Vitamin A Deficiency: Signs and symptoms

Most adults have a reserve of vitamin A in their livers (as a fat-soluble nutrient, vitamin A is preserved in the fattest parts of the body). So vitamin A are rare but not impossible. Signs that you may lack vitamin A include:

* Hyperkeratosis, an appearance similar to goose bumps on the skin,
* Increased sensitivity to viral infections,
* Decreased night vision, photophobia,
* Night-blindness, night blindness, hespéranopie,
* Hair loss,
* Loss of appetite,
* Abnormal bone
* Slow growth.