Multiple choice Which of the following vitamins are synthesized by our body? Vitamins C and D Vitamins A and K Vitamins D and K Vitamins B and K Reveal answer Fill a bubble to check yourself C Correct answer Explanation Yes, it is correct. Our body can synthesize both vitamins D and K. Vitamin D is produced when the skin is exposed to sunlight. Vitamin K is synthesized by the bacteria present in the intestine.