perhaps also try the brauers stomach calm.
But, if Asha's reflux is bad enough, go to your paed and get a script for losec.
I tried Aiden on mylanta, and it worked for a day or to, but, then, gave him a very upset stomach, and he ended up being muchmuch more unsettled.
Now, he has losec, as regular as i remember, and if i forget, i give him abit of stomach calm when i can tell its hurting him. I dont mean to sound like a bad mum, but, generally, he is starting to grow out of it, so i am not that strict with giving it to him.

ETA - i had Aiden on Novelac for Reflux. Expensive. I had him on it for about 3 weeks or so, from 10weeks old to about 13 weeks old, and then his reflux started getting worse. I rang my paed, and told him what i was feeding Aiden, and he told me that they dont recommend thickened formulas as they mask the problem, and also, when they do want to throw up, it can cause them more pain... or something to that effect. He recommened me to use Nan 1 Ha Gold, which i did, and Aiden has been fine ever since.