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Vitamin D Deficiency: Symptoms, Causes, Risk & Remedies

Vitamin D deficiency: Symptoms, causes & risk

Vitamin D deficiency is one of the common nutritional deficiencies found among adults and children, as well as it is the common undiagnosed medical condition across the globe.

According to a study, Vitamin D deficiency is prevalent in nearly 76% of Indians.

Vitamin D is also known as the sunshine vitamin that helps in keeping your bones strong. Recent research suggests that Vitamin D protects you from a lot of health problems. As the name depicts, the sunshine vitamin is produced by the body in response to skin exposure to sunlight.

There are a few foods that have vitamin D, like fish, fish liver oils, egg yolks- which fortifies dairy, and grain products. When Vitamin D enters our body, it regulates bone metabolism, calcium, and reduces the risk of chronic diseases such as cardiovascular, malignancies, autoimmune diseases, and infectious diseases.

Vitamin D deficiency is prevalent in everyone in our country and especially in the Northern parts of India. The very first reason is the limited or no sun exposure, generally, in urban areas- people do not prefer going outside, or if they go, they prefer minimum sun exposure. 

In this article, Dr. Harshavardhan Hegde, one of the best orthopaedic experts in Gurgaon, will discuss the importance of Vitamin D for children and adults, and everything about Vitamin D deficiency. 

What Is Vitamin D Deficiency?

Vitamin D deficiency indicates that there is not enough vitamin D in your body. People with fair-skinned and young individuals are more capable of converting sunshine into vitamin D more efficiently than darker-skinned and aged people.

What Are the Symptoms of Vitamin D Deficiency?

1. Bone and joint pain
2. Fatigue and tiredness
3. Headaches
4. Weight gain
5. High blood pressure
6. Insomnia
7. Cramps in muscles
8. Osteoporosis
9. Rickets in children
10. Depression
11. Becoming More Prone to Infections
12. Impaired Wound Healing

Listed below are a few symptoms that can help you understand that you might have Vitamin D deficiency in your body

 Symptoms of Vitamin D Deficiency

1. Bone and joint pain 

There is an established relation between Vitamin D and calcium. Vitamin D is an essential hormone as it helps your body effectively absorb calcium by mediating the transportation of this mineral and supporting bone growth.

Vitamin D deficiency can hence affect your bone and joint health causing a variety of symptoms including pain. Inadequate levels of vitamin D can lead to the development of bone and joint disorders such as arthritis and osteoporosis. 

2. Fatigue and tiredness

Several studies show that a deficiency of Vitamin D in your blood can impact your energy levels and sleep quality. Individuals living with Vitamin D deficiency often complain of fatigue and tiredness.

Low levels of Vitamin D can cause delayed sleep and even shorter sleep duration. Poor quality of sleep can hence cause daytime sleepiness and tiredness. 

3. Headaches

Vitamin D can cause different types of headaches including migraine. It is because decreased levels of vitamin D may be responsible for bone pain and swelling which can further aggravate and sensitise your nervous system causing headaches. 

4. Weight gain

A comparatively recent study has shown people with a higher BMI and excess fat especially around the waistline are more likely to have low levels of Vitamin D. 

5. High blood pressure

Vitamin D deficiency is related to heart health. Individuals with low levels of vitamin D are more likely to experience high blood pressure (hypertension). 

6. Insomnia

As discussed above, vitamin D deficiency can impact your sleep. Besides hindering the quality of your life, it can also trigger insomnia by affecting your sleep schedule. People living with low levels of vitamin D are seen to have daytime sleepiness and drowsiness. 

7. Cramps in muscles

Vitamin D is responsible for maintaining the strength and functioning of your musculoskeletal system. A significant decrease in these vitamin levels can cause pain, discomfort, spasms and cramping in your muscles. 

8. Osteoporosis

Osteoporosis is a condition in which your bones become weak and brittle. It is because in this condition, your body is unable to produce new bone tissues to replace the new ones.

Vitamin D helps your body absorb calcium and phosphorus, rightly. If there is a lack of these nutrients, you are likely to develop osteoporosis

9. Rickets in children

Rickets is a condition that hinders bone development in children. It primarily occurs as a result of inadequate vitamin D levels causing the softening and weakening of bones. 

10. Depression

Several types of research have shown that vitamin D deficiency can lead to mood disorders and mental health issues including depression and anxiety. It has been seen that increasing the consumption of vitamin D can help improve the symptoms of depression. 

11. Becoming More Prone to Infections 

Your immune system determines how well you are able to fight off bacteria and viruses. Vitamin D is an anti-inflammatory hormone that has diverse effects on your immune system.

It directly interacts with your immune system cells that fight the above-mentioned infections. A vitamin D deficiency can affect this ability and make you more prone to contracting infections. 

12. Impaired Wound Healing 

Vitamin D is a contributing factor in the development of new skin on wounds as it increases the production of components leading to the skin layer growth. It is, thus, an important aspect in a person’s healing journey after a surgery, injury or infection. 

What Are the Causes of Vitamin D Deficiency?

