What Diet Should Be Followed To Lower Blood Pressure Levels?

i am trying to find out what teas and foods will help lower blood pressure and A1C levels?
i take medications and am looking for more help. I take bystolic an d exforge but i still need more help. For the diabetes, I take Oseni and Jardiance. My A1C is down to 9 now from 11.9. I feel like I need more help without adding more medications. I like tea and am willing to eat foods that can help also. Can you recommend something. My email is YYYY@YYYY
Thank you