i TAKE AVINZA 30MG EVERY DAY. I USED TO BE TAKING THE 120MG AND HAVE WORKED MY WAY DOWN TO THE 30 MG IN LESS THAN 2 MONTHS. I THINK IT WORKS WELL WHEN IT IS BUILT UP IN YOUR SYSTEM, HOWEVER BE CAREFUL ABOUT THE WITHDRAWALS FROM NOT TAKING IT AT THE SAME TIME. I HAVE NOTICED IF I MISS IT AND DONT TAKE IT WITHIN A FEW HOURS I GET REALLY WOOZY AND FEEL HORRIBLE UNTIL I TAKE IT AND WAIT 30MINUTES TO AN HOUR. HOPE THIS HELPS.