: You can purchase directly from the official OPTIFAST Australia site , which often redirects to verified partner retailers. United States & Canada (OPTIFAST 900 / 800) :
Where you can buy depends primarily on your location and the specific product line you need, as certain versions require medical supervision. Where to Buy by Region Australia & New Zealand (OPTIFAST VLCD) :
: Some general meal replacement variants may appear on Amazon , but these are often different from the medical-grade programs. Key Purchase Details
