Zinc supplementation can cause a copper deficiency.
Elderberry has been used traditionally as a herbal remedy to help relieve fever and symptoms associated with the cold and flu, such as coughs, sore throat and mucus buildup of the upper respiratory tract Recommended Dosage: (Oral): Children 4 - 9 years: Take 1/2 teaspoon 1 time per day, Adolescents: 10 - 17 years: Take 1 teaspoon 1 to 2 times per day. If you are unsure whether you are taking enough copper, consult a health care practitioner prior to use.Caution & Warnings: Consult a Health care practitioner if symptoms persist or worsen. Diuretic effect may occur.