15 Symptoms Of Vitamin D Deficiency That Most People Ignore

The symptoms of a vitamin D deficiency are easy to ignore, but they're also important to recognize.

1. Muscle WeaknessAntoine K/Flickr

1. Muscle Weakness

Muscle weakness is often caused by a vitamin D deficiency. Muscles have vitamin D receptors, and they must have a constant supply of vitamin D to function. So if your body has a deficiency of vitamin D, your muscles will have trouble functioning.

2. Bone PainMake Your Life Healthier

2. Bone Pain

Shunning the sun and avoiding dairy can leave you with a deficiency of vitamin D, which can lead to bone pain. This can be difficult to distinguish from muscle or joint pain, but it generally manifests itself as a deep, full pain that can't be isolated to an exact area.

3. Constant Respiratory ProblemsGetty Images

3. Constant Respiratory Problems

Studies show that vitamin D may help defend against respiratory illness, and this is especially true in children. If your child has severe asthma, you may want to increase their vitamin D intake.

4. Sweaty HeadwiseGEEK

4. Sweaty Head

Years ago, doctors used to ask new mothers if their newborns' heads were sweating more than normal. This can be a very early sign that a baby is vitamin D deficient. If you're breastfeeding, it may be helpful to consume more foods rich in vitamin D.

5. DepressionGetty Images

5. Depression

According to the Vitamin D Council, this essential nutrient helps your brain's neurotransmitters produce serotonin, which affects our feelings of happiness. Studies have linked low levels of vitamin D with episodes of depression. This happens especially during the winter months because of the lack of sun during that time of year.

6. Chronic InfectionsGetty Images

6. Chronic Infections

The Mayo Clinic has advised that vitamin D is crucial to our body's health, and it is a necessary vitamin in helping our body fight infections. If you notice you or your child is prone to getting infections, you might want to ask your doctor to give you a vitamin D blood test.

7. Cardiovascular DiseaseGetty Images

7. Cardiovascular Disease

Articles published by the National Institutes of Health have shown that deficiencies in vitamin D can lead to congestive heart failure. Make sure your body maintains the proper amounts to guard against the risk. If you're unsure, home tests are available to check if you have a lack of vitamin D.

8. PsoriasisGetty Images

8. Psoriasis

Although psoriasis is not always caused by a lack of vitamin D, the vitamin is sometimes used during treatment. The Mayo Clinic claims that if you have a lack of vitamin D, it will be harder for your body to defend itself against psoriasis.

9. Chronic PainNano Anderson/Flickr

9. Chronic Pain

If you experience chronic, widespread pain throughout your body, it could be due in part to a lack of vitamin D. Studies have shown that low vitamin D levels affect a person's chances of having chronic pain; supplements can sometimes help relieve it.

10. TirednessGetty Images

10. Tiredness

Vitamin D is one of the necessary vitamins for your body to create energy, and without it you can end up feeling tired most of the day. This will make it hard for you to get around or even get to work. You should consult your doctor if you have constant feelings of tiredness.

11. HypertensionGetty Images

11. Hypertension

Harvard University conducted a study that showed that women with low levels of vitamin D have a 67 percent increased risk of hypertension. If you suffer from anxiety, you may want to consider purchasing vitamin D supplements and adding them to your daily routine.

12. CrankinessNew Kids Center

12. Crankiness

Vitamin D also affects the levels of serotonin in your brain, which is what affects your mood. If you're feeling cranky, it might be because you're not producing enough serotonin!

13. Chronic Kidney DiseaseNational Kidney Foundation

13. Chronic Kidney Disease

Kidneys are necessary for making the active form of vitamin D for our bodies. Plus, as you get older your kidneys are not as efficient at processing vitamin D. Be sure to eat some vitamin D–rich foods or take a supplement—and if you take a supplement, also take vitamin K2 to activate the right proteins.

14. Reduced Endurancebrett lohmeyer/Flickr

14. Reduced Endurance

If you're an athlete and you're seeing your endurance decrease for no apparent reason, it might be because you have low vitamin D levels. A boost in vitamin D can improve your performance, and you can get it in powder form to mix with your smoothies or protein shakes.

15. People Over 50Ben Smith/Flickr

15. People Over 50

If you're age 50 or older, chances are you have a vitamin D deficiency. The body simply doesn't produce as much vitamin D as you age, so you should always make sure you're getting enough vitamin D through other sources.

As with all health-related issues, talk with your doctor or another medical professional if you are seeing signs and symptoms that concern you. Vitamin D might be the key, but it's important to consult with a professional to be sure you get the proper treatment to address the issues.

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