It seems to me that your green smoothies, ph up pills and juicing are not doing what you thought they should be doing. To understand why they aren't you will have to read about NPN (non-protein nitrogen). Use the search engine and look for NPN or Brix.
Go to this post http://curezone.com/forums/fm.asp?i=1432095#i
for an introduction to the moreless protocols and follow the additional links inside. You will have to do some reading but it will be time well invested.
To increase your pH you will need a variety of minerals. You will find those in top quality produces and in the ML alkalizing drinks.