Vitamin D deficiency can occur in your body due to various reasons, listed below are a few of them.

1. Inadequate consumption of Vitamin D 

Vitamin D deficiency can be caused as a result of insufficient intake of vitamin D. You may have the above-given symptoms if you are not able to consume the recommended levels of the vitamin over a while, especially if you follow a strict vegan diet. If your diet excludes most of the natural sources for Vitamin D like fish, beef, egg yolks, you may behave vitamin D deficiency. 

2. Limited exposure to sunlight 

Sunlight is a natural source of vitamin D. A restricted or low exposure to sunlight can cause a deficiency of vitamin D. 

3. Skin pigmentation 

Melanin is a pigment in your skin that provides its colour. Dark-skinned people have more melanin than light-skinned people. Melanin also protects your skin from UV rays. An increased amount of melanin reduces your ability to synthesise Vitamin D from the sun, thus, impacting its effectiveness and causing an insufficiency. 

4. Obesity 

Obesity and vitamin D deficiency are highly correlated. People with a BMI of 30 or more than 30 often have low Vitamin D levels.

5. Underlying medical conditions

Medical problems like Crohn’s disease, cystic fibrosis and celiac disease can affect your intestine’s ability to absorb Vitamin D  through food that you eat.

6. Renal health 

With ageing, kidneys are unable to convert Vitamin D into an active form which increases the risk of being Vitamin D deficient.

Who all are at risk of Vitamin D deficiency?

The following are at risk for Vitamin D deficiency

  • All expecting mothers
  • Breastfeeding women
  • Infants and young kids below the age group of 5 years
  • Old aged people 65 years and above
  • One’s who have low or no exposure to the sun.
  • People with dark skin.

Why is Vitamin D so important? 

There are several reasons to consider Vitamin D as an essential vitamin for the human body, including;

  • To keep bones stronger: Healthy bones will defend you from several conditions like rickets. Rickets is a condition that causes weaker and soft bones in children. This condition is due to a lack of vitamin D in the body. Vitamin D is required in the body so that phosphorus and calcium can build bones. If an adult has soft bones, then the condition is called osteomalacia.
  • To absorb calcium: Vitamin D, along with calcium, helps strengthen bones and keep them strong and healthy. Weak bones can lead to osteoporosis and loss of bone density, which can lead to fractures. Vitamin D becomes an active form of the vitamin when taken orally or through exposure to the sun, and it promotes optimal absorption of calcium from your diet.
  • To keep mental health fit: People with low Vitamin D levels often face depression and fatigue. Having proper Vitamin D levels in the body keeps you away from such risks. Vitamin D contributes to making strong muscles and general health.

What are the health effects of vitamin D deficiency?

Getting enough vitamin D plays an important role in keeping you healthy by protecting against diseases or conditions, these conditions can include:

  • Heart disease  
  • Diabetes
  • Infections 
  • Immune system disorders
  • High blood pressure
  • Types of cancer, like colon, breast, and prostate cancers
  • Multiple sclerosis

How can Vitamin D be diagnosed?

If you see any symptoms which are mentioned above or fall in the category of high risks, you should get your Vitamin D levels checked. Vitamin D levels can be measured with a Vitamin D blood test.

Remedies to Treat Vitamin D Deficiency:

Vitamin D is a significant element that helps maintain your overall health. The article above discusses how a vitamin D deficiency can cause varying health problems and negatively impact your quality of life. However, you can easily and effectively boost your vitamin D levels by the following natural measures.

1. Spend more time in the sun 

The best way to get the sunshine vitamin is through sunlight. Increasing your exposure to sunlight is one of the best ways to increase your vitamin D consumption. You should consider the duration, time, skin tone and sensitivity to decide how much sunlight exposure is adequate. 

2. Eat more seafood 

Seafood such as fatty fish, tuna and shrimpes are excellent sources of Vitamin D. You should consider eating an animal-meat based diet to increase and maintain Vitamin D levels in your blood. Besides seafood, you should also consider adding egg yolks to your diet. 

3. Gorge on Mushrooms 

If you are vegetarian and want a healthy substitute for vitamin D sources, mushrooms is your go-to food. Infact, mushrooms are the only vegetarian source of Vitamin D. 

4. Nutritional Supplements 

Another way to up your vitamin D intake is through nutritional supplements. You cn consult your healthcare provider about the type of supplement ideal for you. 

5. Maintain a Healthy body weight 

Obesity can make you more prone to developing vitamin D deficiency. You should aim to achieve and attain your ideal body weight by proper diet and physical activity. 


If you have any queries related to Vitamin D or how to boost the level of Vitamin D in the body, get in touch with our team of experts to get your Vitamin D levels checked.


Q. How long does it take to recover from vitamin D deficiency?

Based on your treatment and proactive measures, you may take nearly 3-6 months to recover. 

Q. Can low vitamin D cause neurological symptoms?

Yes, low levels of vitamin D can cause certain neurological symptoms such as tremors and depression.  

Q. Can low vitamin D cause dizziness and headaches?

Yes, vitamin D can sensitise your nervous system leading to dizziness and headaches.

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