Welcome @crampedup, I know it has to be frustrating as well as painful trying to find something that helps the fasciculations and cramping. You will notice that we moved your post to an existing discussion on the same topic so that you can connect with members who also have BFS. If you click the link it will take you to the top of the discussion where you can learn what others have shared --- Benign fasciculation syndrome (BFS): https://connect.mayoclinic.org/discussion/benign-muscular-fasciculation/

@kennapie, @willard74, @windyshores, @carlakay72 and @pathfinder2263 may be able to share more about their experience with you. While we wait for other members to share with you, here is some information that lists some lifestyle changes that may be able to help some with the symptoms.
— Benign fasciculation syndrome: What causes muscle fasciculations?:
https://www.medicalnewstoday.com/articles/320388

Do you think stress or anxiety may be playing a part in your BFS symptoms?