Which water-soluble vitamin must first be bound to the intrinsic factor secreted by the gastric mucosa before it can be absorbed by the intestinal epithelium?

Question

Quizplus · Accepted Answer

Vitamin B₁₂ (cobalamin), also known as vitamin B₂, must be bound to the intrinsic factor secreted by the gastric mucosa in order to be absorbed by the intestinal epithelium. The intrinsic factor helps to protect the vitamin as it passes through the harsh acidic environment of the stomach and allows for its absorption in the small intestine.

Which Water-Soluble Vitamin Must First Be Bound to the Intrinsic