You want a probiotic that has several different strains in it and not just acidopholous.
Go to a reputable health food store in your area and they should be able to point you towards a good one.
Disclaimer: The Gabriel Method is not intended to treat, cure, or prevent any disease or illness. This information is intended for educational purposes only, not as medical advice. Always check with your doctor before changing your diet, eating, or health program.