Wysong Epigen 90 (Dry)

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Rating: ★★★★★

Wysong Epigen 90 Dog Food receives the Advisor’s top rating of 5 stars.

The Wysong Epigen 90 product line includes one dry dog food, a recipe claimed to meet AAFCO nutrient profiles for adult maintenance.

Wysong Epigen 90

Dry Dog Food

Estimated Dry Matter Nutrient Content

Protein = 70% | Fat = 18% | Carbs = 4%

Ingredients: Chicken meal, organic chicken, meat protein isolate, chicken fat, gelatin, natural flavor, coconut oil, chia seeds, taurine, calcium propionate, choline chloride, apple pectin, fish oil, yeast extract, citric acid, chicory root, hemicellulose extract, mixed tocopherols, rosemary extract, yeast culture, minerals (potassium chloride, zinc proteinate, zinc sulfate, ferrous sulfate, iron proteinate, copper sulfate, copper proteinate, manganese sulfate, manganese proteinate, sodium selenite, calcium iodate), calcium carbonate, vitamins (ascorbic acid [source of vitamin C], vitamin E supplement, niacin supplement, calcium pantothenate, vitamin A supplement, thiamine mononitrate, pyridoxine hydrochloride, riboflavin supplement, vitamin D3 supplement, biotin, vitamin B12 supplement, folic acid), dried Bacillus licheniformis fermentation product, dried Aspergillus oryzae fermentation product, dried Aspergillus niger fermentation product, dried Enterococcus faecium fermentation product, dried Lactobacillus casei fermentation product, dried Lactobacillus acidophilus fermentation product, dried Bacillus subtilis fermentation product, dried Lactobacillus plantarum fermentation product, dried Lactobacillus lactis fermentation product

Fiber (estimated dry matter content) = 3.3%

Red items indicate controversial ingredients

Estimated Nutrient Content
MethodProteinFatCarbs
Guaranteed Analysis63%16%NA
Dry Matter Basis70%18%4%
Calorie Weighted Basis60%37%4%
Protein = 60% | Fat = 37% | Carbs = 4%

The first ingredient in this dog food is chicken meal. Chicken meal is considered a meat concentrate and contains nearly 300% more protein than fresh chicken.

The second ingredient is organic chicken. Although it is a quality item, raw chicken contains up to 73% water. After cooking, most of that moisture is lost, reducing the meat content to just a fraction of its original weight.

After processing, this item would probably account for a smaller part of the total content of the finished product.

The third ingredient is , a product made by “separating meat protein from fresh, clean, unadulterated bones by heat processing followed by low temperature drying to preserve function and nutrition. This product is characterized by a fresh meaty aroma, a 90% minimum protein level, 1% maximum fat and 2% maximum ash”.1

Contrary to what the name would normally imply, this item is not generic. According to Wysong (on its website), this ingredient is derived exclusively from pork meat.

This is a quality source of meat-based protein.

The fourth ingredient is chicken fat. Chicken fat is obtained from rendering chicken, a process similar to making soup in which the fat itself is skimmed from the surface of the liquid.

Chicken fat is high in linoleic acid, an omega-6 fatty acid essential for life. Although it doesn’t sound very appetizing, chicken fat is actually a quality ingredient.

The fifth ingredient is gelatin, a colorless, flavorless, translucent, brittle substance that’s irreversibly derived from the collagen found in the skin and bones of animals.

Although it consists mostly of protein (98-99% non-essential amino acids), gelatin is of only limited nutritional value to a dog.

After the natural flavor, we find coconut oil, a natural oil rich in medium-chain fatty acids.

Medium-chain triglycerides have been shown to improve cognitive function in older dogs.2

Because of its proven safety3 as well as its potential to help in the treatment of canine cognitive dysfunction syndrome (CDS) and chronic skin disorders, MCT can be considered a positive addition to this recipe.

The eighth ingredient includes chia seed, an edible seed nutritionally similar to flax or sesame. Provided they’re first ground into a meal, chia seeds are rich in both omega-3 fatty acids as well as dietary fiber.

However, chia seeds contain about 17% protein, a factor that must be considered when judging the meat content of this dog food.

From here, the list goes on to include a number of other items.

