Don't remember. That was many moons ago. Roy Wolford, though, built some nutritional software that allowed the user to easily compute his RDA's. This was decades ago and, of course, there are many more now. But the clear goal of the CR folks was to make sure they had adequate nutrition through natural means and then let CR do its (supposed) life extending work.
CR is based on the free-radical theory of aging, right?
fewer calories in, means less metabolic work by the body, so it produces less "pollution"(free radicals) that will oxidize tissue organs in the body causing damage etc.
Quality of life and quantity of life are not synonymous. Go read some of the caloric restriction stuff and look at the CR folks. Frail, cold all the time, no energy. Even if they live a few years longer, what sort of life is that?
The problem is for CR to work, you gotta start at a young age.
but to live a healthy life, you dont need to have such drastic caloric restriction. dont get fat, dont go nuts with carbs(if you do, dont let it become a problem(ie let you get fat) so monitor yourself monthly, etc. so you have a pair of pants, etc that if you cant fit into you know its time to diet, etc
if you eat meat cause you need nutritional stuff found in meat, go eat it, but keep your BMI in check, thats the key