Stumbled upon this company from here:

http://cats.about.com/od/homepreparedfood/tp/toprawdiet.htm

Top Raw Food Diet Supplements for Cats
By Franny Syufy, About.com
1. Instincts TC by Feline Future

Feline Future, used with permissionThe dietary formulation for Instincts TCTM closely resembles that which cats would eat in the wild, and requires only the addition of raw meat, raw liver, and water. The result is a complete and balanced food for cats of all ages. No other supplements should be given along with the diet, as they are unnecessary, and in some cases, may even be harmful. Instincts TCTM may be prepared in bulk and frozen in individual meal packets.
Manufacturer's SiteRead Review

2. Alnutrin Supplements
Alternative Nutrition Alnutrin Supplements are powdered mixtures of vitamins and minerals to ensure your homemade cat food includes all the necessary nutrients for cats. The raw materials are manufactured USA, Europe or Japan, and are made with human food grade raw materials. They were developed by a chemist with years of experience feeding her own cats home-prepared raw and cooked meals. You'll find more information here about these supplements.
Manufacturer's Site

3. Sojourner Farms European-Style Cat Mix
Sojourner Farms European-Style Cat Mix is a dry supplement, which is added to raw meat and water. The manufacturer also suggests the addition of raw or steamed vegetables and fruits, such as potatoes, broccoli, carrots, apples and bananas. Overnight soaking of the supplement is recommended, as is a gradual introduction of the new diet.

4. Wysong Call of the Wild
Call of the Wild can be used to top-dress commercial cat food, or better yet, sprinkled on top of raw chicken, turkey, rabbit, or other natural prey of cats. It contains, in part, Poultry, Poultry Liver, Dried Whey, Calcite, Ground Bone, Calcium Carbonate, Barley Grass Powder, Wheat Grass Powder, Ground Sesame Seeds, Lecithin, Dried Kelp, Dried Seaweed Meal - those additives you might find time-consuming to source on your own.

5. Missing Link Feline Formula
Missing Link was also designed to supplement commercially prepared canned and dry cat foods. However, it is a good source for those additional nutrients your cat needs in a raw food diet. Ingredients include Flaxseed, rice bran, primary dried yeast, blackstrap molasses, freeze dried beef liver, sunflower seed, dehydrated alfalfa, dried carrot, shark cartilage powder, freeze dried fish protein powder, freeze dried oyster powder, barley grass leaf powder, dried kelp, and other vitamins, minerals, and pribiotics

Any thoughts on any of them?

In the past we used The Missing Link with no problems that we knew of. It really helped out a kitty who had some skin problems. I think it was made by a different company at that time and has now been taken over by another. I don't know this for sure, but the package changed, and the name changed from "The Missing Link to Healthy Cats" to just "The Missing Link".

Now that I'm looking at foods more carefully some of the ingredients concern me. There was a discussion of alfalfa here somewhere - sorry not to give the link but I'm a little limited at this time in how much typing I can do - and also I have some hesitation about garlic, myself. I checked the website a few months ago and it still listed garlic as an ingredient. I know others have a differing viewpoint on garlic, and I understand that, opinions vary greatly on it. With both these ingredients everyone has to look at all the data and form their own opinions, of course. And I think there are some here using The Missing Link now with great success.

 

That Alnutrin sounds like a dream come true!  They have recipes on the site too, with nutrient profiles and cost per 6oz for most of them.  There is one cooked recipe but the rest are raw.

They also have a nutrient calculator that looks very cool, and side by sides of AAFCO, NRC and the Canadian cat food nutrition requirements (right side of second link):

http://www.knowwhatyoufeed.com/nutrient_calculator.html
http://www.knowwhatyoufeed.com/food_regulation.html

I haven't looked at it that close, but looks like the first block you put in % of each ingredient.  I was going to try a test run of the T&T recipe later to see how it works, so I will have to convert all the grams of meat, liver and veggies to percentages of the total mix.  I was going to see if I can leave the alnutrin slot blank to see how the basic recipe without supplements measures up and then I can see what's missing and compare to what I am putting in now vs. supplementing with their formula.

The only thing I am unsure of in the their supplement is the egg yolk.  Not sure if that is OK for CRF kitties.

Thanks, Laurie.  I always saw to use the egg whites and not the yolk, so I guess it's the P that is the problem there.  I doubt there's enough in the supplement mix to add much!

Hopefully Japan is back in the taurine market now that they see we want a source we can trust.

I ran a few recipes I use through the nutrient calculator.  It automatically adds their supplement.

Did anyone else notice that some of the metal-containing minerals, like iron and copper, came out well over the minimum amounts listed--sometimes more than twice as much?  Granted, the amounts listed are minimums, not RDAs, but still it makes me a little nervous, in view of the discussions about excess of these supplements on some other threads.  I think there is not much room for maneuvering between "bare minimum" and "too much" with these elements.

I do think I might order some of the plain taurine, though.  If I got the multiple-ingredient supplement, I'd get the one without calcium and use my own eggshell powder, since I think it is superior to the "rock" calcium that they are using.