Am I Eating Too Much Sugar? (And Are All Sugars the Same?)
It’s packed into everything—puddings, condiments, breakfast cereals, bread—you name it, and chances are sugar has been added to it. Why? Because it improves flavour, texture, and colour; it helps to preserve foods and makes them more shelf stable; and because it’s cheap and highly addictive meaning more repeat sales. If you’ve ever wondered if you’re eating too much sugar, just look at the ingredients and nutrition labels of the foods you’re eating throughout the day, and you will likely be surprised at what you discover. But what are the impacts of eating too much sugar, and are all sugars the same? We will explore these questions and more in this exposé on the hard truth about sugar.
The Health Effects of Eating Too Much Sugar: What You Need to Know
It’s sweet and makes food taste amazing, but the hard truth is that sugar is an insidious poison with both short and long-term health impacts. Let’s look at just a few:
Short-Term Effects
Energy Spikes & Crashes
Most of us are well aware of refined sugar’s ability to give us a temporary energy boost. We’ve seen children running around on a sugar high only to crash an hour or two later, sometimes with cranky, irritable behaviour.
Adults are no exception! We might not bounce off the walls like kids, but we definitely experience the rollercoaster of a sugar high—and the inevitable crash. Refined sugar is rapidly broken down into glucose, which causes a quick spike in blood sugar levels. In response, the pancreas releases insulin to shuttle that glucose into our cells for energy. This sudden surge can leave us feeling temporarily alert and energized—but it’s often followed by an energy dip that can leave us drained.
But because the sugar was absorbed so quickly, the body may respond by releasing too much insulin, which can cause blood sugar to drop too low afterwards. This may cause us to feel tired, sluggish, irritable, moody, and even hungry again.
If you’re eating high sugar foods throughout the day, a cycle of spikes and crashes can occur, leading to energy swings, burnouts and cravings.
Mood Swings
As mentioned, consuming too much sugar can cause significant mood swings. A rapid spike in blood sugar sets off a cascade of effects—disrupting brain chemistry, hormonal balance, and energy levels—all of which influence how we feel emotionally.
Most of us have experienced the crash that follows a sugar high: irritability, fatigue, even a sense of sadness. This isn’t just in our heads. Excess sugar can fuel chronic inflammation, a known contributor to conditions like depression and anxiety. It also disrupts the gut microbiome, which is key to producing serotonin—the “feel-good” neurotransmitter largely made in the gut. When gut health suffers, our mental health often follows.
Increased Cravings
Serotonin isn’t the only neurotransmitter impacted by sugar. Dopamine, another feel-good chemical in the brain’s reward centre, is released when sugar is consumed. Interestingly, this is the same response activated by addictive substances, making us feel comforted and happy.
However, our tolerance to sugar builds over time with regular use, and our brains need more sugar to get the same euphoric feeling. This leads to cravings and an increased desire for more sugar.
Furthermore, since regular sugar consumption results in our bodies releasing more insulin, our cells may become insulin resistant (less sensitive to insulin). This interferes with the hormone leptin that tells our brains we’re full. We become unsatiated and crave quick sources of energy like sugar.
Long-term Effects
As bad as the short-term effects may be, long-term sugar consumption can be worse.
Weight Gain and Obesity
High sugar foods tend to be calorie-dense and nutrient-poor. This can lead to overeating as the body is not satisfied. Excess sugar is then stored as fat, leading to weight gain and possibly obesity over time.
Increased Risk of Type 2 Diabetes
Remember how regular sugar consumption can lead to insulin resistance? When cells do not respond to insulin as they should, glucose doesn’t move into cells as it should, and blood glucose levels can rise. This increases the risk of type 2 diabetes. And because sugar can lead to weight gain, a precursor to type 2 diabetes, the risk is compounded.
Heart Disease
A diet high in refined sugar not only contributes to weight gain and insulin resistance, both of which are risk factors for heart disease, but it also promotes inflammation and high blood pressure. Inflammation is a key factor in the development of atherosclerosis, which can lead to heart attacks and strokes.
Chronic Inflammation
A high-sugar diet fuels chronic inflammation due to its role in causing gut imbalances, oxidative stress, and blood sugar spikes. Over time, chronic inflammation can lead to a host of diseases, including arthritis, heart disease, type 2 diabetes, and even cancer.
