The ketogenic diet, or "keto," is a high-fat, low-carb way of eating that shifts your body into a fat-burning state called ketosis. In ketosis, your body taps into fat reserves for energy rather than relying on carbohydrates. Sugar, in all its processed forms, lurks in more foods than most people realize, making it crucial to understand which sweeteners are keto-friendly and which are not.
Understanding the Keto Diet and Sugar
On the keto diet, you generally need to keep your daily carbohydrate intake to 20-50 grams. If your carb count exceeds this range, your body won’t be able to use fat for energy effectively. This makes sugar a primary concern, as it can quickly derail ketosis.
Hidden Sugars: A Keto Diet's Nemesis
Sugar consumption is ubiquitous in the diet, even in seemingly nutritious foods. These "hidden sugars" can be hard to identify without reading labels. Items like pasta sauce, salad dressings, breads, rice, and noodles might not necessarily seem like desserts, but they contain carbohydrates (dietary sugars).
To combat hidden sugars:
- Read Nutrition Labels: Always check the labels on packaged foods for the carbohydrate and sugar content. Remember that sugar can come in other forms and names, including sucrose, fructose, corn syrup, and dextrose.
- Watch Out for Low-Fat Products: Many low-fat products have a "health halo" effect, but manufacturers might add more sugar to keep up the delicious taste. Full-fat versions of foods are often more likely to be keto-friendly.
- Cut Back on Processed Foods: The more whole a food is, the less likely it will contain hidden sugar. The closer a food is to its natural state (e.g., an apple versus apple sauce versus apple pie), the healthier it will generally be.
Cane Sugar: A Keto Diet No-Go
Cane sugar, a common sweetening agent, is not considered keto-friendly. This evaluation is grounded in its nutritional makeup. Cane sugar packs a whopping 99.6g of carbs per 100g, which takes up almost the entire daily carbohydrate limit for someone following a standard ketogenic diet. Even a minimal typical serving size of cane sugar, say about 2g, contains 1.99g of net carbs. This could be a substantial amount considering the limited daily carb intake allowed on a ketogenic diet.
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Nutritional Profile of Cane Sugar
In a 100g portion, cane sugar is primarily composed of carbohydrates, specifically 99.6g. This is a substantial amount, making it a highly concentrated source of energy, with a total of 401.0kcal.
As for micronutrients, cane sugar offers a sprinkling of several essential minerals:
- Sodium: 1.0mg
- Potassium: 2.0mg
- Calcium: 1.0mg
- Copper: 0.01mg
- Iron: 0.05mg
- Selenium: 0.6ug
- Zinc: 0.01mg
- Riboflavin
While these micronutrients contribute minutely to meeting daily needs, the high carbohydrate content makes cane sugar unsuitable for a ketogenic diet.
Glycemic Index of Cane Sugar
The glycemic index (GI) is a ranking system for carbohydrates based on how they influence blood glucose levels. Foods with a high glycemic index are quickly digested and absorbed, leading to rapid increases in blood sugar levels. In contrast, foods with a low glycemic index are absorbed more slowly, leading to a steadier rise in blood sugar levels. Cane sugar, owing to its high carbohydrate content, is considered to have a high glycemic index.
Keto-Friendly Sugar Alternatives
Stepping away from cane sugar does not mean you have to forgo sweetness in your diet. There are several keto-friendly natural sweeteners on the market:
Read also: The Definitive Guide to Flourless, Sugar-Free Dieting
- Stevia: A natural sweetener derived from the leaves of the Stevia rebaudiana plant. It has zero calories and zero carbs, making it a suitable alternative for cane sugar in a keto diet. Stevia is available in both liquid and powdered form and can be used to sweeten everything from drinks to desserts.
- Erythritol: Another popular choice among keto followers, Erythritol is a sugar alcohol with nearly zero calories and carbs. Erythritol is used in both baking and cooking and can be substituted for sugar in a wide variety of recipes. Keep in mind that it tends to have a cooling mouthfeel and doesn’t dissolve as well as sugar, which can leave foods with a slightly gritty texture.
- Monk Fruit Sweetener: This is a natural sweetener extracted from monk fruit. It contains zero carbs and is significantly sweeter than sugar, so less amount is required. Monk fruit extract contains no calories and no carbs, making it a great option for a ketogenic diet.
