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Insulin: what it is and how it works

If you’ve often heard people talking about and referring to insulin, but have no idea what that even means, more than likely you aren’t alone. Insulin is a term that is used quite often in our society by people without them knowing the true meaning of what it actually is. Taking the time to educate yourself about insulin and how your baby uses it is important.

Here is a comprehensive guide about insulin and what it is, how it functions and how insulin truly works.

Everything about Insulin

Wondering what insulin is? Here is the breakdown of all the details of insulin and your body.

What is insulin? 

Insulin is a hormone that helps to regulate the outcome of your daily blood sugar. Many people can suffer from having too much sugar or too little sugar in their blood, which is something that insulin can actually help to regulate.

Insulin is a hormone that is regulated by the pancreas in the body and takes the sugar from carbohydrates and is able to store it and use it later as energy. 

It’s no secret that the human body needs energy each and every day to function. After each and every snack that is eaten, your body begins to then process and break down that food. Carbohydrates are specifically broken down through the digestive system where the sugars are then changed in glucose. After the carbohydrates are broken down into glucose, it’s then sent into your bloodstream. This is where it’s insulins time to shine.

Once the glucose enters the blood street, insulin takes over and basically uses that glucose as stored energy for the future. The very interesting part about the glucose being stored in your body is that it isn’t released or used until your body is actually low and needing a little bit more energy than it’s capable of producing. 

What is the function of insulin? 

In a nutshell, insulin’s main job is to create stored energy for you to use in the future. Taking glucose and turning it into something usable at a later point in time is how insulin helps your body continue to have the energy to keep running and being active each and every day. 

How does insulin work? 

While insulin does break down carbohydrates into usable energy, it also deals with helping with protein and metabolism as well. Insulin works hard to store up nutrients that your body will need in the future. 

What happens when the balance of insulin in your body gets thrown off? 

Insulin plays a key part in keeping your body active and healthy. If for some reason your insulin level is off, this can start to affect your body in a number of different ways. 


If your blood glucose level dips too low (known as hypoglycemia), this can be a result of you having a reaction to the insulin in your body. People who don’t eat a proper diet or too few calories or happen to work out too much without balancing a proper meal can develop symptoms of hypoglycemia easily. 

What are the symptoms of hypoglycemia? 

Symptoms of hypoglycemia can vary from person to person, but some of the most common symptoms include:

  • Tiredness
  • Lack of energy
  • Lack of color in the skin
  • Shaky hands
  • Brain fog/confusion

Again, these are just a few of the symptoms of hypoglycemia. There are many others to watch out for as well. If you think that you have an issue with hypoglycemia, it’s always a good idea to consult with your physician or doctor. 

If you feel like your blood sugar is low, it’s a good idea to carry along some carbohydrates to eat just in case you have an insulin reaction. Food items like sugary candy, fruit juice, or even dried fruit like raisins are great snacks that can help to level out your blood sugar. However, in stating that, if you are feeling ill or are alone and are having a reaction, it’s always a good idea to get help from a doctor as well to make sure everything else is okay. 


Hyperglycemia is opposite of hypoglycemia and means that your blood sugar is too high. This, in turn, is the cause of diabetes for millions of people. If your blood sugar is starting to get higher and higher, there could be many different reasons why this is happening. 

What are the symptoms of hyperglycemia? 

Causes of high blood sugar in your body may vary but stress and illness are two reasons that many people start to notice that their blood sugar is higher than normal.

Wondering if you have high blood sugar? Here are a few signs to be aware of so you can monitor and act quickly if your blood sugar is higher than normal.

Signs that your blood sugar is high

  • Lack of energy
  • Feeling thirsty more often
  • Frequent headaches

Again, these are just a few of the signs that your blood sugar may be high, but there are more to be aware of as well. High blood sugar is serious and should be handled with care. If you are worried or think that your blood sugar is high, talking to a doctor or physician needs to happen. 

If you fail to treat your blood sugar and let it continue to be high, there is a possibility that you could further damage your body or organs. Any symptoms or signs of high blood sugar should be treated immediately by a trained professional.

Insulin plays a huge role in your body and is a much-needed asset in helping your body function at its optimal level.

Not only does this hormone help to store energy for you for later use, but it also helps keep your blood sugar at a level that allows you to feel your best throughout the day. 

Anytime that notice any of the symptoms above, there may be a change that your body is having some sort of insulin reaction and it’s time to seek medical help. 

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The Easiest Guide to Insulin

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