Intrinsic factor in digestion is a stomach secretion needed for absorption of __________ from the small intestine. 22:11 Biology Chapter 14 Intrinsic factor in digestion is a stomach secretion needed for absorption of __________ from the small intestine. A) vitamin A B) vitamin B12 C) vitamin C D) vitamin D E) vitamin K Answer: b Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+