Vitamin D Dosage – Getting It Right


As one of the most important nutrients in the body, Vitamin D works by maintaining the normal levels of calcium and phosphorus in the blood. It also helps in the absorption of calcium in the body to help in the formation of strong bones. The lack of this nutrient will cause conditions such as rickets in children and osteomalacia in adults. While it can be found in sources such as sunshine and some foods, you are now able to get it from supplements. However, you need to get the right vitamin D dosage for it to efficiently perform its functions.

Which Factors Affect the Required Dosage of Vitamin D?

It is important to know that there are a number of things that can affect the status of the nutrient in the body, therefore having an impact on the dosage you will require. Some of these factors include:

  • Exposure to the sun – while the sun is the main source of vitamin D, many people do not get enough of it. It is recommended that you get about 10-30 minutes of the sun daily, but this depends on the time of the year and your location. The location is important because people living further north will not have the needed exposure for the sun rays to product vitamin D.
  • Age – the older you get, the more Vitamin D you need because you lose the ability to activate the nutrients in the skin, even when you receive adequate sun exposure.
  • Skin tone – people with dark skin have a lot of pigment, which will interfere with the absorption of the sun rays, making them prone to vitamin D deficiency symptoms.
  • Weight – the dosage individuals will be offered is also affected by their weight. Individuals who are overweight will require more as compared to the rest, even if you get adequate sun exposure.
  • Sickness – individuals who are sick will need more a higher dosage of vitamin D because the body will consume it faster.

Determine Your Levels With a Blood Test

It is recommended that you get a blood test 8 weeks after you start your vitamin D deficiency treatment. The dosage will be offered by the doctor, after they have determined the different factors and the situation of each patient. The advantage is that the tests are usually cheap, and can be done at the hospital, local lab or even at home using a vitamin D test kit. The patients are asked to make sure that the test they have selected is the right one because there are similar ones such as the test for kidney function.

Follow Your Doctor’s Recommendation

You must make sure to take the proper vitamin D iu dosage as recommended by your doctor so that you can maintain the normal levels of the nutrients in your body. This will help to prevent rickets and osteomalacia as well as vitamin D overdose that arises from taking too much of the supplements. This will also help avoid conditions such as osteoporosis, cancer, autoimmune diseases and hypertension.

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