Oxbow Hay company is the best for food.
http://www.oxbowhay.com/showProduct....T_NO=44&cat=46 Here is the link. Oxbow products are vet reccomended. Um you can order oxbow products from other online stores too.
http://www.ferretstore.com/ox-245.html http://www.critterstore.com/rabbits--food.html
For bedding your rabbit can be litter box trained so you won't need bedding all through out the cage just litter boxes with bedding. Wood pellets in the litter box works well or carefresh etc.