What are Probiotics? The word probiotic is derived from Greek roots. Pro means 'supporting' or 'pro', 'for'; and 'biotic' means life. The word Probiotcs means anything, really, which is supportive of life. When we talk about food supplements and 'probiotics', we usually think about the special brands of yogurt which contain those specific cultures of beneficial bacteria which are probiotic. Or we might bring to mind the various supplements containing probiotics which we see in our favorite health food shop. Although the term probiotics is one which has only recently been applied to the beneficial cultures used in yogurt making today, and which are found in ...