NFPT Nutrition Specialist Practice Exam 2025 - Free Nutrition Specialist Practice Questions and Study Guide

Question: 1 / 400

Which vitamin is primarily responsible for calcium absorption in the body?

Vitamin C

Vitamin D

Vitamin D plays a crucial role in calcium absorption in the body. It enhances the intestinal absorption of calcium, which is essential for maintaining adequate blood calcium levels and supporting bone health. This vitamin facilitates the process by which calcium is taken up by the gut and utilized by the bones and other tissues. Without sufficient vitamin D, the body may struggle to absorb enough calcium from dietary sources, which can lead to weakened bones and an increased risk of fractures.

In addition, vitamin D helps regulate calcium levels in conjunction with parathyroid hormone and promotes the reabsorption of calcium in the kidneys. The relationship between vitamin D and calcium is vital for overall skeletal health, making vitamin D indispensable when it comes to ensuring that the body efficiently utilizes calcium.

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Vitamin A

Vitamin K

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