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.
Vitamin d levels range in blood.
Vitamin d deficiency when the level of vitamin d in your body is too low can cause your bones to become thin brittle or misshapen.
That is 86 of patients tested fall within this range.
People aged 1 70 years should aim to get at least 15 mcg or 600 iu of vitamin d per day.
Those who are older or at risk for.
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 40 000 100 000 iu day 10 25 times the recommended upper limit has been.
Hypercalcemia in turn can lead.
Avoid taking high doses of vitamin d with this blood pressure drug.
Normal vitamin d levels in the blood are 20 ng ml or above for adults.
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.
A level of 20 nanograms milliliter to 50 ng ml is considered adequate for healthy people.
Regardless of these findings adequate vitamin d intake and maintaining blood levels within the optimal range may be a good strategy for protecting bone mass and reducing fracture risk.
Vitamin d also appears to play a role in insulin production and immune function and how this relates to chronic disease prevention and cancer but this is still being investigated.
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.
High doses of vitamin d can cause hypercalcemia which increases the risk of fatal heart problems with digoxin.
The folks at uptodate have done a nice review on the clinical management of vitamin d deficiency and the statement is thus.
The most accurate way to measure how much vitamin d is in your body is the 25 hydroxy vitamin d blood test.