Cancer
While a high sugar diet does not cause cancer directly, it does create the conditions in which cancer loves to grow. First, refined sugar is acid-forming, which means the byproducts of metabolizing it are acidic. This means that regular consumption can contribute to an acidic environment in the body, which allows diseases such as cancer to flourish.
Second, a high sugar diet can lead to chronic inflammation, which we’ve discovered increases the risk of developing cancer.
Lastly, excessive sugar consumption triggers sharp increases in blood glucose, prompting a surge in insulin levels—conditions that may contribute to the development of certain cancers, including colon, breast, and pancreatic.
How Much Sugar Is Too Much?
Now that we understand the dangers of a high sugar diet, let’s look at how much sugar is considered too much.
Recommended Daily Limits
The World Health Organization suggests limiting added sugar to less than 10% of total daily calories, but less than 5% for greater health benefits.1 Likewise, the American Heart Association recommends that added sugars should comprise no more than 6% of total daily calories.2
So what does this look like in real terms? The average North American woman consumes between 1800 – 2200 calories a day. This means that less than 200 calories (50 grams) of added sugar should be eaten on the high end, but less than 100 calories (25 grams) on the low end.
What Is Added Sugar?
Added sugar refers to any sugars or sweeteners that are added to foods or drinks during processing, preparation, or at the table—not the sugars that are naturally present in whole foods like fruit or milk. The naturally occurring sugars in whole foods should not be included when calculating daily limits.
Are All Sugars the Same?
Now that we understand that we should set limits on how much added sugar we consume, the next question you may be asking yourself is Are all sugars the same? The short answer is no. Let’s look at why:
Naturally Occurring Sugars
Naturally occurring sugars are those that are naturally found in foods like fruit, milk, grains, dates, honey, maple syrup, and even carrots and beets. When in their natural packaging, which often contains fibre, protein, and/or fats, their release into the bloodstream is slower. When not extracted and highly processed, these types of sugars provide nutrients our bodies need, and are healthy if eaten in moderation. Note: Maple syrup is minimally processed and contains natural minerals, while unpasteurized honey offers antioxidants and antibacterial properties.
Refined Sugars
Refined sugars, such as white sugar, brown sugar, high fructose corn syrup, and invert sugar are essentially non-nutritive substances, meaning they don’t offer any nutritional benefits other than energy from the calories they provide (brown sugar has trace amounts of some nutrients, but is nutritionally similar to white sugar). These sweeteners spike blood sugar and have other negative health impacts, as previously discussed.
Sweetener Nutritional Comparison Chart
| Sweetener | Natural Origin? | Processing Level | Trace Nutrients | Unique Nutritional Benefits |
|---|---|---|---|---|
| White Sugar | ❌ (Highly refined) | 🧪 Highly processed | None | Pure energy, no nutritional value (“empty calories”) |
| Brown Sugar | ❌ (Refined + molasses) | 🧪 Moderately processed | Small amounts of calcium, iron, potassium | Slightly more minerals than white sugar due to molasses |
| High Fructose Corn Syrup | ❌ (Synthetic) | 🧪 Highly processed | None | Cheap and shelf-stable, but no health benefits |
| Maple Syrup | ✅ (Tree sap) | 🔧 Minimally processed | Manganese, zinc, calcium, antioxidants | Natural antioxidants and minerals; may support immune function |
| Honey | ✅ (Bee-derived) | 🔧 Minimally processed | Antioxidants, enzymes, small amounts of vitamins and minerals | Natural antibacterial and antimicrobial properties |
| Coconut Sugar | ✅ (Coconut palm sap) | 🔧 Minimally processed | Iron, zinc, calcium, potassium, inulin | Contains inulin (a prebiotic fiber); lower impact on blood sugar |
Hidden Sources of Sugar
The sad truth is that many of the foods and drinks we are accustomed to eating and drinking are laden with hidden sugar. Here are just a few:
- Processed foods
- Sauces, dressings, cereals, granola bars – think ketchup, salad dressings, and nearly every cereal
- “Healthy” snacks – low-fat yogurt and protein bars
- Soups and broths – particularly tomato or canned varieties
- Breads and tortillas – even whole wheat or multigrain types
- Nut butters – some brands add sugar for taste and texture
- Fruit juices and smoothies – even 100% juice has natural sugar, but many add more
- Flavoured waters – “vitamin-enhanced” drinks can be sugar traps
- Plant milks – almond, oat, soy milks often have added sweeteners unless labelled “unsweetened”
- Coffee and tea drinks – bottled or café-made versions often have syrups, sweetened creamers, or flavoured powders
- Trail mix – especially with dried fruit, yogurt chips, or candied nuts
- Veggie chips or crackers – marketed as healthy but often include sweeteners
As a general guideline, choose whole foods in their natural or minimally processed state whenever possible. Highly processed products are often hidden sources of added sugars—even in items that don’t taste sweet. To avoid unwanted sugar, limit processed foods and make a habit of reading ingredient labels carefully. The fewer ingredients (and the closer they are to their natural form), the better for your health.
