 Her medication included vitamin K 10 mg twice a week, beta-carotene 40,000 IU daily, vitamin A 10,000 IU daily, vitamin E 400 IU daily, vitamins B6 and B12, calcium, magnesium and eye drops.Prolonged vitamin deficiencies can further compromise health.Specifically, a prolonged vitamin E deficiency can lead to the development of limiting ataxia and gait disturbances.