• exogenous (those provided from outside the body)
Endogenous:
Most people think of enzymes as relating only to digestion. However, they are actually involved in every metabolic process. The enzymes involved in these processes are known as metabolic enzymes, and are produced within the body.
Although the body does produce digestive enzymes as well, the majority of endogenous enzymes are metabolic, and most are produced in the pancreas.
They are then transported all around the body to perform their specific tasks - from allowing neurotransmitters in the brain to produce thoughts and emotions, to facilitating every beat of our heart and every breath of air we depend on.
Exogenous:
The second source of enzymes comes from outside the body - from our diets. These are digestive enzymes, and all raw fruits and vegetables are packed with them.
The wonderful part is that these foods provide almost all the enzymes the body needs to digest them. In fact, the enzymes contained in raw food actually digest up to 75% of that food themselves.
This is essential "energy conservation", because, when our food does not contain enzymes needed for digestion, the body is forced to supply them itself. To do so, it draws on enzyme reserves from all the vital organs and tissues, and this causes a metabolic deficit.
Unfortunately, enzymes can only be found in RAW foods, as they are unable to withstand hot temperatures such as those used in cooking. Consequently, enzymes are completely destroyed in all foods that are canned, pasteurised, baked, roasted, stewed or fried.
Because the body needs enzymes to digest food, if there are none contained in the food, it will be forced to "borrow" them from it's own endogenous store. If food is not properly digested, it can putrefy in the gut, and become rancid and toxic.
The metabolic enzymes - responsible for so many vital functions - are not only taken away from their roles, but they must also be converted to digestive enzymes, all of which takes energy and resources away from the body.
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