Echinacea with vitamin c and zinc 20 effervescent tablets and vitamin c 550mg 20 effervescent tablets to boost the immune system and treat the symptoms of the common cold. dosage echinacea with vitamin c and zinc: 1 tablet daily in 1 glass of water 200ml. vitamin c 1000mg: 1 tablet daily in 1 glass of water 200ml, before meals. precautions: do not exceed the recommended daily dose. food supplements should not be used as a substitute for a balanced diet. excessive consumption may cause a laxative effect. this product is not intended for the prevention, treatment or cure of human disease. consult your doctor if you are pregnant, breastfeeding, taking medication or have a health problem. keep out of reach of children, in a cool, dry place.