– Protects your eyes from night blindness- Supports a healthy immune system- Supports bone healthNature’s Field Vitamin A 10000IU protects your skin, bones, teeth, and eyes. Vitamin A is necessary for the tissue health of the body. Vitamin A helps to prevent night blindness and decrease the deterioration of your eyesight as you become older. Vitamin A also helps the eyes adjust to variations in light, which is especially important at night. Getting enough Vitamin A can help your immune system stay healthy and perform at its best.