Vitamins deficiencies and risks/problems they cause??

• Vitamin A: dry hair, broken nails, increased risk of infections, anemia, loss of eyesight
• Vitamin B1: permanent neuromuscular disorders, permanent defects in learning & short-term memory, coma, death
• Vitamin B9 (folate): forgetfulness, irritability, hostility, paranoid behaviors
• Vitamin B12: neurological symptoms, numbness & tingling of extremities, difficulty walking, memory loss, disorientation,megaloblastic anemia, permanent neural impairment, extreme delusions, hallucinations, overt psychosis
• Vitamin D: muscle pain & spasms, weakness, bone pain, osteomalacia (adult-form rickets), osteoporosis, increased cancer risk
• Calcium: osteopenia, osteoporosis, hypoparathyroidism, hypotension, muscle cramping
• Iron: anemia, fatigue, hair loss, feeling cold, eating ice uncontrollably (a form of Pica)
• Copper: anemia, neurological impairment
• Zinc: decreased sense of smell, altered taste, poor wound healing, poor appetite, anemia, lethargy, poor libido, hair loss, lack of proper protein utilization in the body

I have been looking @ your articles, i had RNY 3 yrs ago, i have had good labs until about 6 mon. ago. I now have low iron. first it was too high , now it's too low. any recomendations?