25-hydroxyvitamin D (25(OH)D)
| 25(OH)D Levels and Health 1, 4–6 | |
|---|---|
| <30 nmol/L | Risk of vitamin D deficiency (rickets or osteomalacia) |
| 30-50 nmol/L | Clinical features of inadequacy in some individuals |
| ≥50 nmol/L | Adequate for bone health in practically all individuals |
| > 125 nmol/L | Concern for vitamin D toxicity |
What is a low vitamin D level in Canada?
Deficiency: refers to those with vitamin D blood levels below 30 nmol/L. Canadians may be at risk of deficiency relative to bone health below this level.
What is the ideal vitamin D blood level?
between 20 and 40 ng/mL
The normal range of 25-hydroxy 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.
What is considered too low for vitamin D?
Tests for Vitamin D Deficiency
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.
What is considered borderline vitamin D?
Although standards vary, most experts agree that levels of 25(OH)D below 20 ng/ml (nanograms per milliliter) reflect clear-cut vitamin D inadequacy, while levels between 20 and 30 ng/ml are borderline.
Is 7 a low vitamin D level?
Today 25(OH)D level below 30 ng/ml are considered as insufficiency, values lower than 20 ng/ml as deficiency and values below 7 ng/ml as severe deficiency.
What causes vitamin D to drop?
In general, the two main causes of vitamin D deficiency are: Not getting enough vitamin D in your diet and/or through sunlight. Your body isn’t properly absorbing or using vitamin D.
Does low vitamin D make you tired?
Feeling tired can stem from a number of causes, one of which may be vitamin D deficiency. Unlike more visible causes like stress, depression, and insomnia, vitamin D deficiency is often overlooked as a potential cause of fatigue. One study in 480 older adults linked vitamin D deficiency with fatigue symptoms ( 12 ).
What are the five signs you may have vitamin D deficiency?
Here are five signs to watch out for:
- Fatigue. Feeling fatigued and sluggish is probably the most common sign of vitamin D deficiency, Dr.
- Broken Bones and Stress Fractures. “Bone fractures that don’t heal quickly are another sign [of vitamin D deficiency],” Gittleman says.
- Low Immunity.
- Muscle Pain and Achiness.
- Hair Loss.
What if your vitamin D level is 8?
A vitamin D level of 8 ng/mL is considered severely deficient. Severe deficiency can occur from prolonged, inadequate intake of vitamin D, limited exposure to sunlight, poor kidney function, or inadequate vitamin D absorption.
Can low vitamin D make you feel weird?
Vitamin D deficiencies can also result in bone diseases such as rickets in children and osteomalacia and osteoporosis in adults. But you may not be aware that if you’re not getting enough vitamin D, you may also suffer from dizziness, headaches, and yes, low energy and fatigue.
What blocks vitamin D absorption?
Some factors that may reduce or block its absorption include:
- Conditions such as celiac disease, chronic pancreatitis, Crohn’s disease, and cystic fibrosis.
- BMI (body mass index) higher than 30.
- Liver or kidney disease.
- Radiation treatment.
- Weight loss surgery.
What are the signs you need vitamin D?
Symptoms when vitamin D is low
- Fatigue.
- Not sleeping well.
- Bone pain or achiness.
- Depression or feelings of sadness.
- Hair loss.
- Muscle weakness.
- Loss of appetite.
- Getting sick more easily.
Which fruit is rich in vitamin D?
Oranges
Oranges are one of the fruits rich in Vitamin D as its juice is fortified with calcium & vitamin D. This is one of the best sources of vitamin D for people who are lactose intolerant and cannot include milk & dairy products in their diet.
When should I take vitamin D morning or night?
While the best timing has not been established, scientific data to confirm anecdotal reports that supplementing at night may interfere with sleep is unavailable. Current research suggests you can fit vitamin D into your routine whenever you prefer.
What is the difference between vitamin D and vitamin D3?
There are quite a few differences between vitamin D and vitamin D3, but the main difference between them is that vitamin D is a fat-soluble vitamin that regulates calcium and phosphorous levels in the body, whereas the vitamin D3 is the natural form of vitamin D produced by the body from sunlight.
How long does it take to raise vitamin D levels?
Vitamin D3 supplements are thought to raise vitamin D levels in the bloodstream in around 24 hours. However, it takes up to 7 days for this to be converted into the active form of vitamin D – which is what a blood test will pick up.
Does vitamin D affect sleep?
Growing evidence has demonstrated that vitamin D has a role in sleep regulation [12]. Specifically, vitamin D deficiency (VDD) can increase risk of sleep disorders and is associated with sleep difficulties, shorter sleep duration, and nocturnal awakenings in children and adults [13,14,15].
What is the most likely vitamin D deficiency symptom in adults?
In adults, severe vitamin D deficiency leads to osteomalacia. Osteomalacia causes weak bones, bone pain, and muscle weakness.
Can low vitamin D cause back pain?
Vitamin D deficiency and insufficiency can cause or worsen neck and back pain and muscle spasm.
What organs does low vitamin D affect?
Low vitamin D levels can also cause a poorly functioning immune system, cardiovascular disease, depression, development of diabetes, and multiple sclerosis. It has also been linked to certain types of cancer.