Which vitamin is synthesized by intestinal bacteria ?
Correct answer: D. Vit K
- A. Vit B
- B. Vit A
- C. Vit D
- D. Vit K
Explanation
Intestinal bacteria synthesize vitamin K, particularly menaquinones, which contribute to the body's vitamin K supply. Vitamins A and D are obtained mainly from dietary sources or precursors rather than being produced substantially by gut bacteria.
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