Vitamin D Deficiency Signs and Symptoms – Supplement Dosage

Vitamin D is very important for our bodies since it effects a number of body functions. We often get this vitamin from exposure to sunlight, but it is also obtained by eating certain foods such as fish and dairy products.Vitamin D Deficiency Signs and Symptoms - Supplement Dosage Vitamin D supplementation is also popular, since getting enough of this vitamin is difficult from diet alone. Unfortunately, there are quite a few individuals who are deficient in this vitamin without even knowing it as the signs and symptoms are either subtle or not well known. Over time this could have a negative effect on an individuals quality of life.

Vitamin D Deficiency Signs and Symptoms

Let’s discuss some signs and symptoms:

More Fatigue

Those who are vitamin D deficient may feel more fatigued and tired. Since there are so many reasons why we can feel tired and fatigued during the day, such as lack of sleep or obesity, vitamin D deficiency is often overlooked. It’s deficiency can cause daytime fatigue or even make it harder to get out of bed in the mornings, even with quality sleep.

Hair Loss

Another sign and symptom of vitamin D deficiency may be hair loss. When hair loss is severe, this can be the result of nutrient deficiency. Hair loss may be a sign of deficiency in female-pattern hair loss. As well, there have been links found between low levels of vitamin D and alopecia areata, and low levels of this vitamin may be a risk factor for developing this autoimmune disease which can effect hair loss.


Vitamin D plays an important role in keeping our immune system strong and free from different bacteria and illness. This is because it directly affects the cells that are responsible for fighting infection. Therefore, another sign and symptom of deficiency are getting sick more often.

Low levels of vitamin D can be a contributing factor to becoming infected with cold and flu’s more often. As well, it has been found that taking supplements may reduce the risk of certain respiratory tract infections.

Bone Health

Another possible symptom of deficiency is bone and lower back pain. Vitamin D is an important vitamin for maintaining overall bone health. It supports bone health and helps with the body’s absorption of calcium. It has been found that those individuals with a deficiency were more like to have back pain which often limited their daily activities. As well, they were also more likely to have bone pain throughout their bodies, such as in their legs and joints.

A deficiency in this vitamin will not only cause bone pain, but it can also cause bone loss since it not only helps with calcium absorption but also bone metabolism. This can lead to lower bone mineral density.

Swing in the Mood

Its deficiency may also negatively effect our mood. Feelings of depression may be a sign of vitamin D deficiency. This has often been linked to older adults. By being deficient in this vitamin, it may also cause seasonal depression during the colder months, when exposure to sunlight is limited. Depression and all mental health symptoms are complex and should be discussed with your medical practitioner to determine its exact cause and remedy.

Be sure to discuss any of the above signs and symptoms with your medical practitioner to determine their exact cause and also to discuss the correct amount you should be taking daily to support your health.

If you are experiencing any ailments, serious or otherwise, always seek professional medical treatment and advice.

Daily Vitamin D Intake

According to dr.Molina John a medical doctor specializes in nutrition stated that many of her patients often ask me how much do I need?

A typical dose is 1,000 to 2,000  IU’s a day. But many people may require 5 to 10,000 IU’s a day if they’re found to be deficient. Your healthcare practitioner determines the right supplement dose for you.

Vitamin D Supplement Dosage

The current upper recommended intake level is now 4,000 international units or IU/day. Now, It depends on what age group you’re in, you are not going to give 4,000 IUs to your children.

  • Infants will only get a 1,000 as a maximum.
  • 6 months – 12 months you can give as much as 1,500 IU/day.
  • Young children below the age of could get 2,500 IU/day.
  • And then children 4 -8 years could get 3,000 IU/day.
  • All other groups, as I said before, could take as much as 4,000 IU/day.

Based on our current evidence, these would be safe for you to take. Now the question is what happens to you if you take the excess supplement.

A lot of the symptoms:

  • You would lose weight, you’d lose appetite, you’d feel some muscle weakness. It is because your serum calcium levels are becoming too high. The only way you can learn whether that’s happening is to go to your doctor.
  • If you’re going to use a liquid supplement you should be a little bit more careful.  You should just be careful about taking these, especially taking multiple ones. Be careful to read what’s on the label.
As with any other supplement if you’re going to start taking a Vitamin D supplement make sure you talk to your doctor. Especially if you’re taking medications. While we don’t know of a lot of interactions between Vitamin D and drugs yet, there might be some and it’s best if your doctor knows what you’re doing.
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