Alert: 70% of the country's population is deficient in this essential vitamin. Are you also affected? Learn how to protect yourself..
- byShikha Srivastava
- 02 Feb, 2026
The most important thing for good health is the regular consumption of a nutrient-rich diet. This provides the body with the necessary vitamins and essential nutrients to function properly. However, due to poor lifestyle and unhealthy eating habits, the Indian population is suffering from deficiencies in various vitamins and minerals.

Statistics show that more than 57% of women in the country suffer from anemia caused by iron deficiency. Similarly, the increasing vitamin D deficiency among people is also a cause for serious concern.
In a country like India, where there is sunshine almost every month of the year, 70-80% of the population is still found to be deficient in vitamin D. Sunlight is considered the best source of this vitamin. Health experts say that people with vitamin D deficiency are at increased risk of various diseases and health problems.
Are you also a victim of this deficiency? Let's learn more about this problem in detail.
4 out of 5 Indians are deficient in Vitamin D
Vitamin D is one of the most essential nutrients for the body. Its deficiency not only weakens the bones but also negatively impacts the immune system, muscles, and mental health. Due to poor lifestyle, lack of sun exposure, and unhealthy eating habits, the Indian population is becoming increasingly deficient in this essential nutrient.
Dr. Shubham Vatsya, a Gastroenterologist and Hepatologist at Fortis Hospital Delhi, says that 4 out of 5 Indians are suffering from vitamin D deficiency. Vitamin D is a hormone-like nutrient that helps several systems in the body work together. When there is a deficiency, the entire body system can be affected. The increasing vitamin D deficiency in the country, from children to the elderly, is becoming a serious cause for concern.
What is the effect of vitamin D deficiency on the body?
Vitamin D is a very important nutrient for the body; it is also called the sunshine vitamin. This vitamin helps in the absorption of calcium and phosphorus in the body, which are essential for keeping bones and muscles strong. Vitamin D is also necessary for maintaining a healthy immune system and balancing many hormonal processes. When there is a deficiency of vitamin D in the body, its effects are not limited to the bones but are seen throughout the entire body.
Bones become weak
When there is a vitamin D deficiency, the body cannot utilize calcium properly, causing the bones to gradually weaken. Prolonged deficiency can lead to problems like osteoporosis. This increases the risk of fractures even from minor falls or injuries. This problem is more common in the elderly and women.
In children, vitamin D deficiency can cause a disease called rickets, in which the bones do not develop properly.
Immunity is also affected.
Vitamin D plays a crucial role in strengthening the body's immune system, thereby increasing the ability to fight infections. A deficiency can make a person susceptible to frequent colds, coughs, flu, and other infections.
People with low vitamin D levels are at a higher risk of viral and bacterial infections.
Due to weakened immunity, recovery from illnesses may also take longer.
Frequent illness during changing seasons can be a sign of vitamin D deficiency.
Heart health is also affected.
Vitamin D deficiency can also contribute to chronic diseases such as heart disease, high blood pressure, and type 2 diabetes.
Vitamin D helps control inflammation in the body and keeps blood vessels healthy.
Its deficiency can increase inflammation in the body, which is considered a major cause of heart disease.
People with low vitamin D levels may also have a higher risk of heart attack and stroke due to high blood pressure.
What to do if you have a vitamin D deficiency? To address a vitamin D deficiency, it's essential to maintain a healthy routine, eat a balanced diet, and spend some time in the sun every day.

The best and most natural source of vitamin D is sunlight. When the skin is exposed to the sun's UV-B rays, the body produces vitamin D on its own. Spending 20 minutes in the sun each morning is beneficial. Additionally, this vitamin can be easily obtained from fatty fish, mushrooms, milk, yogurt, and soy milk. For individuals with persistent vitamin D deficiency, doctors may recommend taking vitamin D supplements.
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