The formula is designed to be taken twice a day to ensure your body is kept replete with nutrients around the clock. If you are preparing for Surgery: Start with the Pre-op formula 5 days prior and up to the day of surgery, or as directed by your physician. Post-op formula may be started as soon as you are able to safely swallow the tablet after the operation.
If you are recovering from an injury, or if you are recovering from surgery and have not been able to start with the Pre-Op formula: Start with the Post-op formula first and then switch over to the Pre-Op Formula, again or as directed by your physician.