People who are on treatment to cure a vitamin or other nutritional deficiency other than Vitamin D supplementation to prevent or treat osteopenia should not donate, even if they pass the haemoglobin-screening test.
Once treatment is completed, even if they then require maintenance treatment, they should be accepted or excluded on the basis of the underlying condition that required treatment. As an example, a person with pernicious anaemia (vitamin B12 deficiency) should not be accepted until their anaemia is fully corrected. Once fully recovered, they may be accepted, even though receiving maintenance treatment to prevent recurrence.
Vitamins and other nutritional supplements are often prescribed to prevent deficiency. For example, this might be for coeliac disease or for people wanting to conceive. Providing any underlying condition is not a reason to exclude the donor, they should be accepted.
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