If everything what you are doing is right then why the problem? If effect is there then must be cause... because with out a cause no effect.
Next Steps
What is right food? What food actually you need for your life ? That should be experienced based not the experiment based.
Health Tips
Small meal at small interval... this not advised ... The food taken once need minimum 6 hrs. to pass a 1st part of digestive system.. 24 hrs. need to finish 1st level of digestion... 1 week to complete 2nd level, of absorption... 1 month to complete the 3rd level, assimilation... the Dhatu paka or tissue metabolism needs to complete all these levels to form properly... You are doing manipulation one or the other way..so the blood pressure is variation ..
Blood is the immediate 1st and 2 nd dhatu forming during Dhatu formation...
in simple words your lifestyle itself creating The problem.. find proper way of routine through experiential science... dont relay on experimental things which changes by experiments now and then..