There’s lots of buzz around avoiding gluten, but what is this ingredient and is it really bad for you?
Gluten is a protein found in the wheat plant and some other grains
It is naturally occurring, but it can be extracted, concentrated and added to food and other products to add protein, texture and flavour.
It also works as a binding agent to hold processed foods together and give them shape.
Though often thought of as a single compound, gluten is a collective term that refers to many different types of prolamins found in wheat, barley and rye.
The main prolamins in wheat include gliadin and glutenin, while hordein is the main one found in barley.
Gluten proteins — such as glutenin and gliadin — are highly elastic, which is why gluten-containing grains are suited for making bread and other baked goods.
Humans have digestive enzymes that help us break down food. Protease is the enzyme that helps our body process proteins, but it can’t completely break down gluten.
Undigested gluten makes its way to the small intestine. Most people can handle undigested gluten with no problems. But in some people, gluten can trigger a severe autoimmune response or other unpleasant symptoms.
An autoimmune response to gluten is called celiac disease. Celiac can damage the small intestine. Some people who don’t have celiac disease still seem to feel sick after eating foods that contain gluten. They may experience bloating, diarrhoea, headaches or skin rashes. This could be a reaction to poorly digested carbohydrates, not just gluten.
These carbs, called FODMAPS, ferment in your gut. People with sensitive guts may experience discomfort from that fermentation, not necessarily from gluten.
We, as humans, have consumed gluten for as long as people have been making bread.
Gluten found in whole grains is not bad for healthy people whose bodies can tolerate it. However, grains like wheat are often stripped down to make processed foods such as snack crackers and potato chips.
These refined products have very little resemblance to the actual wheat plant, which is highly nutritious.
Many people who adopt a gluten-free diet but still eat processed foods find they continue to have weight gain, blood sugar swings and other health issues.
So it’s not the gluten in foods that are causing their health issues, but the sugar and the fact that they are eating in a caloric surplus is the reason for weight gain and other health issues.
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