ISSA Nutritionist Practice Exam 2025 – Comprehensive All-In-One Guide to Exam Mastery!

Question: 1 / 400

Vitamin D is essential for which aspect of health?

Improving vision

Bone health

Vitamin D plays a crucial role in maintaining bone health. It is essential for the absorption of calcium and phosphorus from the diet, which are vital minerals for bone formation and maintenance. Without adequate levels of vitamin D, the body cannot properly absorb calcium, leading to conditions such as rickets in children and osteomalacia or osteoporosis in adults. By facilitating the mineralization process in bones, vitamin D helps to ensure that bones remain strong and healthy throughout life.

While vitamin D does have some influence on other aspects of health, such as contributing to the immune system and potentially impacting metabolism, its primary and most well-documented role is in supporting bone integrity and preventing bone-related diseases. Hence, focusing on the critical importance of vitamin D is best understood in the context of its direct relationship with bone health.

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Enhancing metabolism

Boosting immunity

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