What is a concerning vitamin D level?

The most accurate way to measure how much vitamin D is in your body is the 25-hydroxy vitamin D blood test. A level of 20 nanograms/milliliter to 50 ng/mL is considered adequate for healthy people. A level less than 12 ng/mL indicates vitamin D deficiency.

Is a vitamin D level of 27 low?

Although a vitamin D level of 30 ng/ml (75 nmol/l) is typically considered adequate, the Vitamin D Council recommends maintaining levels of 40–80 ng/ml (100–200 nmol/l) and states that anything over 100 ng/ml (250 nmol/l) may be harmful ( 6 , 7).

Is a vitamin D level of 21 low?

Any person having a Vitamin D level of under 30 ng/mL is considered to have an insufficient level of Vitamin D in their body; Anyone having a Vitamin D level of less than 21 ng/mL is considered deficient.

What does it mean when your vitamin D 25 Hydroxy is low?

Low blood levels of 25-hydroxy vitamin D usually mean one (or more) of the following: you aren’t eating a balanced, complete diet. your intestines aren’t absorbing the vitamin properly. you’re not spending enough time outside to absorb adequate vitamin D levels through sun exposure.

Is vitamin D level of 70 too high?

The current daily recommended amount of vitamin D is 600 IU per day for adults under the age of 70, and 800 IU for older adults. Up to 4,000 IU per day is generally considered the safe upper limit, however, doses up to 10,000 IU/day have not been shown to cause toxicity.

What is considered a severe vitamin D deficiency?

Definition of vitamin D deficiency A cutoff of <25 or <30 nmol/L (or 10/12 ng/ml) increases the risk of osteomalacia and nutritional rickets dramatically, and therefore is considered to determine severe vitamin D deficiency [13,14,15,16].

What is the normal range of 25 hydroxyvitamin D?

The major circulating form of vitamin D is 25-hydroxyvitamin D (25(OH)D); thus, the total serum 25(OH)D level is currently considered the best indicator of vitamin D supply to the body from cutaneous synthesis and nutritional intake. The reference range of the total 25(OH)D level is 25-80 ng/mL.

Is 29 low for vitamin D?

That same year, the Endocrine Society guideline on the treatment and prevention of vitamin D deficiency agreed with this 20 ng/ml level. But the guideline classified levels from 21 to 29 ng/ml as “insufficient” and recommended that people aim for a level of 30 ng/mL or higher.

What does a high vitamin D 25 Hydroxy level mean?

A higher-than-normal level may be due to excess vitamin D, a condition called hypervitaminosis D. This is most commonly caused by taking too much vitamin D. It can result in too much calcium in the body (hypercalcemia). This leads to many symptoms and kidney damage.