Managing Blood Sugar with Ancient Grains: The Case for Spelt and Kamut

For individuals living with diabetes, every meal presents a decision that directly influences blood glucose levels. Carbohydrates, especially those from refined grains, can cause rapid spikes, making careful selection and preparation essential. While modern wheat varieties dominate supermarket shelves, a growing body of research and clinical experience points to ancient grains like spelt and kamut as superior alternatives. These grains are not only more nutrient-dense but also tend to produce a gentler glycemic response, offering a practical, flavorful way to support long-term blood sugar control. This article examines the science behind spelt and kamut, compares them to conventional wheat, and provides actionable strategies for incorporating them into a diabetes-friendly diet.

Understanding Diabetes and Blood Sugar Control

Diabetes is a chronic condition characterized by the body's inability to effectively regulate blood glucose. In type 1 diabetes, the pancreas produces little or no insulin. In type 2 diabetes, cells become resistant to insulin, and the pancreas may not keep up with demand. In both cases, managing carbohydrate intake is critical because carbohydrates are broken down into glucose, which enters the bloodstream.

The glycemic index (GI) ranks foods on how quickly they raise blood sugar. High-GI foods cause rapid spikes, while low-GI foods produce a slower, more gradual increase. The glycemic load (GL) takes portion size into account and is often considered a more practical measure. For optimal blood sugar control, nutrition experts recommend prioritizing low-GI, high-fiber carbohydrate sources. This is where spelt and kamut shine.

The Role of Grains in a Diabetes Diet

Grains are a fundamental source of energy, vitamins, and minerals, but not all grains are created equal. Whole grains contain the entire kernel — bran, germ, and endosperm — which provides fiber, healthy fats, and antioxidants. Refined grains strip away the bran and germ, leaving mostly starch that is rapidly absorbed.

For people with diabetes, whole grains are generally preferred over refined ones. However, even among whole grains, there are differences in how they affect blood sugar. The structure of starch, the type and amount of fiber, and the presence of certain proteins and minerals all influence glycemic impact. Spelt and kamut, as less-processed, ancient relatives of modern wheat, offer unique advantages that make them particularly suitable for blood sugar management.

Modern Wheat: A Closer Look

The wheat commonly used in bread, pasta, and baked goods is Triticum aestivum, a hybridized version developed for high yields and easy processing. Modern wheat has been bred to contain higher gluten content, which gives dough elasticity but also contributes to digestive issues for some individuals. Moreover, many modern wheat products are highly refined — think white bread, pastries, and fast-food buns — which dramatically raises their glycemic impact.

It is important to distinguish between whole-grain modern wheat and refined wheat. Even whole-grain modern wheat can have a moderate glycemic index, but its overall effect is blunted somewhat by fiber. Still, ancient grains like spelt and kamut often outperform their modern counterpart in terms of nutrient density and blood sugar response.

What Are Spelt and Kamut?

Spelt (Triticum spelta)

Spelt is an ancient grain that was widely cultivated in Europe for thousands of years before being largely replaced by higher-yielding modern wheat. It has a tough, protective husk that helps retain nutrients and provides a nutty, slightly sweet flavor. Spelt is available as whole berries, flakes, and flour. It is higher in protein and fiber than common wheat, and it contains more iron, magnesium, and phosphorus.

Kamut (Triticum turgidum ssp. turanicum)

Kamut is a trademarked brand name for Khorasan wheat, an ancient grain with origins in Mesopotamia. It is about twice the size of modern wheat kernels and has a rich, buttery flavor. Kamut is particularly high in selenium, a mineral important for thyroid function and antioxidant defense. Like spelt, it is typically grown organically and is often better tolerated by people with sensitivities to modern wheat.

Nutritional Comparison: Spelt, Kamut, and Modern Wheat

A 100-gram serving of whole-grain spelt flour contains approximately: 75 grams carbohydrates, 14 grams protein, 10 grams fiber, and 3 grams fat. The same amount of kamut flour offers roughly 70 grams carbs, 16 grams protein, 11 grams fiber, and 3 grams fat. For comparison, whole-wheat flour (modern) has about 72 grams carbs, 13 grams protein, 11 grams fiber, and 2 grams fat. While the macronutrient profiles are similar, the quality of nutrients and the starch structure differ.

  • Higher mineral density: Spelt and kamut are richer in magnesium, zinc, and selenium compared to common wheat. Magnesium is especially relevant for diabetes management, as it improves insulin sensitivity.
  • Unique starch composition: Ancient grains contain more resistant starch, which resists digestion in the small intestine and ferments in the large intestine, producing short-chain fatty acids that support metabolic health.
  • Lower phytate content: While all grains contain phytic acid (an antinutrient), traditional processing methods like sprouting or sourdough fermentation can reduce it, making minerals more bioavailable.

Glycemic Index and Load of Spelt and Kamut

Multiple studies have examined the glycemic response of spelt and kamut. A 2005 study published in Diabetes Care found that kamut-based products produced a significantly lower glucose and insulin response compared to modern whole-wheat products. Similarly, research on spelt breads indicates a GI score in the 40–50 range, which is lower than the 70+ score typical of white bread and lower than many whole-wheat breads (which range from 55 to 65).

Factors influencing GI include kernel size, fiber content, and the ratio of amylose to amylopectin starch. Amylose is a linear starch molecule that digests more slowly, and kamut, in particular, has a higher amylose content than modern wheat. Additionally, the thick bran layer in spelt helps slow enzymatic breakdown.

Benefits of Spelt for Blood Sugar Control

Spelt's high fiber content is its primary advantage for glucose regulation. Soluble fiber forms a gel-like substance in the gut that slows carbohydrate absorption and reduces post-meal blood sugar spikes. Insoluble fiber adds bulk and supports regular bowel movements, which is beneficial for overall metabolic health.

