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Vitamins A, B, C and D The Facts PowerPoint PPT Presentation

The latest in our series of Revive Guides covers the subject of the facts behind some of the most popular vitamins A, B, C and D including top benefits. Visit

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Vitamins A, B, C and D The Facts

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Vitamins a b c and d the facts

Revive Guides

Vitamins A,B,C & D

The Facts

Vitamins a b c and d the facts

What is Vitamin A?

Vitamin A, also known as retinol, is a micronutrient which performs many different tasks within the

body. Perhaps its primary role is in support of the immune system - it helps to safeguard against

infection, and to preserve the integrity of the skin, as well as other points of entry for harmful

microbes, like the nose.

Vitamin A also helps to promote good eye health - particularly when it comes to vision in dim light.

It does this by helping with the production of proteins that absorb light in the retina, as well as the

structural proteins in other parts of the eye like the cornea.

Top Benefits

"' good eye health & vision

"' a healthy immune system

"' cell growth and division

"' an antioxidant

"' fights cell damage

If you avoid animal products for ethical reasons, then don't

despair. Unlike many other vitamins, the body can actually

synthesise the vitamin A it needs itself with the help of a

substance called beta-carotene. This is found in several

varieties of fruit and vegetables, most famously carrots

(hence the conventional wisdom that eating carrots helps

you to see in the dark), but also spinach and sweet


Vitamins a b c and d the facts


Health Care

What is Vitamin B ?

Vitamins are types of micronutrients required by the body in just very small quantities - measured in

just milligrams. Most classes of vitamin contain a few different types, each of which helps with a

different part of the body's functionality. But B vitamins are perhaps the most widely-varying of all.

They are all are water-soluble, and help cells to process nutrients and thereby sustain themselves.

Let's take a look at a few of the more common varieties in turn, and at what effect they have on the


Thiamine (Vitamin 81)

Thiamine plays an important role in helping to process carbohydrates. It collaborates with other

B-vitamins to extract them from and translate them into forms of energy that the cells can use. It

also helps to maintain the health of the nervous system, preserving the function of nerve cells. It also

plays a role in producing DNA and RNA - the instructions which inform this cell-building work.

You'll find thiamine in eggs, and in fresh and dried fruit. By far the most common source of dietary

thiamine is grain, such as that contained in breakfast cereal. It's found most abundantly in unrefined

grains, and less so in refined ones - though certain countries, like the US, have laws requiring millers

to enrich their refined flour using thiamine to compensate for the loss.

Vitamins a b c and d the facts

Riboflavin is a close cousin of thiamine. It too helps to maintain the nervous

system, and to help with the processing of energy from the food we eat. It also

helps to carry out repairs on the skin and eyes, and thereby guard against

infectious disease. Unlike many other vitamins, the body is incapable of storing

riboflavin for later use - and so it must be consumed daily.

effect they have on the body.

Niacin (Vitamin 83)

Niacin is functionally very similar to riboflavin - it too helps us to

metabolise carbohydrates in the foods we eat, and to maintain the healt

of the skin and nerves. A deficiency of niacin can slow your metabolism

down, causing you to feel the cold more. In extreme cases it can lead to

pellagra, a disease which makes the skin extremely sensitive to sunlight.

effect they have on the body.

stay energised all day

� healthy skin and hair

� helps prevent memory loss

Top Benefits

Of Vitamin D?

� helps prevent migraines

ntothenic Acid (Vitamin BS)

Pantothenic acid is a vitamin which, in conjunction with others, helps to process energy from food

and deliver it to the cells in the body. It can be found in many types of food in small quantities - but

by far the best source is meat. If you prefer vegetables, then you might consider introducing

broccoli and avocado into your diet- as both contain high levels of this enormously useful vitamin.

You'll also find it in whole grains - though the refining process often removes this vitamin, and so

brown rice and bread is preferable to white.

Pyridoxine (Vitamin 86)

This is a vitamin which helps the body not only to extract energy from the food we eat, but to store

the energy so that it can be used as required. It also helps the body to generate haemoglobin - the

substance which allows for oxygen to be transported through the body in red blood cells.

It's found in an enormous number of different foods, ranging from meat to eggs to nuts to potatoes

to bread. If you're eating, then the chances are that you're eating Pyridoxine.

Cobalamin (Vitamin Bl 2)

Cobalamin is a substance which allows the body to build new red blood cells, and thereby transport

oxygen to the areas of the body which require it. It's also concerned with getting energy from food,

and with metabolising folic acid.

Bl 2 is found abundantly in meat, salmon, milk, cheese and eggs - but not so abundantly in fruits

and vegetables. Consequently, vegans might wish to supplement their intake, in order to avoid

symptoms of deficiency, like anaemia.

Vitamins a b c and d the facts


What is Vitamin C ?

Vitamin C is a substance that is required in small quantities by the body. It’s used to create collagen,

a sort of protein found in your skin, muscles, vital organs and blood vessels. Without vitamin C, the

body is unable to create the collagen needed to repair these things, and they begin to break down.

Vitamin C is essential in preserving the health of many diferent organs in the body, since every

organ will over time degrade and need repairing. Unlike some other sorts of vitamin, the human

body is unable to synthesise vitamin C. This means that you must consume it through diet.

Fortunately, there are many diferent dietary sources.

Top Benefts

Our Vitamin C supplements are designed to release

nutrients over an extended period of time which studies

have shown can boost immune systems against infections,

reduce tierdness and fatgue, increase iron absorption,

assist the bodies repair processes (things like blood vessels,

bones, teech, gums, skin, and cartilage) and contribute to a

nomal energy yielding metabolism.

anti-infammatory properties

creates collagen for body repair

preserves healthy skin

contributes to the immune system

helps with energy levels

Vitamins a b c and d the facts


What is Vitamin D ?

Vitamin D is a group of fat-soluble vitamins which help your body to metabolise important minerals

like calcium and phosphate. If you’re not getting enough vitamin D, you will be unable to absorb

these nutrients – no matter how much milk you drink.

This means that vitamin D is essential for the development and maintenance of healthy teeth and

bones. If you don’t get enough vitamin D, then you’ll be at greater risk of developing bone disorders

If you expose your skin to sunlight during the summer months, then your body will generate and

store all the vitamin D you need to last you through the winter. What sun is that I hear you ask?

Top Benefts

Not everywhere in the world has the same exposure to

sunlight. But fortunately, people living in colder climates

can make up for these discrepancies by taking

supplements. There are a few demographics which are

especially at risk of vitamin D defciency. These include

pregnant women, small children, the elderly, and

teenagers who may spend most of their time indoors.

facilitates normal immune system

supports brain & nervous system

supports cardiovascular health

regulates insulin levels

maintains bones and teeth

Vitamins a b c and d the facts

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