Look for These Names on Labels
Sugar hides under many names, including:
- Brown rice syrup
- Sucrose
- Glucose
- Fructose
- Maltose
- Cane juice
- Cane syrup
- High-fructose corn syrup
- Maltodextrin
- Dextrose syrup
Glycemic Impact
Glycemic impact is the overall effect a food has on your blood sugar after it’s digested. It’s based on two main ideas:
1. Glycemic Index (GI)
- A score (0–100) that ranks how fast a carbohydrate-containing food spikes your blood sugar.
- High GI (70+): Causes a fast, large spike (e.g., white bread, sugary drinks)
- Medium GI (56–69): Moderate rise (e.g., whole wheat bread, brown rice)
- Low GI (0–55): Slow, steady rise (e.g., oats, lentils, apples)
2. Glycemic Load (GL)
- Takes both how fast (GI) and how much sugar a food contains into account.
- Formula:
🧮 GL = (GI × grams of carbs per serving) ÷ 100
So, a food might have a high GI, but a low glycemic load if you eat only a small amount.
Why It Matters:
Foods with a high glycemic impact can cause:
- Rapid blood sugar spikes → followed by crashes → leading to fatigue, irritability, and cravings
- Strain on insulin response
- Increased risk for weight gain, type 2 diabetes, and inflammation over time
Foods with a low glycemic impact:
- Provide more stable energy
- Help with appetite control and mood
- Are generally better for metabolic and hormonal balance
Glycemic Comparison of Common Foods & Sweeteners
| Food/Sweetener | Glycemic Index (GI) | Glycemic Load (GL) (per 10g serving) | Glycemic Impact |
|---|---|---|---|
| White Bread | 75 | 10–12 | High |
| Apple | 36 | 3 | Low |
| Brown Rice | 68 | 16 | Moderate |
| Chickpeas | 28 | 3 | Low |
| White Sugar (Table Sugar) | 65 | 6.5 | Moderate–High |
| Brown Sugar | 64 | 6.4 | Moderate–High |
| Coconut Sugar | 54 | ~3.5 | Moderate |
| Agave Nectar | 15 | ~1.5 | Low |
| Dates (Deglet Noor) | 42 | 12 | Moderate |
| Maple Syrup | 54 | 5 | Moderate |
| Honey | 58 | 5.8 | Moderate |
| High-Fructose Corn Syrup | 58–62 | 6–6.2 | Moderate–High |
If you’re trying to reduce sugar cravings, manage weight, or balance hormones, aiming for low to moderate glycemic impact foods is generally recommended.
How to Reduce Your Sugar Intake (Without Feeling Deprived)
If you’re feeling motivated to reduce your added sugar intake, but you’re worried about feeling deprived, there are some healthy ways to have your cake and eat it, too!
