NFK has been shown to bind to crystallin proteins under oxidative stress in vitro (107), and during exposure to sunlight (108), suggesting that in the absence of UV filters, it could be a key mediator of UV light induced damage in the lens
For instance, dietary glutamine reduced levels of pro-inflammatory cytokines (including IL-1 and IL-8) while increasing levels of anti-inflammatory/regulatory cytokines (including IL-10) in the small intestine of healthy weaning piglets (123, 124, 166)
When water and nutrients are consumed orally, it takes a fair bit of time for the body to actually absorb what has been consumed, and even then, the body is unable to absorb 100% of the nutrients or water, always leaving a percentage of what is consumed to be expelled through waste
Oxidative Stress as a Critical Factor in Nonalcoholic Fatty Liver Disease Pathogenesis
Here is the list of main ingredients: "Oat meal, corn gluten meal, rice, chicken meal, beef fat preserved with mixed-tocopherols, natural flavor, vegetable oil (source of medium-chain triglycerides), cassava root flour, dried beet pulp, potato protein, powdered cellulose, fish meal ..." So, the bottom line is: Avoid this kibble
But for most purposes (like weekly maintenance injections), IM is the preferred route at home because its simpler (the vitamins absorb quickly from muscle into the bloodstream over a few hours)