Things I have found infinitely more helpful than gripe water:
- Babywearing. Carrying your baby close to your heart all day will help to keep her calm. It doesn't stop the wind, but it means the baby is better able to deal with it, and there's less screaming.
- drinking (as in mum drinks) one cup of camomile tea per day. Peppermint tea also helped my babies, but it's not great for milk supply. If you work really hard at building your supply to the point of no top-ups, you should be able to try this.
- holding baby on her tummy along your forearm. With my DD1 we did this all the time.

Also look up Harvey Karp. His five Ss are great for calming purple crying.