Is it true that toasted bread has less carbohydrates? [Nutrients & Calories]

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I’ve been learning a lot lately about the nutritional properties of various meals, and although I have an abnormal hunger for bread, I know it’s heavy in carbohydrates.

Yet, since I like toasted bread, I was curious if toasted bread contains fewer carbohydrates than fresh bread.

So I checked through various research and this is what I discovered.

So, does toasted bread contain less carbohydrates?

Toasting bread, according to Julie Manusco, a licensed nutritionist, does not diminish its total carbohydrates (carbs).

Thus, NO, toast does not contain less carbohydrates.

Data from the United States Department of Agriculture also corroborated this (USDA).

I was wondering if there were any techniques to lessen the number of carbohydrates in bread, as well as what happens to the nutrients in bread when it is toasted.

Please keep reading to find out the answers to these questions, as well as other useful facts regarding toasted vs fresh bread.

What Happens To The Nutrients In Bread When You Toast It?

While toasting fresh bread:

  • Its carbohydrate content remains constant.
  • It has a lower glycemic index.
  • Its calories stay constant.

According to this scientific research, freezing and defrosting bread decreases its glycemic index.

Recently, I discovered some fascinating USDA statistics.

Here’s a table that compares fresh rye bread versus toasted rye bread side by side.

Properties Fresh Rye Bread 3.5 oz (100 g) Toasted Rye Bread 3.5 oz (100 g)
Water (g) 31.1 37.3
Energy (kcal) – calories 285 259
Protein (g) 9.34 8.5
Total lipid (fat) (g) 3.63 3.3
Carbohydrates (g) 53.08 48.3
Fiber, total dietary (g) 6.4 5.8
Sugars, total including NLEA (g) 4.23 3.85
Calcium, Ca (mg) 80 73
Iron, Fe (mg) 3.11 2.83
Magnesium, Mg (mg) 44 40
Phosphorus, P (mg) 137 125
Potassium, K (mg) 182 166
Sodium, Na (mg) 663 603
Zinc, Zn (mg) 1.25 1.14
Copper, Cu (mg) 0.204 0.186
Selenium, Se (µg) 34 30.9
Vitamin C, total ascorbic acid (mg) 0.4 0.4
Thiamin (mg) 0.382 0.434
Riboflavin (mg) 0.368 0.335
Niacin (mg) 4.181 3.805
Vitamin B-6 (mg) 0.082 0.075
Folate, total (µg) 103 110
Folic acid (µg) 55 59
Folate, food (µg) 48 51
Folate, DFE (µg) 141 151
Choline, total (mg) 16 14.6
Carotene, beta (µg) 4 4
Cryptoxanthin, beta (µg) 1 1
Lutein + zeaxanthin (µg) 56 54
Vitamin E (alpha-tocopherol) (mg) 0.36 0.33
Vitamin K (phylloquinone) (µg) 1.3 1.2
Fatty acids, total saturated (g) 0.688 0.626
Fatty acids, total monounsaturated (g) 1.441 1.311
Fatty acids, total polyunsaturated (g) 0.878 0.799

As can be seen from the various nutritious values presented above when comparing fresh and toasted bread, some rise while others decrease.

Thiamin, for example, rises as calcium falls.

Nonetheless, they usually fluctuate by roughly 10%.

When all of the elements are balanced, the total nutritional value of the bread stays the same whether it is toasted or eaten fresh.

1. It’s carbs remain the same

Depending on your objectives, there is an optimal quantity of carbohydrates to consume in your diet.

If you want to gain weight, for example, you should consume a different proportion of carbohydrates in your diet than if you want to lose weight.

Knowing how the carbohydrates in bread alter when you toast it, freeze it, and then thaw it is critical.

Nevertheless, as seen in the table above, the difference in carbohydrate content between toasted bread and fresh bread is quite marginal.

Toasted bread has 48 grams of carbs, whereas fresh bread contains 53 grams.

Toasted bread contains 90% of the carbohydrates found in fresh bread.

It seems to be quite a lot.

Nonetheless, most dietitians would agree that eating bread at every meal is not advised.

This indicates that the overall carb decrease is fairly little as a proportion of your whole diet.

Hence, in my view, whether you toast your bread or eat it fresh makes no difference to your diet, and you should cook your bread anyway you choose.

2. It’s glycemic index lowers

According to the research, toasted bread has somewhat less sugar.

  • 4.23 grams of fresh bread
  • 3.85 grams are in toasted bread.

It means that toasted bread has 90% less sugar than fresh bread.

The glycemic index is estimated as the influence on blood sugar levels after eating bread, which may be caused by complicated chemical processes that occur throughout your body when you consume it.

