Zinc Deficiency Symptoms
- Poor wound healing
- Hair loss
- Skin rashes, especially around mouth and eyes
- Reduced taste and smell
- Reduced immune function
Copper Deficiency Symptoms
- Anaemia (unresponsive to iron)
- Neutropenia (low white blood cells)
- Neurological symptoms — gait problems, numbness
- Often caused by excessive zinc supplementation or bariatric surgery
Zinc-Copper BalanceLong-term high-dose zinc supplementation (common in some cold remedies and immune supplements) can cause copper deficiency — a good reason not to take high-dose zinc long-term without medical guidance.
Can zinc supplements really cause copper deficiency?
Yes — this is a well-documented interaction, particularly with denture cream (some contain zinc) and high-dose zinc supplements taken over months to years.
Medical Disclaimer: This page is for general education only and does not replace professional medical advice. Always consult a qualified healthcare provider.