Which water-soluble vitamin can be stored in the liver, but despite this is often found to be deficient in vegans and the elderly?

Question

Quizplus · Accepted Answer

Vitamin B₁₂ is primarily found in animal products; although there are storage capabilities in the liver, long-term vegans are at risk for deficiency. The elderly are at risk of deficiency due to decreased food intake and decreased intrinsic factor.

Which Water-Soluble Vitamin Can Be Stored in the Liver, but Despite