- Allulose: Allulose is a popular sugar-like low-calorie sweetener made from a monosaccharide (a simple sugar) found in small quantities in wheat and certain fruits, such as jackfruit, figs, raisins. The body doesn’t metabolize it, giving it no glycemic index or net carb content.
- Xylitol: Xylitol is another type of sugar alcohol commonly found in products like sugar-free gum, candies, and mints. The carbs in xylitol don’t count as net carbs, as they don’t raise blood sugar or insulin levels to the extent that sugar does
Other Natural Sweeteners
- Yacon syrup comes from the roots of the yacon plant, a tuber widely grown in South America. Since your body doesn’t digest a large portion of yacon syrup, it contains about half the calories of regular sugar, with just 7 calories per tsp, or 5 milliliters (mL).
Sweeteners to Avoid on Keto
While there are plenty of options for low carb sweeteners you can enjoy on a ketogenic diet, there are many others that aren’t ideal:
- Maltodextrin: This highly processed sweetener is produced from starchy plants like rice, corn, or wheat and contains the same amount of calories and carbs as regular sugar.
- Honey: High quality honey contains antioxidants and nutrients, making it a better choice than refined sugar. However, it’s still high in calories and carbs and may not be suitable for a keto diet.
- Coconut Sugar: Made from the sap of the coconut palm, coconut sugar is absorbed more slowly than regular sugar. However, it’s also high in fructose, which can contribute to impaired blood sugar control.
- Maple Syrup: Each serving of maple syrup packs a good amount of micronutrients like manganese and zinc but is also high in sugar and carbs.
- Agave Nectar: Agave nectar is about 80% fructose, which can decrease your body’s sensitivity to insulin and contribute to metabolic syndrome, making it difficult for your body to regulate blood sugar levels.
- Dates: This dried fruit is often used to sweeten desserts naturally. Despite supplying a small amount of fiber, vitamins, and minerals, dates also contain a substantial amount of carbs.
The Benefits of Cutting Sugar
Cutting your sugar intake, even if you’re simply following a low-calorie or low-carbohydrate diet, has plenty of benefits. In a keto diet, it’s a must. Fortunately, there are quite a few benefits to cutting back (or cutting out) sugar:
- Improved Weight Management: Sugar is linked to weight gain. Cutting back on sugar will almost certainly result in weight loss.
- Better Blood Sugar: If you are managing conditions like diabetes, then reducing sugar intake can help you feel good and keep your blood glucose levels consistent.
- Lower Risk of Heart Disease: Sugar is linked to an increased risk of heart disease. If you want to improve cardiovascular health, ditch the sweets.
- Enhanced Dental Health: Your dentist wasn’t lying to you. Sugar plays a big role in tooth decay. Less sugar improves dental health and lowers your risk of cavities.
- Lower Risk of Certain Types of Cancer: While studies are still looking at the connection between high-sugar diets, inflammation, and cancer, there appears to be a correlation.
- Boosting Energy Levels: You’d think that sugar would give you more energy (and it does at first), but if your energy levels are unstable, cutting sugar can help you stabilize and keep your energy levels more evenly paced.
Tips for Enjoying Sweetness on Keto
So, what do you do if you're on keto and you'd still like to enjoy your favorite carb-laden dishes?
- Use Keto-Friendly Sweeteners: There are several keto-friendly natural sweeteners on the market, like stevia, erythritol, and monk fruit. Many of these sweeteners are good for baking and for sweetening up your morning cup of coffee.
- Track Carbohydrates: Nutrition labels are your best tool for tracking carbohydrates. Measure your foods and write down your carb intake, especially at first.
- Enjoy Foods in Their Natural State: Berries are relatively low in carbohydrates but still taste like sweet snacks and are a healthy choice. For dessert, enjoy them with some whipped heavy cream.
- Modify Recipes: If you crave carbohydrates and sugar-heavy foods, consider ways to modify the recipe in a keto-friendly way. For example, avocado mousse or chia seed pudding sweetened with cinnamon.
- Don’t Deprive Yourself: If you're following keto, let go of the idea that you can't have full-fat cheese, cream, or bacon! Those are the benefits of a keto-friendly diet.
- Find Keto-Friendly Alternatives: Learning to remake the foods that you love in a keto-friendly way.
Read also: Comprehensive Guide to Sugar on Keto