The main function of vitamin D is act as the destroyer and killer all kinds of viruses and bacteria that invade the body, also gives strength to the body against disease. Therefore, vitamin D deficiency or overdose can cause several diseases. Vitamin D is also very important to expedite the process of bones and teeth  growth also keep it out of brittleness. If there is deficiency of vitamin D, the body will experience a variety of diseases, such as osteoporosis, osteopenia, diabetes, hypertension, and other cardiovascular disease, breast cancer, and endometrial cancer. Meanwhile if there is overdose of vitamin D, also cause several disease. Actually, the specific disease caused by vitamin D overdose does not exist. It's just that organ damage can be experienced due to excess vitamin D. Vitamin D is also known to carry a fair amount of calcium. For excess daily consumption causes renal impaired performance and overburdened.



Vitamin D is essential for bone health because it plays a role in calcium absorption in the stomach and digestive tract. Without sufficient vitamin D, your body will not be able to absorb calcium properly so having weak bones. Vitamin D is a pro-hormone that our body uses to transport calcium from the digestive through the blood to the bones, heart, brain, lungs and other organs that require it.

It is need to meet the requirement daily intake of vitamin D, according to the United States Institute of Medicine, the recommended dietary allowances of vitamin D are:

  • Infants 0–6 months: 400 IU/day* 
  • Infants 6–12 months: 400 IU/day* 
  • 1–70 years of age: 600 IU/day (15 μg/day) 
  • 71+ years of age: 800 IU/day (20 μg/day) 
  • Pregnant/lactating: 600 IU/day (15 μg/day) 
  • Asterisk for infants indicates Adequate Intake (AI) for infants, as an RDA has yet to be established for infants.

Vitamin D foods

Vitamin D is a lot coming from the morning sun, working on bone mineralization by increasing the absorption of calcium and phosphorus in the digestive system, so that the levels in the blood increases. This is done by taking calcium from the bones and to encourage retention by the kidneys. Even so, you also can get vitamin D from foods such as Green vegetables, oranges, strawberries, tomatoes are also rich in lycopene, broccoli, cod liver oil, salmon and mackerel, tuna fish and sardines, cereals are fortified with vitamin D, eggs (including the yolk), also margarine are fortified with vitamin.

Vitamin D Deficiency Symptoms

Anyone know what are the symptoms? Abnormal bone formation is a symptom of vitamin D deficiency which can lead to other diseases that spread more severe. Symptoms of vitamin D deficiency is restless, forehead always sweating, irritable and also swelling in the joints and cartilage to form 2 circles are hard. Usually these symptoms if attacked children who are deficient in vitamin D will look fat even though underweight. 

The most severe symptoms are leg bone formation in children is not normal. Can be concave or convex. Their stomach would like enlarged and swollen to the front and followed by constipation. This is because the intake of vitamin D deficiency as a baby. Inadequate intake of milk into the cause of these symptoms arise. Usually phosphorus and calcium deficiency. But it could be a deficiency of vitamin D was greater so that the intake of phosphorus and calcium were not met.

Symptoms of Vitamin D Overdose

Emotional symptoms of excess vitamin D is usually marked by nervous, irritable or short-tempered. While the physical symptoms that can be observed is dehydration and severe headaches. For long-term symptoms can be neurological abnormalities, muscle shape that started not fit, and there is itching, weak and tired. Can even interfere with the urinary tract. The occurrence of excessive urine production, and the presence of kidney stones can lead to kidney failure. Therefore, it is important to pay attention to the symptoms of your long term health.

Keep in mind that the initial diagnosis of vitamin D overdose is not easy. However, if the feeling or condition of your body is not good due to the consumption of vitamin D, immediately go to the doctor to check if you have been exposed to toxic or toxicity of vitamin D.
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