I am new to this site. And I can see that these posts are about 4 years old. Very recently, I had an interesting event. I have not been a coffee drinker but recently started drinking coffee. I felt significantly better. I felt that I was getting more oxygen. Then I got worse where weakness is concerned. And my ankles became much weaker than usual, so bad I could barely walk. I had to stop drinking coffee. I looked on the Internet and found out that coffee is a bronchodilator, and on this site that it improves weakness with myasthenia gravis and makes it worse if you drink too much coffee.
I have not seen improvement with other caffeine sources, with the possible exception of chocolate.
How much coffee do you drink in a day, and how many grounds do you use in it?