The Specific Carbohydrate Diet: A Functional Medicine Perspective | Dr. Will Cole

by health and nutrition advice journalist

The Specific Carbohydrate Diet: The Basics 

The SCD was created in the early 1900s by a physician named Dr. Sidney Haas. Interestingly, it was first created as a treatment of Celiac disease, which is an autoimmune reaction to the protein gluten, found in grains like wheat. Everything about the SCD is centered around healing the gut, including leaky gut and dysbiosis caused by Celiac disease. Essentially, this diet helps you eliminate “specific” carbs that are known to cause bacterial overgrowths, inflammation, and increased gut permeability but doesn’t require you to eliminate all carbs. That way, you can still enjoy certain carbs while you heal your gut.

The Specific Carbohydrate Diet: The Food 

Now, onto the most important question: What can you eat? The SAD allows you to eat the following major food groups: 

That’s a lot of food, right? You’ll notice that there are some foods that are often eliminated on other healthy diets, like cheeses, legumes, and honey.

Foods to Avoid on the SCD 

Research on the SCD is limited and most of what we know about the benefits of this diet is anecdotal or based on studies that have been done on specific food groups. That said, we know in functional medicine eliminating or greatly limiting certain foods like grains, legumes, dairy, and sugar — which are the main food groups you eliminate on the SCD — can benefit overall gut health. So while there are a lot of foods on the “yes” list when you’re on an SCD, there are still some food groups that are best avoided. These include: 

1. Legumes 

Many of us grew up thinking that beans were healthy or even a “magical” food. But the truth is, legumes and beans contain a protein called lectin, which is known as an “antinutrient” because it blocks the absorption of other important nutrients. Lectin is also highly indigestible by the human body, so eating legumes can cause extreme digestive distress and exacerbate existing gut conditions. Because of this, the SCD removes legumes. 

2. Grains (including gluten-free grains) 

For those with celiac disease, removing gluten-containing grains is a no brainer. But the truth is, research has shown that gluten can negatively affect and contribute to symptoms in those without gluten sensitivity, too. (I think about gluten issues of a spectrum — celiac disease is on the extreme end and gluten intolerance is the mild end.) Gluten-free grains also contain components that can damage your gut. For example, saponins (which are found in chickpeas, peanuts, and beans) are anti-nutrients that can damage your gut, leading to increased gut permeability, which can contribute to inflammation and chronic conditions.

3. Lactose

Many people don’t realize it but lactose is actually composed of two simple sugars, glucose and galactose. By eliminating high-lactose cheeses and dairy products on a SCD, you can reduce your overall carbohydrate intake in a major way. Additionally, if you have lactose intolerance, which is when you don’t make enough of the enzyme lactase to fully digest lactose, you reduce the additional stress on the gut.

4. Sugar

Regardless of the type of sugar you eat — whether it be high fructose corn syrup or organic coconut sugar — your body still recognizes it as sugar. Unfortunately, this can lead to gut bacterial dysbiosis, inflammation, and digestive issues. For this reason, the SCD cuts down on almost all forms of sugar, especially the kind that is most quickly absorbed by your body into your bloodstream. 

More research needs to be done but the SCD can be a good option for someone just starting out on their health journey, thanks to its gut-friendly characteristics and simplicity. That said, remember that no diet is right for everyone, and make sure to work closely with a functional medicine expert so they can help you identify the right diet — and the right amount of carbs! — for your individual body.

If you want to learn more about your own health case please check out our free health evaluation. We offer in person as well as phone and webcam consultations for people across the country and around the world.

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This content was originally published here.

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