Nested IF functions

Originally Posted by NBVC

I think it would be better if you actually posted a sample worksheet so that we can see where there may be blank cells, etc... in your table...

Also, please provided samples of expected results.

I have embedded the spreadsheet in a word doc as the spreadsheet doesn't seem to attach.
Colum is the formula I have inserted. From day 33 I need the initial dose to stop being added, then the second 400mg (12.5mg) to stop being added from days 35 etc

Thanks
Ryan