vitamin D

Vitamin D

It is absorbed with dietary fat, reach blood
 stream via lymphatic system


the first type (cholecalciferol) vitamin D3.....
is main form in man, being synthesised in the skin under the action of ultraviolet light

the second type (ergocalciferol) vitamin D2.....
is the main form ingested in the diet primarily from plants.
Neither form is biologically active until it is converted in the liver to the 25-OH derivative,and this to the 1,25(OH)2
derivative in the kidney


1- faty fish such as salmon, tuna, and mackerel the best soures

2- Beef liver, cheese, and egg yolk provide smal amounts

3- Mushrooms provide som vitamin D the vitamin D content is being boosted by exposing these mushrooms to ultraviolet light

4- Vitamin D add to many breakfast cereals and som prands of orange juice, yogurt, margaine and soy beverages

5- The body makes vitamin D when skin is directly exposted to sun, and most people meet at least some of their vitamin D needs tis way. skin ecposed to sunshine indoors through a window will not produce vitamin D cloudy days, shade, and having dark-colored skin also cut down on the amount of vitamin D the skin makes

6-however, dispite the importance of the sun to vitamin D synthesis, it's prudent to limit exposure of skin to sunlight in order to lower the risk for skin

Benefits of vitamin D

1-Deposition if minerals in the bone
2-Increases absorption of phosphorus
3-Increases prevention of rheumatism
4-supporting immune, brain, and nervous system health
5-Helping in children bone growth
6-Reducing the risk of developing blood pressure diseases
7-Helping losing weight
8-prevents Eclampsia
9- maintain the health of the mind
10- helping with depression
11- supporting lung function and cardiovascular health
12-reduced risk of flu

vitamin D diffeciency

#people can becom deficient in vitamin D because they don't.....

1-consumed enough
2- absorbed enough from. food
3-exposure to sunlight is limited
4-kidneys can't convert vitamin D to it's active form in the body

#General symptoms of vitamin D deficiency......

1-regular sickness or infection
3-bone and back pain
4-low mood
5-impaired wound healing
6-hair loss
7-musical pain

#if vitamin D deficiency continues for long periods, it may result in complications, such as.....

1- cardiovascular conditions
3-pregnancy complications
4-autoimmune problems
5- neurological diseases
6-certain cancers,especially breast, prostata, and colon

#In children vitamin D diffeciency courses.....

1-rickets where the bones become soft and bend

&& it's rare disease but still occurs

#In adults vitamin D diffeciency courses.....

1-osteomalacia courses bone pain, and muscle weakness

#older million people (mostly women, but man too) develop, or are at risk of......

1-osteoporosis, where bones becom fragile, and may fracture if one falls

&& it's one consequence of not getting enough calcium and vitamin D over the long term

&& some studies suggest that vitamin D may protect against colon-cancer, and perhaps even cancer of the prostate and breast

vitamin D toxicity

3-poor appetity
6-weight loss

# Higher level of vitamin D in the blood have also been linked to rates of

7-pancreatic cancer
10-problems with heart rhythm
11-damage the kidneys

written by: 
dr: Hassan Ahmed mostafa 🤨 
Shaimaa Ahmed Abo elyazied🌸
Under the patronage of owner 
Ahmed Said