Vitamin B12 deficiency can cause a number of strange sensations, like numbness, tingling, and more. “It felt like electricity ...

Vitamin B 1, also known as thiamine, is essential for the survival of our cells. The human body can't produce it, but we can maintain healthy levels of this vitamin by eating foods like salmon, ...

Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.

Common symptoms of vitamin A deficiency include poor night vision, dry eyes, and rashes. If vitamin A deficiency is untreated it can cause blindness.