The vitamin which works along with para thyroid hormone is :

Options

A. Vitamin C
B. Calciferol
C. Tocopherol
D. Vitamin -B12

Answer

To determine the vitamin that works along with parathyroid hormone, let's analyze the options provided step by step.

### Step 1: Understanding Parathyroid Hormone (PTH)
Parathyroid hormone is a crucial hormone produced by the parathyroid glands. Its primary role is to regulate calcium levels in the blood. It increases blood calcium levels by promoting the release of calcium from bones, increasing calcium absorption in the intestines, and reducing calcium loss in urine.

**Hint:** Recall the functions of parathyroid hormone and its relationship with calcium metabolism.

### Step 2: Evaluating the Options
Now, let's evaluate the given options one by one:

1. **Vitamin C**: This vitamin is essential for the growth and repair of tissues. However, it does not play a role in calcium metabolism or work alongside parathyroid hormone.

**Hint:** Think about the functions of Vitamin C and its relevance to calcium.

2. **Calciferol (Vitamin D)**: This vitamin is known to enhance the intestinal absorption of calcium. It works synergistically with parathyroid hormone to maintain calcium homeostasis in the body. Therefore, this is the correct option.

**Hint:** Consider how Vitamin D interacts with calcium and its importance in bone health.

3. **Tocopherol (Vitamin E)**: This vitamin primarily acts as an antioxidant and does not have a direct role in calcium metabolism or in conjunction with parathyroid hormone.

**Hint:** Reflect on the primary functions of Vitamin E and its relevance to calcium.

4. **Vitamin B12**: This vitamin is crucial for the formation of red blood cells and the proper functioning of the nervous system. It does not have any significant role in calcium metabolism.

**Hint:** Think about the role of Vitamin B12 and how it differs from calcium-related functions.

### Step 3: Conclusion
After evaluating all the options, the vitamin that works along with parathyroid hormone is **Calciferol (Vitamin D)**, as it plays a vital role in calcium absorption and regulation.

**Final Answer:** Calciferol (Vitamin D)