Vitamin D Deficiency: From lethargy to muscle weakness, learn about the early signs of vitamin D deficiency.
- bySherya
- 15 Jun, 2026
Vitamin D and Immunity: Feeling weak or lethargic is common. Most people dismiss it as a result of stress, lack of sleep, or overwork.

Early signs of vitamin D deficiency
Early Signs of Vitamin D Deficiency You Should Not Ignore: In today's fast-paced life, feeling tired, weak, or lethargic is common. Most people ignore it, thinking it's the result of stress, lack of sleep, or overwork. But sometimes, these seemingly simple symptoms can be a sign of a lack of an essential nutrient. One such problem is vitamin D deficiency, which often appears in the early stages without obvious symptoms.
According to Dr. Ashish Chaudhary, the early signs of vitamin D deficiency are so common that people often ignore them, mistaking them for everyday fatigue or stress. However, recognizing these signs early is crucial for bone health and overall health. Let us explain some of its symptoms, which will help you identify them.
Constant feeling of fatigue
If you feel a lack of energy throughout the day despite getting enough sleep and constantly feel tired, this could be a sign of vitamin D deficiency. Dr. Ashish Chaudhary explains that many people attribute this to work pressure or a busy lifestyle, but long-term fatigue should be taken seriously.
muscle weakness
Another common sign of vitamin D deficiency is decreased muscle strength. Heaviness may be felt, especially in the thighs, waist, or legs. Many people associate this with aging or lack of exercise, but vitamin D is actually crucial for proper muscle function.
Body and bone pain
If you experience body aches, stiffness, or mild bone pain without any apparent reason, this could also be a sign of a deficiency. According to Dr. Ashish Chaudhary, vitamin D helps the body absorb calcium. A deficiency can weaken bones and increase muscle and joint pain.
Hair loss and mood swings
Vitamin D deficiency can also affect mental health in some people. Irritability, lack of enthusiasm, depression, or excessive hair loss are symptoms often attributed to stress. However, nutritional deficiencies can also be the culprit.
This is also a symptom.
If you frequently get colds or other infections and they take longer to recover than usual, it could be a sign of a weakened immune system. According to experts, vitamin D plays an important role in strengthening the body's immune system.
Which people are more at risk?
Dr. Ashish Chaudhary explains that people who spend most of their time indoors or at the office and have limited exposure to sunlight are at higher risk of vitamin D deficiency. Furthermore, the elderly, pregnant women, postmenopausal women, and people living in polluted areas are also considered more vulnerable. If these symptoms persist for several weeks, a vitamin D test should be conducted after consulting a doctor.





