Kefir is great! I drink an 8oz glass everyday and now will try it with honey (REALLY RAW HONEY - http://www.reallyrawhoney.com) and some black strap molasses. That sounds dee-lish!! I also eat organic yogurt and take a multi-zyme and lact-enz pills by Standard Process. No artificial anything and made directly from food. Here is the link:
I get mine from my chiropractor(very organic - holistic) and also have a holistic skin care specialist who uses their products. Check your local organic shop as they might carry them too.