For premenstrual complaints [PMS] you can search on my site [PMS]

3 easy to get herbs for PMS are:
Evening Primrose oil 1000 mg caps.1 0r 2 per day
Dong Quai 1000 mg 2 per day
Valeriana
: 100 mg 2-3 times per day [may cause some sleepiness!]
To start a few days or more before the expected menstruation.
Primrose oil can be taken for extended periods.
By Primrose, oil wish is hexane-free/solvent free.

Example of a good brand:

https://il.iherb.com/pr/american-health-royal-brittany-evening-primrose-oil-1300-mg-2-bottles-60-softgels-each/20478