I got a headache when I had to show up fasted for a blood test. Didn’t like that at all so I got decaf for home morning coffee. I can drink whatever in the afte

I got a headache when I had to show up fasted for a blood test. Didn’t like that at all so I got decaf for home morning coffee. I can drink whatever in the afternoon and now no headache when I fast for blood tests. Much happier about that outcome.