Discussion Forums > Diet, Nutrition and Supplements
Vitamin D megadoses via IV
Sharmin:
Little A had the 25-hydroxy vitamin D test this morning. Results are pending. I have read that the normal range is 16.0 to 74.0 nanograms per milliliter (ng/mL) (Normal value ranges may vary slightly among different laboratories.)
http://www.nlm.nih.gov/medlineplus/ency/article/003569.htm
--- Quote ---Alternative Names Return to top
25-OH vitamin D test; Calcidiol 25-hydroxycholecalciferol test
Definition Return to top
The 25-hydroxy vitamin D test is the most accurate measure of the amount of vitamin D in the body.
In the kidney, 25-hydroxy vitamin D changes into an active form (called 1,25-dihydroxy vitamin D). The active form helps control blood levels of calcium and phosphate.
This article discusses the blood test used to measure the amount of 25-hydroxy vitamin D.
How to Prepare for the Test Return to top
Do not eat for 4 hours before the test.
A deficiency means you do not have enough vitamin D in your body.
An excess means you have too much vitamin D in your body.
Normal Results Return to top
The normal range is 16.0 to 74.0 nanograms per milliliter (ng/mL). Normal value ranges may vary slightly among different laboratories.
What Abnormal Results Mean Return to top
Lower-than-normal levels suggest a vitamin D deficiency. This condition can result from:
Lack of exposure to sunlight
Lack of adequate vitamin D in the diet
Liver and kidney diseases
Malabsorption
Certain medicines, including phenytoin, phenobarbital, and rifampin
A vitamin D deficiency may lead to:
Low blood calcium levels (hypocalcemia)
Thin or weak bones (rickets, osteoporosis and osteomalacia)
High levels of parathyroid hormone (secondary hyperparathyroidism)
Higher-than-normal levels suggest excess vitamin D, a condition called hypervitaminosis D. It is usually caused by vitamin D in the form of doctor-prescribed dietary supplements. This can lead to high calcium levels (hypercalcemia).
Considerations Return to top
Low vitamin D levels are more common in African American children, particularly in the winter, as well as in infants who are exclusively breastfed. Low vitamin D levels have also been associated with an increased risk of developing cancer.
--- End quote ---
Andy, in light of current research and recommendations should vitamin D levels be higher than recommended here? Also, do thals need to maintain higher vitamin D levels than non thals?
Thanks Andy,
Sharmin
Andy Battaglia:
The daily minimum requirements of many vitamins were based on what amount was needed to prevent illnesses like rickets and scurvy. In no way do these minimum requirements take into account the amounts of vitamins needed for optimal health. It seems that every day a new study is released trumpeting the role of vitamin D in numerous bodily functions. I have no doubt that not only is the requirement for vitamin D in need of adjusting but that also, most people who do not get regular sunlight year round, are deficient in vitamin D. In addition, doses as high as 60,000 IU have been shown to be safe. My own experience with vitamin D in recent years has convinced me that dramatic improvements in health can be accomplished with vitamin D supplementation. I do feel that the recommended daily dosages are too low for vitamin D.
Sharmin:
Thanks Andy,
This will help me when they give me the results :)
Sharmin
Sharmin:
Andy,
Little A's vitamin D is still quite - his level is 60.6 and the normal range is (80 - 200). I hope that they will do something soon.
Sharmin
Zaini:
Sharmin,
He hasn't recieved Vitamin D via IV right? so that will correct his levels hopefully.
Zaini.
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