Sweeteners & Baking
| Instead of… | Try This… | Why It Works |
|---|---|---|
| White or brown sugar in baking | Mashed banana, unsweetened applesauce, or pureed dates | Flavour without sugar or with zero-calorie alternatives |
| Syrups in coffee/tea | Cinnamon, vanilla extract, or stevia/monk fruit | Flavor without sugar or with zero-calorie alternatives |
| Frosting or icing | Unsweetened yogurt + vanilla + fruit | Tangy, creamy, and no added sugar |
| Sweetened nut butters | Natural unsweetened peanut or almond butter | Just nuts – no added sugars or oils |
Breakfast & Snacks
| Instead of… | Try This… | Why It Works |
|---|---|---|
| Flavoured yogurt | Plain yogurt + fresh/frozen fruit | Control sweetness naturally |
| Granola bars | Homemade oat bars with dates, nuts, seeds | No added sugars, customizable |
| Sweetened cereal | Keeps fibre, cuts sugar | Naturally sweet and fibre-rich |
| Fruit snacks | Fresh fruit or dried fruit (no added sugar) | Naturally sweet and fiber-rich |
Spreads & Condiments
| Instead of… | Try This… | Why It Works |
|---|---|---|
| Jam or jelly | Mashed berries or chia jam | Fewer ingredients, no refined sugars |
| Ketchup | Homemade ketchup or reduced-sugar versions | Store-bought versions often contain lots of sugar |
| Sweet salad dressings | Olive oil + vinegar + lemon or mustard | Bold flavour, no sugary glaze |
| BBQ sauce | Spice rubs or tomato paste + spices | Bold flavor, no sugary glaze |
Drinks
| Instead of… | Try This… | Why It Works |
|---|---|---|
| Soda or sweet iced tea | Sparkling water with lemon/lime or berries | Fizzy, flavorful, sugar-free |
| Juice | Infused water or herbal tea | Hydrating and flavorful |
| Store-bought smoothies | Homemade smoothie with no added juice | Use whole fruits + water or milk for natural sweetness |
One of my favourite ways to cut back on added sugar is by making my own desserts/treats with natural sugars such as dates, maple syrup, and honey. My kids LOVE my desserts and never feel deprived.
Remember that even natural sugars should be eaten in moderation. Begin to cut back on how many treats you eat, and in time, your palate will adjust.
Choose water and unsweetened herbal tea as often as possible. Natural sweeteners should be consumed with fibre, protein, and fats to stabilize blood sugar.
Diabetic Options
Even natural sweeteners raise blood sugar levels, but some natural sweeteners contain zero calories and have no impact on blood sugar:
Stevia
What it is:
Stevia is a natural, zero-calorie sweetener derived from the leaves of the Stevia rebaudiana plant. It’s 200–300 times sweeter than sugar, so only a tiny amount is needed.
Pros:
- Doesn’t raise blood sugar or insulin levels
- Safe for diabetics and low-carb diets
- Heat-stable (great for cooking and baking)
Best used in:
- Hot drinks like tea and coffee
- Smoothies and yogurt
- Baked goods (check ratios carefully; some blends include fillers to mimic sugar volume)
- Sauces or dressings where you want sweetness without calories
Tip: Some people detect a slightly bitter or licorice-like aftertaste, especially in pure stevia extracts. Blended products (like stevia + erythritol) often have a smoother flavour.
Monk Fruit
What it is:
Monk fruit (also called luo han guo) is a small melon native to Southeast Asia. Its sweetness comes from compounds called mogrosides, which are naturally calorie-free and 150–250 times sweeter than sugar.
Pros:
- No calories or carbs
- No effect on blood sugar
- Often less bitter than stevia
- Rich in antioxidants (mogrosides)
Best used in:
- Baking (especially when blended with erythritol or allulose for better texture)
- Beverages (coffee, tea, lemonade)
- Puddings, custards, or chia seed desserts
- Fruit-based sauces or glazes
Tip: Pure monk fruit is very sweet and often sold in blends with other natural sweeteners to make it easier to measure and use like sugar.
Monk fruit sweetener can be found in many grocery and health food stores. You can also find it on Amazon.
Final Thoughts
Learning to differentiate sugars can help you make healthier choices. My rule of thumb is to eat for health first and taste second. That doesn’t mean you have to deprive yourself–on the contrary, there are so many options you can choose from that taste just as good or better than refined sugar, and that nourish rather than harm!
Remember to eat whole foods as often as possible, read labels before eating processed foods, and get into the habit of prepping your own meals and snacks ahead of time.
With a little mindfulness and planning, you can improve your health for the better!
Looking for refined sugar-free recipes you can make at home? Check out the Refined Sugar-Free Recipes section!
- World Health Organization (2015, March 4). WHO calls on countries to reduce sugars intake among adults and children. Retrieved July 16, 2025, from https://www.who.int/news/item/04-03-2015-who-calls-on-countries-to-reduce-sugars-intake-among-adults-and-children?utm_source=chatgpt.com ↩︎
- American Heart Association (2024, August 2). Added Sugars. Retrieved July 16, 2025, from https://www.heart.org/en/healthy-living/healthy-eating/eat-smart/sugar/added-sugars?utm_source=chatgpt.com ↩︎