Which of the following vitamin is helpful in delaying the blood clotting -

Options

A. Vitamin C
B. Vitamin B
C. Vitamin E
D. Vitamin K

Answer

To solve the question regarding which vitamin is helpful in delaying blood clotting, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which vitamin is helpful in delaying blood clotting. This implies we need to identify a vitamin whose deficiency leads to increased blood clotting time.

2. **Identifying Relevant Vitamins**: The options provided are Vitamin C, Vitamin K, and Vitamin D. We need to analyze the role of each of these vitamins in blood clotting.

3. **Role of Vitamin K**: Vitamin K is essential for the synthesis of certain proteins required for blood coagulation (clotting). It plays a crucial role in the formation of clotting factors II (prothrombin), VII, IX, and X. Without adequate Vitamin K, the body cannot produce these factors effectively, which leads to delayed blood clotting.

4. **Role of Other Vitamins**:
- **Vitamin C**: Primarily involved in collagen synthesis and does not have a direct role in blood clotting.
- **Vitamin D**: Mainly associated with calcium metabolism and bone health, not directly involved in blood clotting.

5. **Conclusion**: Since Vitamin K is directly involved in the blood clotting process, its deficiency would lead to delayed blood clotting. Therefore, the correct answer to the question is Vitamin K.

### Final Answer:
**Vitamin K** is helpful in delaying blood clotting.

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