Spelt also contains compounds called alkylresorcinols, which have been shown to improve glucose metabolism and reduce inflammation. A 2018 study in the Journal of Nutrition found that higher alkylresorcinol intakes were associated with lower fasting glucose and insulin levels.

Practical note: Because spelt has a weaker gluten network than modern wheat, it may produce denser baked goods. However, it works beautifully in pancakes, muffins, cookies, and flatbreads. Using spelt flour in combination with other flours can also improve texture.

Benefits of Kamut for Blood Sugar Control

Kamut's standout feature is its selenium content. Selenium is a cofactor for selenoproteins that regulate oxidative stress and thyroid function. Oxidative stress is elevated in diabetes, contributing to insulin resistance and complications. A diet rich in selenium from whole foods like kamut can support the body's antioxidant defenses.

A landmark study from the University of Florence, published in the European Journal of Clinical Nutrition (2013), compared the effects of kamut-based products to modern wheat products in patients with metabolic syndrome. After 12 weeks, the kamut group showed significant reductions in total cholesterol, LDL cholesterol, fasting blood glucose, and inflammatory markers (TNF-α, IL-6). The researchers attributed these benefits to both the grain's nutrient profile and its lower glycemic impact.

Kamut also contains high levels of lutein, an antioxidant carotenoid that supports eye health — a common concern for diabetics. Its robust, nutty flavor makes kamut flour an excellent choice for pasta, savory crackers, and rustic breads.

How to Incorporate Spelt and Kamut into Your Diet

Transitioning to ancient grains does not require a complete overhaul of your diet. Simple substitutions can yield significant benefits.

Baking Substitutions

  • Replace up to 50% of white or whole-wheat flour with spelt flour in most recipes. For best results, reduce liquid slightly (spelt absorbs less water).
  • Use kamut flour in pasta dough. Homemade kamut pasta is lower in GI and higher in protein than standard semolina pasta.
  • Try sprouted spelt or kamut flour for even lower glycemic impact and improved mineral absorption.

Whole Grain Uses

  • Cooked spelt berries or kamut berries make a hearty base for grain bowls, salads, or soups. Simmer 1 cup of berries with 3 cups of water for 45–60 minutes. The nutty texture pairs well with roasted vegetables and lean proteins.
  • Add cooked grains to salads instead of croutons or barley. A kamut salad with cucumber, cherry tomatoes, feta, and a lemon-tahini dressing is refreshing and blood sugar-friendly.
  • Use as a hot breakfast cereal. Grind spelt or kamut in a blender to create a coarse meal, then cook with water or milk. Top with nuts, seeds, and berries for a balanced meal.

Portion Considerations

Even healthy grains must be consumed in appropriate portions. A serving of cooked grains is about ½ cup (125 ml), which provides roughly 15 grams of carbohydrates. Pair grains with protein (eggs, chicken, tofu) and healthy fats (avocado, olive oil) to further slow digestion and stabilize blood sugar.

Potential Considerations and Allergies

Spelt and kamut contain gluten, though the structure is different from modern wheat gluten. Some people with non-celiac gluten sensitivity (NCGS) report tolerating these ancient grains better, but they are not safe for individuals with celiac disease. Anyone with celiac disease must avoid all forms of wheat, spelt, and kamut and choose certified gluten-free grains like quinoa, buckwheat, or millet instead.

For individuals with diabetes who are also managing celiac disease or gluten sensitivity, alternative low-GI gluten-free grains include amaranth, teff, and sorghum. These grains also offer solid nutritional profiles and can be used in similar ways.

Another consideration is that ancient grains are often more expensive than modern wheat. However, they can be purchased in bulk online or at health food stores, and because of their nutrient density, a little goes a long way.

Research and Scientific Support

Several studies support the role of ancient grains in diabetes management. A 2017 systematic review in Nutrients examined clinical trials on ancient grains (spelt, kamut, emmer, einkorn) and concluded that they were associated with improved glycemic control and reduced cardiovascular risk factors compared to refined grains. The review noted that fiber content, antioxidant activity, and mineral composition were key drivers of these benefits.

Another notable study from the University of Parma (2015) showed that kamut bread increased satiety and reduced subsequent calorie intake more than bread made from modern wheat — an important effect for weight management in type 2 diabetes.

For those interested in reading the original research, these sources are available:

Practical Tips for Shopping and Storage

When buying spelt or kamut, look for whole-grain versions — either whole berries or whole-grain flour. "Spelt flour" in stores is sometimes refined; check the label to ensure it says whole-grain. Kamut is always sold as whole grain because of trademark restrictions.

Store whole grains in a cool, dark place for up to six months, or refrigerate/freeze for longer shelf life. Whole-grain flours are more perishable due to the natural oils in the germ; keep them in the refrigerator or freezer and use within three months.

Conclusion

Spelt and kamut are not magic bullets for diabetes, but they are powerful tools in a well-rounded dietary strategy. Their lower glycemic index, higher fiber and mineral content, and beneficial effects on inflammation and satiety make them superior alternatives to modern wheat for many people with type 2 diabetes or prediabetes. By substituting these ancient grains for refined wheat products — while still controlling portions and pairing them with protein and fat — individuals can enjoy satisfying meals that support steady blood sugar levels.

As with any dietary change, it is important to monitor individual responses. Blood glucose monitoring before and after introducing new foods can provide personalized insights. Working with a registered dietitian or certified diabetes care and education specialist can help tailor an eating plan that incorporates these grains safely and effectively. With mindful attention, spelt and kamut can be delicious, nourishing staples that contribute to better metabolic health and a more joyful relationship with food.