The 3 foods that remain in your stomach the longest are red meat, fatty foods and processed and fried foods.
These foods remain in your stomach the longest as the red meat, fatty foods and processed and fried foods require more stomach acid and specialized digestive enzymes to break the foods down.
Foods like red meat, fatty foods, processed and fried foods can remain in your stomach for 6 hours to 8 hours or even longer.
Some people also have trouble digesting these foods and they may upset their stomach or even cause diarrhea.
Foods with pure fats are also the slowest nutrient for your body to digest.
The foods with pure fats require bile salts and lipase enzymes to break down, which means that fatty meals and oils will delay stomach emptying significantly.
Red meat like pork, beef and lamb are also dense in both fat and protein, and so red meats often take 4 hours to 6 hours or even longer to break down and digest in the stomach.
And fried and processed foods, especially heavily processed and deep fried foods also combine the unhealthy saturated fats or trans fats, which also coat your stomach walls and prevent digestive juices from mixing as effectively as they should.
Having digestive issues can also prevent food from breaking down and digesting as properly or as fast as it normally should.
Even creamy sauces, avocados, nuts and butter as well as cheese can take longer to digest and stay in your stomach for a pretty long time.
Most food, often stays in your stomach for 40 minutes to 120 minutes, before being digested and turned into energy and then waste.
Although the actual time the food stays in your stomach, will depend on the type of food and whether or not you have any digestive issues.