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Why are Vitamin D and Calcium important for bone health? Doctor told the reason
Samira Vishwas | October 12, 2025 1:24 PM CST

Bones are the foundation stone of our body. Without healthy and strong bones many activities of daily living become difficult. In this context, Vitamin D and Calcium are very important. In recent times, this topic has again come into discussion due to the increasing number of bone problems, such as osteoporosis (weakening of bones) and fractures. Today we will know with expert advice on this issue why Vitamin D and Calcium are essential for bones.

Calcium: Main component of bones

Calcium is the most abundant mineral in our body, and about 99% of calcium is found in our bones and teeth. It gives strength to bones and maintains their density. Calcium deficiency can weaken bones, increasing the risk of fractures.

Vitamin D: partner of calcium absorption

The function of Vitamin D is to help in the absorption of calcium. Without enough vitamin D, the body cannot use calcium properly, even if the calcium intake is adequate. Vitamin D deficiency not only weakens bones but can also cause bone pain and muscle weakness.

Expert opinion

Doctors and nutritionists say that balanced intake of both the nutrients is necessary for bone health. To prevent calcium and vitamin D deficiency, especially in children, elderly and women, regular checkups and proper diet plan should be adopted.

Sunlight is the main source of Vitamin D, along with foods like milk, fish, eggs and black fish also provide Vitamin D. At the same time, milk, curd, cheese, green leafy vegetables and nuts are beneficial for calcium.

Dangers of Calcium and Vitamin D Deficiency

weakening of bones and osteoporosis

frequent fractures

muscle weakness and pain

Difficulty in walking with increasing age

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