In reaction to the various nutritional amounts.

3. It’s calories remain the same

Toasted bread also has somewhat fewer fiber and calories.

But, the sums are so little that, in my judgment, they will have little overall impact.

Does Toasting Bread Lower Its Glycemic Index?

Toasting lowers the glycemic index.

A thorough investigation revealed that it is much lower.

According to the research, toasting bread decreases its IAUC value, which is a measure of its glycemic index.

According to the findings, it reduced its glycemic index from 259 to 193.

Toasted bread has a glycemic index that is 74% higher than fresh bread.

Surprisingly so.

They also discovered that freezing bread and then defrosting it reduces its glycemic index much better than toasting it.

While this is beneficial, one negative is that when you thaw bread, it gets softer and may become little mushy.

This makes it more difficult to put butter or spreads on it.

The research also discovered that if bread is frozen and subsequently toasted, its IAUC value lowers from 259 to 157, a 5% reduction from merely toasting fresh bread.

Instead of freezing it first and then toasting it.

Nevertheless, one limitation is that the bread in the research was frozen and then defrosted before being toasted, which means it may take longer to make.

Because you must first allow it to defrost.

But, if you put it away the night before or eat it with another meal, such as soup, you may plan ahead and ensure that it is defrosted ahead of time.

Additionally, freezing bread keeps it fresher for longer.

When you purchase bread from the store, it is the most tasty on the first day, as well as the next day, in my view.

But, after that, it becomes pretty bland and not as tasty.

Hence, after a day or so, freezing it is an excellent alternative to keep the fresh flavor and prevent it from turning stale.

Does Toasting Bread Make It Less Healthy?

The United States Department of Agriculture (USDA) reports that toasted bread and fresh bread have nearly identical nutrients.

When you toast bread, you lose roughly 10% of its nutrients.

Other nutrients, on the other hand, increase by about 10%. So, on the whole, it’s about the same.

It does, however, drastically reduce its glycemic index by roughly 30%.

The glycemic index measures the quantity of sugar in your system after eating a certain item.

As your blood sugar levels rise, you may experience a sugar high followed by a sugar crash.

As a result, toasted bread has a more even influence on your blood sugar level, resulting in a more balanced mood.


Toasted bread has nearly the same carbohydrate content as fresh bread.

But, toasting it reduces its glycemic index significantly.

Some of the other nutrients are reduced when it is toasted, while others are increased.

But, if you are weak in a certain nutrient, consult the chart at the beginning of this article to determine whether you should consume toasted bread or fresh bread.

Instead, there are a variety of supplements available depending on blood test results to help you attain optimal nutritional levels in your body.


Does toasting bread reduce calories or carbs?

Toasted bread, on the other hand, just takes the water from the bread and not the nutrients, therefore it has no effect on the calorie content of the slice of bread before toasting.

Does bread have less carbs when toasted?

Similarly, toasting bread has no influence on the carbohydrate content. Sadly, whether toasted or plain, bread should be avoided if you’re following a rigorous keto diet.

Does bread have less calories if you toast it?

“Toasting bread has no effect on the bread’s composition. Unfortunately, it does not lower the calorie content. Nevertheless, it may alter the taste!”

Does toasting bread lose nutrients?

There is a common misconception that toasting bread destroys nutrition. This is incorrect.

Which is healthier toasted or untoasted bread?

Toasting bread reduces the quantity of fat in a toast as well. Despite the fat content of the bread will not be greatly reduced, it will make a difference if you consume bread every day. Weight watchers should choose toasted bread over raw bread.

Is it better to toast bread or not?

So, is toast nutritious? Toast is just a form of carbohydrate that may be included in any well-balanced, nutritious diet. Additionally, toasting whole grain bread increases its nutritious density by adding extra fiber, protein, vitamins, and minerals.

Can I have a slice of toast on a low carb diet?

Hence, for a low-carb diet, you should consume fewer than 120-130 grams of carbohydrates per day, or less than 50 grams for a ketogenic diet. You might consume some bread since it has 20 grams of carbs.

Can I eat toast on a low carb diet?

Most breads and grains contain too many carbohydrates to be included on a low carb diet.

Does toast count as carbs?

1 medium piece of toast, white bread with butter has 13.9g total carbohydrates, 13.1g net carbs, 4.1g fat, 2.5g protein, and 103 calories.

Can I eat toast and still lose weight?

Absolutely, you may consume bread while dieting.

There is no need to exclude it entirely from your diet. To minimize overconsumption, limit your bread consumption to 25% of your plate and pair it with veggies. The key to reducing weight is to consume less calories than you burn throughout the day.

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