★★★★★
NormaTec is a very good machine but expensive
https://www.youtube.com/watch?v=lrmvdxZ5RKY
There are cheaper brands too
https://www.youtube.com/watch?v=vz9EMn87B6E
Many people say good things about similar machines
Since I wrote many of good brands I don't want to make any advertise, just to help people.
Also there are some good videos of exercising for varicose veins:
https://www.youtube.com/watch?v=BldrK5mp9UI
https://www.youtube.com/watch?v=G_AzQnDFaBU
Dr Axe also mentions prolotherapy or stem cell therapy (prp)