Rice milk can be made with beta amalyze an enzyme derived from barley which is chametz and would make the rice milk chametz.
The following brands of OU Kosher pareve original rice milk do not contain any chametz, but are kitniyot:
Clearly Organic
Harris Teeter
RiceSense
Full Circle
Hy-Vee
Krasdale Organic
Meijer
Nature’s Place
Shop Rite
Market Basket
Nature’s Promise
Price Chopper
RiceSense
Wild Harvest
Rice Dream – (unsweetened only)
