There are lots of opinions about this, but very little research to back any of it up. If you're interested in trying alternative approaches, here are some things that people have recommended:
- TENs units
- accupuncture
- massage
- consuming 1 TB of baking soda a day
- CBD oil
- yoga
- AIP diet
- vitamin supplements
- avoiding alcohol
There are likely more, but it's all very case by case.