ProVen Probiotic Urgent C Everyday Immune (30). Ongoing  immune support in one delicious daily drink. Urgent-C Everyday Immune Support is a delicious orange-flavoured effervescent drink which can also be taken by sprinkling directly into the mouth, to give a sherbet orange burst sensation.. Designed for ongoing daily use, Urgent-C Everyday Immune Support contains 1000mg of vitamin C, along with vitamin D, zinc, selenium and beta glucans to provide comprehensive immune support.. It is also unique in containing 5 billion of the extensively studied Lab4 friendly bacteria, which form a natural part of the human intestinal microbiome.. Urgent-C Everyday Immune Support can be used as long-term daily support for immunity – just one delicious drink every day.