Is fructose bad for you?

The contribution of fructose to human health has been controversial for ages because food contains different types of sugars and some of them are harmful to health.

Fructose is a naturally occurring sugar present in a wide variety of fruits and vegetables, including honey. We all consume fruits and vegetables for a healthy living, and as we just discussed they are rich in fructose too, now we need to give a second thought are they bad for you? Do they have the potential to harm you?

In this article we will find an answer to our question ‘’Are they bad for you’’ and what are the potential side effects. So, let us try to find an answer, but before that, we must also know a little about fructose too!

What is fructose?

It is the sweetest naturally occurring sugar, present in fruits, vegetables, and honey.

Since fructose is the sweetest available sugar, people can use it in fewer amounts for the same sweetness value as that of the common sugar.

Here comes another question in our curious minds! The presence of fructose is in what foods?

The most significant sources include-

• Honey
• Fruit juices
• Agave nectar
• Apple
• Liquorice
• Pears
• Caramel
• Dry figs
• Leeks
• Onions

Now that we know what foods are high in fructose let us figure out how and why are they bad for you but before that let’s get an answer for why we want to add fructose to our food items.

Why is fructose added to food items?

This is added as an ingredient in food items to increase the sweetness profile. This purest form of sweetener is especially added in low-calorie food items as they are used in an amount lesser than sucrose and have a lesser effect on the blood glucose level.

There are other reasons for adding this apart from sweetness, they are also the most soluble sugars so they blend perfectly in food materials.

Fructose is highly hygroscopic sugar, rich in water content hence can widely be used as a humectant (a substance that can retain moisture).  

Is fructose bad for you?

Fructose is of two types- Natural and processed.

Naturally, it is obtained from fruits and vegetables that are free from any potential side effects.

So, we can conclude that naturally, it is not bad for our health.

Is processed fructose bad for you?

Processed fructose is a synthetically manufactured sweetener that may show several side effects.

How is processed fructose bad for you?

Researchers believe that our body metabolizes its different than other types of sugars.

There are concerns that excess consumption of fructose promotes the deposition of fat in the body, especially the liver which contributes to fatty liver disease.

Excessive consumption is associated with the following side effects:

-Inflammation leading to insulin resistance

-Risk of obesity and metabolic syndrome

-Development of fat in the body

Is bad for you, if you are diabetic?

A study conducted in 2016 to find out what is fructose and its side effects, proved that people who consume drinks with this type of sugar have a higher level of insulin resistance which hardens the arteries and upsurges diabetes and heart diseases in adults.

So, answering the above question “Are they bad for you, if you are diabetic?’’

Definitely yes! People with diabetes are more prone to its side effects, hence should be avoided.

Dietary fructose side-effects

Fructose is believed to be a safer form of sugar than sucrose, especially for people with diabetes mellitus because it does not affect blood glucose levels at least when consumed in a short quantity. Then why are they bad for you, despite the benefits they show in diabetes?

Fructose has potential adverse effects on metabolism, they are a potent reducing sugar that forms toxic glycation end products. Such toxic metabolites potentiate the ageing process and contribute to the development of atherosclerosis.

It can be the main cause of symptoms in patients with diarrhoea and bowel disturbance. In addition, its side effects are also associated with obesity and liver diseases.

The extent of side-effects caused by fructose is dependent on the amount consumed in a day and individual tolerance level.

How is fructose different from sucrose?

You may be surprised to know that sugars are derived from plant products, all green plants produce sugar. Among all, sugar cane and sugar beets are the most efficient sugar-producing plants.

When we talk about sugar nutrition, there are mainly 3 types of sugars available- sucrose, glucose, and fructose.

Sucrose, commonly called ‘’table sugar’’ is a disaccharide made of glucose and fructose it is found in fruits, vegetables, and nuts. Sucrose is produced commercially from sugarcane and sugar beets.

On the other hand, this is a monosaccharide commonly called ‘’fruit sugar’’ and is present in fruits, honey, sugarcane, and sugar beets.

It is 1.5 times sweeter than table sugars, also our body processes it differently than other sugar.

Health effects of sucrose and fructose

Sugars are carbohydrates required by our body to ensure proper and smooth functioning. However, consuming more sucrose is a matter of concern as it poses risk to body functioning. A diet rich in sugar causes a risk to heart health by increasing the threat of cardiovascular diseases.

On the other hand, it causes a threat to our liver. No wonder how it manages blood sugar levels in diabetes but it has the potential to cause fatty liver disease.

Some other potential side-effects include:

• Weight gain
• Inflammation
• Hypertension

Any person consuming this who experiences any of the above side-effects should stop consumption of fructose as soon as possible and should also consult their dietician if the health condition worsens even on switching to other forms of sugar.

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