What is an ideal vitamin D level?

Vitamin D levels are generally considered sufficient when above 20 ng/ml (50 nmol/l). However, some experts claim that blood levels above 30 ng/ml (75 nmol/l) are optimal.

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 a good vitamin D level for a woman?

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 40 good?

Holick believes that maintaining a level of 40 to 60 ng/ml is desirable in the general population and a level up to 100 ng/ml is “perfectly safe.” Others urge caution about going above 50 ng/ ml.

Is 65 a good vitamin D level?

The normal range of vitamin D is measured as nanograms per milliliter (ng/mL). Many experts recommend a level between 20 and 40 ng/mL. Others recommend a level between 30 and 50 ng/mL.

How much vitamin D should a 65 year old take?

Taking a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.

Is 45 a good vitamin D level?

The Vitamin D Council places the ideal level between 40 and 80 ng/mL with levels below 20 ng/mL as deficient. … This guideline recommends a minimum vitamin D level of 20 ng/mL, but to guarantee sufficiency they recommend between 30 and 50 ng/mL for both children and adults.

What does it mean if my 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.

What does a high vitamin D 25-Hydroxy level mean?

hypervitaminosis D
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.

Is 29 low for vitamin D?

People who have levels that fall between 21–29 ng/mL are considered to have insufficient vitamin D levels ( 1 ).

What is the normal range of 25-hydroxy vitamin D?

25-80 ng/mL
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 50000 IU vitamin D too much?

In summary, long-term supplementation with vitamin D3 in doses ranging from 5000 to 50,000 IUs/day appears to be safe.

Is 2000 IU of vitamin D enough?

The Vitamin D Council recommends that healthy adults take 2,000 IU of vitamin D daily — more if they get little or no sun exposure. There’s evidence that people with a lot of body fat need more vitamin D than lean people.

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 a normal vitamin D level for a 60 year old woman?

Children 1–18 years: 600 IU (15 mcg). Adults up to 70 years: 600 IU (15 mcg). Adults over 70 years: 800 IU (20 mcg).

What is the difference between vitamin D and vitamin D3?

There are two possible forms of vitamin D in the human body: vitamin D2 and vitamin D3. Both D2 and D3 are simply called “vitamin D,” so there’s no meaningful difference between vitamin D3 and just vitamin D. … Vitamin D3 is the form of vitamin D the human body makes when sunlight strikes the skin.

Is it safe to take vitamin D3 2000 IU daily?

The Institute of Medicine’s Food and Nutrition Board’s old 1997 recommendations suggested that 2,000 IU per day of vitamin D is safe for adults and that 1,000 IU per day is safe for infants up to 12 months of age. … He suggests that 10,000 IU of vitamin D is not toxic.

How much vitamin D should an 80 year old take?

The Institute of Medicine has placed the recommended dietary allowance, or RDA, for vitamin D at 600 international units (IU) per day for young adults and 800 IU per day for adults older than 70.

Can Vit D3 cause hair loss?

Vitamin D is metabolized in the skin by keratinocytes. These are skin cells that process keratin, a protein in hair, nails, and skin. … A 2017 review in the International Journal of Molecular Sciences found that low vitamin D levels have been linked to: Telogen effluvium, or excess hair shedding.

Is it OK to take vitamin D3 everyday?

Some people may need a higher dose, however, including those with a bone health disorder and those with a condition that interferes with the absorption of vitamin D or calcium, says Dr. Manson. Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.

Is it better to take vitamin D2 or D3?

Vitamin D supplements are available as vitamin D2 (D2) and vitamin D3 (D3). Both versions can be used to treat vitamin D deficiency, but D3 seems to be more effective than D2. Vitamin D2 is still prescribed to people with low vitamin D levels, because it’s more readily available in higher doses.