I don't know the nutrient ratios, but here's a site that sells filbert (hazelnut) flour. http://search.store.yahoo.com/cgi-bin/nsearch?follow-pro=1&vwcatalog=low-car b&catalog=low-carb&query=filbert%20flour&.autodone=http://low-carb.com/index .html&x=26&y=14 They also sell almond flour & arrowroot. Jim