Blackmores Superkids Immune Chewables are a great-tasting natural citrus flavoured supplement to support kids’ immune health. Contains Zinc, Vitamin C, D & E with no added sugar– they also help support general health and wellbeing.Blackmores Superkids Immune Chewables are a great-tasting natural citrus flavoured supplement to support kids’ immune health. Contains Zinc, Vitamin C, D & E and no added sugar they also help support general health and wellbeing. Free from artificial colours, flavours and sweeteners. Vitamin C is known for its role in immune function and ascorbic acid is required for normal functioning of the immune system. Vitamin C is widely found in fruits and vegetables. Good sources include blackcurrants, guava, citrus and kiwi fruit and vegetables such as broccoli, capsicum and sprouts.