I ate a fresh lemon for the vitamin C.

Vitamin B12 is needed for the production of hemoglobin.

Black cobalt(III) oxide (Co2O3) is also known.

It is no longer considered a true vitamin or part of the Vitamin B complex.

Tocopherols and tocotrienols (vitamin E) Vitamin E is the collective name for a set of eight related tocopherols and tocotrienols, which are fat soluble vitamins with antioxidant properties.

As it used to be the Moravian capital, Olomouc obviously needed adequate protection.

Also of interest is the state capital of São Luís, designated a Unesco World Heritage Site.

So we used ultraviolet A, which doesn't make vitamin D.

Sunshine is the main source of vitamin D.

He called it vitamin D because it was the fourth vitamin to be named.

Sancho ordered the fortification of the city and built a castle which is today an important monument of Portuguese heritage.

And importantly, it's a rich source of vitamin B12.

Egg yolk is one of the major sources of vitamin A.