Vitamin D Levels Range

The majority of healthy adults with vitamin d deficiency serum 25 oh d in the range of 10 to 20 ng ml 25 to 50 nmol l do not require any additional evaluation.
Vitamin d levels range. The vitamin d 1 25 dihydroxy level does not have a major change until normal vitamin d levels or 25 oh d drops to levels that are considered a very severe vitamin d deficiency. Hypercalcemia in turn can lead. Many older adults don t get regular exposure to sunlight and have trouble absorbing vitamin d so taking a multivitamin with vitamin d will likely help improve bone health. Because vitamin d increases calcium absorption in the gastrointestinal tract vitamin d toxicity results in marked hypercalcemia total calcium greater than 11 1 mg dl beyond the normal range of 8 4 to 10 2 mg dl hypercalciuria and high serum 25 oh d levels typically greater than 375 nmol l 150 ng ml.
Based on years of patient testing and data analysis we have updated our laboratory report reference range to reflect that values between 20 80 ng ml. Your body uses vitamin d for maintaining healthy bones and effectively absorbing calcium. Not having enough vitamin d in your system may raise your risk of osteoporosis bone malformations cancer inflammation and suppressed immunity. Intake in the range of 40 000.
Those who are older or at risk for. People aged 1 70 years should aim to get at least 15 mcg or 600 iu of vitamin d per day. A level of 20 nanograms milliliter to 50 ng ml is considered adequate for healthy people. The most accurate way to measure how much vitamin d is in your body is the 25 hydroxy vitamin d blood test.
Normal vitamin d levels in the blood are 20 ng ml or above for adults. This may lead to elevated levels of free vitamin d in the body which may travel inside cells and overwhelm the signalling processes affected by vitamin d. 1 25 dihydroxy vitamin d or 1 25 dihydroxy level or 1 25 oh 2 d has the normal values are usually listed as 20 76 pg ml. The folks at uptodate have done a nice review on the clinical management of vitamin d deficiency and the statement is thus.