You can have Vitamin D deficiency if your diet does not include enough nutrient rich in fat-soluble vitamins or if you have impaired intestinal absorption. Persons who get inadequate sun exposure are also susceptible to Vitamin D deficiency.

Vitamin D deficiency can lead to certain symptoms including a loss of bone density, muscle weakness, high or rising blood pressure, exhaustion, anxiety, depression, decreased endurance, chronic pain, and unexplained infertility.

As per the Centers for Disease Control and Protection (CDC), a quarter of the Indian population is at risk for “inadequacy” of Vitamin D.

To measure the levels of Vitamin D in the body, a person can take a 25-hydroxy Vitamin D blood test. A level of 20 nanograms/ milliliter (ng/mL) to 50 nanograms/ millilitre (ng/mL) is considered adequate for healthy adult people. People having less than 20 nanograms/ milliliter (ng/mL) levels of serum Vitamin D are considered having Vitamin D deficiency.

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