I order Oxbox food and hay online and honestly, even with shipping, it works out much cheaper then the store brands. I buy directly from Oxbow at
Oxbow Pet Products | Welcome
Dump the pellets with the colored bit as soon as you can.
Many petstore
GPs have never seen veggies in their lives and don't know what to do with them. Some are even frightened of them. keep offering good veggies. To help show her they are yummy give her some veggies, put your face down at her level and munch on the same veggies. This method has worked for others. Here is a good veggie list
http://www.guineapigcages.com/forum/...tml#post254730
You can also get vit C tablets from Oxbow that are way better then the drops. I won't reiterate why not to use the drops since you already read that info.