Vitamin A: Night blindness, dry skin, increased infection risk.
2. Vitamin B12: Fatigue, weakness, memory problems, tingling in extremities.
3. Vitamin C: Easy bruising, slow wound healing, fatigue.
4. Vitamin D: Fatigue, bone pain, muscle weakness, mood changes.
5. Vitamin E: Muscle weakness, vision issues, impaired immunity.
6. Vitamin K: Excessive bleeding, bruising, blood in urine or stool.