Is zinc harmful to human health or living organisms?
No, zinc is not harmful to human health or living organisms, nor is it toxic in itself since it is necessary, and indeed essential, in small quantities for all living organisms whether they are human, vegetable or animal. They draw it from their food in order to ensure that their metabolism functions properly. Zinc is essential for human health, for example for growth and for the protection of the skin. It also plays an important role in the development of the brain, foetal development, immune functions, sense of taste, sense of smell, etc.
