here's a pretty comprehensive page about taurine:
http://www.pdrhealth.com/drug_info/n...tau_0246.shtml
in short, dosages range from 500mg to 3 grams a day. i guess it depends on your age and size - if you're younger and/or smaller, use less; if you're older/larger, use more. start low, see how it goes, increase gradually as needed, to save money if nothing else.