Blackmores Vitamin C 1000, Echinacea + Zinc effervescent is a 98% sugar free great tasting effervescent including a boost of vitamin C to support your immune system. Blackmores Vitamin C 1000, Echinacea + Zinc is a 98% sugar free effervescent tablet containing a combination of Vitamin C, Echinacea and Zinc to support healthy immune function. Reduces the severity and duration of common cold symptoms Supports vitamin C and zinc levels in the body to maintain healthy immune system function 98% sugar free with no artificial flavours Antioxidant AUST L 312424 Blackmores Vitamin C 1000, Echinacea + Zinc Effervescent Tab X 10.