In comparison to many other foods, yes, meat can be difficult to digest. Meat is protein-dense animal muscle, and, in comparison to many other foods, for optimal digestion it requires better chewing, more acid secretion by the stomach's parietal cells, and more active enzyme secretion by the pancreas. None of these factors mean that meat consumption should be avoided, however. Low-fat meats can make excellent additions to a meal plan, if eaten in moderation, even though many individuals choose to avoid meat for a variety of different reasons.
Digestibility refers to how much of a food can be broken down into necessary nutrients used by the body. King states that 97 percent of beef is digestible, compared to just 65 percent of most vegetables or 89 percent of flour. Depending on your overall health, medication usage and the state of your digestive tract, it takes 24 to 72 hours to fully digest red meat.