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Nature's Logic



Another food, found on Amazon:

•Over 90% Animal Ingredients
•Grain Free - Low Carbohydrates
•Gluten Free
•All Natural Whole Food Formula
•No Synthetic Vitamins or Minerals

INGREDIENTS: Rabbit, Water Sufficient for Processing, Rabbit Liver, Dried Egg Product, Porcine Plasma, Montmorillonite Clay, Cottage Cheese, Cod Liver Oil, Egg Shell Meal, Brewers Dried Yeast, Dried Apple, Dried Apricot, Alfalfa Meal, Dried Artichoke, Dried Blueberry, Dried Broccoli, Dried Carrot, Dried Chicory Root, Dried Cranberry, Dried Kelp, Parsley, Dried Pumpkin, Rosemary, Dried Spinach, Dried Tomato.

Opinions? What's the deal with clay? Strange ingredient, no?

from the FAQ:

Montmorillonite is a clay mined from an area where volcanic ash has been deposited into inland sea waters. It is used in some pet foods as a natural anti-caking agent. It avoids the need for man-made or chemical agents for this specific purpose. The montmorillonite used in Nature’s Logic’s products is approved for inclusion in USDA Organic Certified products and comes from Redmond Minerals, a supplier whose product has been tested and shown to contain no dioxin. Click here to view a pdf containing a technical analysis sheet of the clay we use.
Montmorillonite clay may also bring with it added health benefits to pets. It is a natural source of over 70 chelated trace minerals. Studies have shown montmorillonite clay to help bind and eliminate toxins from the body. Initial results from Texas A & M University indicated the clay sequestered aflatoxins but scientists indicated further study was needed. Veterinarians are beginning to prescribe montmorillonite clay to help dogs with diarrhea caused by radiation and chemotherapy cancer treatments. Studies have also proven the clay can be an effective alternative to other anti-secretory agents which can cause serious complications ranging from nausea to anemia, including neurological issues. In most cases, dogs had normal stools within 48 hours of being administered the clay. Click here to view a pdf of the sited published study. Other reported benefits from montmorillonite clay include improved weight gain, better utilization of food, glossier hair coat, and improved hoof condition in horses.


Porcine plasma? As in pig blood?
yeah, some of this stuff has me wondering too....

From the website:

What is “animal plasma” and what is the source?
In nature, dogs and cats are meat eating predators, what scientists call carnivores. When wild dogs or cats consume their prey they eat the entire animal, including hair, bones, entrails, BLOOD, stomach contents, etc. The animal blood is as natural a part of a carnivore’s diet as the meat and bone consumed from prey.

No life exists without blood, and the nutrients it provides as part of the diet of carnivorous animals is essential. Nature’s Logic’s animal plasma is a highly palatable food (spray dried blood with red cells removed) composed of high levels of important albumin and globulin proteins. In the wild, carnivores do not eat diets supplemented by chemically synthesized vitamins, minerals and amino acids. The Nature’s Logic animal plasma is an important natural food ingredient which supplies natural sources of iron, sodium, chloride, potassium, calcium, phosphorus, magnesium, numerous vitamins, and over 18 amino acids. These nutrients found naturally in animal blood plasma play a huge role in creating a safer and more natural diet and help decrease the need for adding potentially toxic chemically synthesized supplements coming predominantly from China. Continued research has found that plasma proteins:
  • Improve the efficiency of dietary protein utilization
  • Possibly reduces pathogen attachment and replication
  • Helps to maintain gut barrier function
  • Reduces local inflammation of the small intestine
  • Reduces mucosal damage in the intestinal tract
  • Helps maintain “tight” junctions of the intestine
The source of our plasma is porcine. The product is collected at USDA meat processing plants and is further processed at state of the art facilities in Iowa and Kansas.

References: Quigley et al. 2004. Effects of spray-dried animal plasma on intake and apparent digestibility in dogs. J. Amin. Sci. 82, 1685-1692; Pérez-Bosque et al. 2004. Effects of dietary protein on the immune response...B. J Nutr. 2004; 134: 2667-2672; Garriga et al. 2005 Spray-dried porcine plasma reduces the effects of staphylococcal enterotoxin B on glucose transport. J Nutr. 2005; 135:1653-1658; Pérez-Bosque et al. 2006. Spray-dried animal plasma prevents the effects of Staphylococcus aureus Enterotoxin B on intestinal barrier function...J Nutr. 2006; 136:2838-2843; Rodriguez et al. 2007. Porcine immunoglobulins survival in the intestinal tract of adult dogs and cats fed dry food kibbles containing spray-dried porcine plasma (SDPP) or porcine immunoglobulin concentrate (PIC). Anim. Feed Sci. Tech. 139: 201-211; Pérez-Bosque et al. 2008. Dietary plasma proteins modulate the immune response of diffuse gut-associated lymphoid...challenged with Staphylococcus aureus Enterotoxin B. J. Nutr. 138: 533-537.


Staff member
Last year there were reports that this brand was being returned to stores because of excessive vomiting in cats. I don't know the details or whether the formula has changed. Here are pros &n cons:

- Rabbit, Chicken, & Beef varieties of mixes and 2 "Supplement" choices which are just meat/bone/organs.
- Ca/phos for rabbit is 1.5:1 chicken 1.64:1 beef 1.6:1 w/ very difficult absolute amts of Ca and Phos.

Pluses for both Supplement and regular mix formulas:
* US sourced meat
* Organs - kidney, Liver & Heart (not each mix variety has all of these)

Minuses: Formula w/ veg. etc.
* No real bones in certain products e.g. chicken formula
so this is a HUGE negative!
* Too low a meat ratio w/ rabbit at 92% & beef + chicken at 90%
* Odd & even some unsafe ingredients e.g. Suncured Alfalfa Meal, apricot powder, various fruits, Montmorillonite Clay, etc.
* Contains Whole Eggs including egg whites which can lead to a biotin deficiency

Minuses: 2 Supplement meat chubs - beef and chicken
* No real bones in beef supplement formula, just eggshell
* Seems to have just 3% bone ratio which is too low
* No Ca, P, or other detailed info provided just protein, fat, fiber, & moisture


Savannah Super Cat
I don't know. I just don't trust commercially made pet foods anymore as the main source of nutrition for my pets. When I make my own I know exactly what's in it and where it comes from. Sounds like this food might be okay as an addition to their regular diet, though.


Site Supporter
I don't know. I just don't trust commercially made pet foods anymore as the main source of nutrition for my pets. When I make my own I know exactly what's in it and where it comes from. Sounds like this food might be okay as an addition to their regular diet, though.
I agree with you. All this is only research and advertising. I in the past have a degree in chemistry. All science is trying to get closer to nature, but no one can:)


I don't know. I just don't trust commercially made pet foods anymore as the main source of nutrition for my pets. When I make my own I know exactly what's in it and where it comes from. Sounds like this food might be okay as an addition to their regular diet, though.
I also agree, but I don't really have the time or resources to make my own (not to mention that I'm afraid of messing this up worse), so I'm trying to do the best that I can.


Savannah Super Cat
It does take time, that's for sure. I spend about 1.5 hours every 2 weeks. The cost ends up being less than commercial foods though, except for the initial cost of a grinder (if you grind). If I could cut it up without pain, I probably would. I get chickens on sale, so it's about $25-30 every 2 weeks, but I have 4 cats and a basset hound that I'm feeding.