But to be realistic, ingredients located this far down the list (other than nutritional supplements) are not likely to affect the overall rating of this product.

With four notable exceptions

First, chicory root is rich in inulin, a starch-like compound made up of repeating units of carbohydrates and found in certain roots and tubers.

Not only is inulin a natural source of soluble dietary fiber, it’s also a prebiotic used to promote the growth of healthy bacteria in a dog’s digestive tract.

Next, this recipe includes fish oil. Fish oil is naturally rich in the prized EPA and DHA type of omega-3 fatty acids. These two high quality fats boast the highest bio-availability to dogs and humans.

Depending on its level of freshness and purity, fish oil should be considered a commendable addition.

In addition, we find yeast extract. Yeast extract is the common name for a broad group of products made by removing the cell wall from the yeast organism.

A significant number of these ingredients are added as specialized nutritional supplements while others are used as flavor enhancers.

However, the glutamic acid (and its chemical cousin, monosodium glutamate, or MSG) found in a minority of yeast extracts can be controversial.

That’s because even though the Food and Drug Administration designated these food additives to be safe decades ago4, the agency continues to receive reports of adverse effects.

So, detractors still object to the use of yeast extract and other glutamic acid derivatives and blame them for everything from Alzheimer’s (in humans) to obesity.

In any case, since the label reveals little about the the actual type of yeast extract included in any recipe, it’s impossible for us to judge the quality of this ingredient.

And lastly, this food contains chelated minerals, minerals that have been chemically attached to protein. This makes them easier to absorb. Chelated minerals are usually found in better dog foods.

Wysong Epigen 90 Dog Food
The Bottom Line

Judging by its ingredients alone, Wysong Epigen 90 looks like an above-average dry product.

But ingredient quality by itself cannot tell the whole story. We still need to estimate the product’s meat content before determining a final rating.

The dashboard displays a dry matter protein reading of 70%, a fat level of 18% and estimated carbohydrates of about 4%.

And a fat-to-protein ratio of about 25%.

Above-average protein. Above-average fat. And below-average carbs when compared to a typical dry dog food.

Even when you consider the protein-boosting effect of the chia seed, this looks like the profile of a kibble containing a significant amount of meat.

Bottom line?

Wysong Epigen 90 is a meat-based dry dog food using a significant amount of named meat and meat protein isolate as its main sources of animal protein, thus earning this recipe 5 stars.

Enthusiastically recommended.

As kibbles go, this one is unique. Not only is it grain free, it’s also potato free. And it possesses one of the most abundant meat contents of any dry dog food in our database.

Please note certain recipes are sometimes given a higher or lower rating based upon our estimate of their total meat content and (when appropriate) their fat-to-protein ratios.

Wysong Dog Food
Recall History

The following list (if present) includes all dog food recalls since 2009 directly related to this product line. If there are no recalls listed in this section, we have not yet reported any events.

You can view a complete list of all dog food recalls sorted by date. Or view the same list sorted alphabetically by brand.

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Special FDA Alert

The FDA has announced it is investigating a potential connection between grain-free diets and a type of canine heart disease known as dilated cardiomyopathy. Click here for details.

A Final Word

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Each review is offered in good faith and has been designed to help you make a more informed decision when buying dog food.

However, due to the biological uniqueness of every animal, none of our ratings are intended to suggest feeding a particular product will result in a specific dietary response or health benefit for your pet.

For a better understanding of how we analyze each product, please read our article, "The Problem with Dog Food Reviews".

Remember, no dog food can possibly be appropriate for every life stage, lifestyle or health condition. So, choose wisely. And when in doubt, consult a qualified veterinary professional for help.

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Notes and Updates

02/02/2018 Last Update

  1. Association of American Feed Control Officials
  2. Pan Y et al, Dietary supplementation with medium-chain TAG has long-lasting cognition-enhancing effects in aged dogs, British Journal of Nutrition, Volume 103, Issue 12, June 2010, pp 1746-1754
  3. Matulka RA et al, Lack of toxicity by medium chain triglycerides (MCT) in canines during a 90-day feeding study,Food Chem Toxicol, Jan 2009, 47(1) 35-9.
  4. L-Glutamic Acid, FDA Select Committee on GRAS Substances