fb61bd32_Taking_Nutritional_Supplements__Reasons_for_Caution
[Clinical Problem] Unexplained or persistent anaemia Copper deficiency [Potentially Harmful Nutrient] Zinc > 25 mg/day [Reasons for Caution] 
High zinc intakes impede copper absorption leading to deficiency and anaemia, bone marrow failure and neurological problems.
Minor Contraindications to Taking Nutritional Supplements
Reasons for Caution