Vitamin D is a vitamin that is synthesized by the body. After the skin is exposed to UVB rays from sunlight, especially sunlight between 7-10 a.m., vitamin D is important to the body in many different ways. Vitamin D is found naturally from UV sunlight (UV). and fatty foods from fish, cod liver oil, liver, oatmeal, mushrooms, egg yolks, and cheese, or taking dietary supplements that contain vitamin D as an ingredient.
90% percent of Thai people were found to be deficient in Vitamin D (Vitamin D), even though Thailand has sunshine in every season. But Thai people’s behavior is to protect themselves from the sun by applying sunscreen. and avoid doing outdoor activities that will be exposed to the sun This is the reason why Thai people have vitamin D deficiency.
How important is Vitamin D?
- Helps the body absorb calcium better.
- Helps the hormone synthesis system improve.
- Helps prevent autoimmune disease (SLE)
- Helps prevent osteoporosis.
- Helps control blood sugar levels.
What are the causes of vitamin D deficiency?
By people who are vegetarians and do not eat fish. They tend not to get enough vitamin D each day.
both from avoiding exposure to the sun and from using sunscreen that contains substances (SPF) that reduce the absorption of sunlight into the skin.
Diseases that result in decreased absorption of vitamin D, such as Celiac disease, Crohn’s disease, etc. In addition, surgery to reduce the size of the stomach or small intestine can also contribute to decreased absorption of vitamin D.
The skin’s ability to produce vitamin D and the kidneys’ ability to convert vitamin D to its active form begin to decline.
As a result, the skin’s efficiency in synthesizing vitamin D from sunlight decreases.
Preparation before blood draw
- Can be examined without having to refrain from food and water.
- If you have a congenital disease and use medication regularly Please inform the staff for health advice.
- If taking birth control pills or using hormones Should report the history of the examination.
