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What is blood glucose in HUMAN body?

Sugar that is present in the bloodstream is known as blood glucose or blood sugar.

The body breaks down macronutrients (particularly carbs) in food and beverages to release this monosaccharide, which is the primary source of energy for the human body. Despite not being sugar sources, macronutrients like protein and fat have an impact on how our body absorbs sugars in the stomach.

Blood glucose or blood sugar, energy for the human body, like protein and fat.

When taken in excess, blood glucose that isn't utilised is converted to lipid in adipose tissue or stored as glycogen in the liver and muscles. Any macronutrient that is taken in excess might result in adipose tissue storage (fat). When your body and brain require an energy boost, a hormone in your pancreas called glucagon tells your body to access your glycogen reserves, converting the substance back to the straightforward and adaptable sugar glucose and dispersing it into the bloodstream for use in cells and tissues throughout the body.

The stabilisation of blood glucose levels after a meal—that is, levels that don't jump excessively and come down gradually—is known as blood sugar balance. Contrarily, an unhealthy blood sugar response could manifest as a sharp rise in blood glucose followed by a slight decline.

How weight and metabolism are affected by blood sugar.

What you might not be aware of is that blood sugar plays a role in a variety of bodily functions, including fueling muscle during physical activity and maintaining a strong immune system. Blood sugar is most frequently linked to a person's energy levels (physical and/or mental), but it also plays a role in other bodily functions. Both high and low blood sugar levels can result in unintended weight gain since blood sugar affects your metabolism and overall body composition.

You see, to make sure it has the resources it needs to function effectively, the human body maintains a reserve of glucose stored in the liver and muscles. But these organs can only store so much glucose, just like your phone can only store so much data. When glucose is ingested in excess of what is used, the extra is stored in fat tissue and turns into fat over time, which may cause weight gain.

What role does metabolism play in all of this then? Well, metabolism is the intricate process by which your body transforms the foods and drinks you consume (particularly those high in carbs) into glucose and then into ATP (i.e., cellular energy).

According to Ashley Jordan Ferira, Ph.D., RDN, vice president of scientific affairs at mindbodygreen, when the bloodstream is overflowing with glucose, the body prioritises dealing with it by laying down additional glycogen stores and eventually adipose, or body fat stores. Your metabolism slows down as a result of your body favouring energy preservation over calorie burning.

Your body places value on nutrients. It's the same as if someone handed me a $100 note; I would take it and stash it away. And if someone gives me five $100 bills the following day, I'll take those as well and stash them away, making my money purse bigger. Same goes for our bodies and nutrient intakes, explains Ferira.

How a strong metabolism helps maintain stable blood sugar levels.

A person is considered metabolically healthy if they "consume a balanced diet that is minimal in added sugar, stay active, and their body is able to properly digest, absorb, and utilise the food they consume," says performance dietitian and co-founder of FWDfuel Sports Nutrition Kylene Bogden, M.S., RDN, CSSD, IFNCP.

Sadly, only 12.2% of American people are metabolically healthy, according to a 2019 report.

It's a depressing number, but the good news is that it's not as difficult as it might seem to evaluate your metabolic health.

A person with a rapid metabolism would "easily maintain a healthy weight, burn fat, and feel stronger mental focus and maintained energy throughout the day," according to nutritionist and New York Times best-selling author JJ Virgin, CNS, BCHN. However, a person with a sluggish metabolism can find it difficult to lose weight, feel gassy or bloated, or notice their skin or hair starting to thin down. Blood sugar fluctuations are a prevalent factor.

Bhaswati Bhattacharya, M.D., Ph.D., an integrative doctor and holistic healer, claims that a few variables affect how blood sugar levels affect a person's weight and metabolism (e.g., the integrity of the gut lining and the gut microbiome).

In contrast, Bogden asserts that when blood sugar levels are under control, the body should function "like a well-oiled machine." An active metabolism is reflected in healthy blood sugar levels, but a healthy metabolism also shows in blood sugar levels that are in balance.

How to keep your blood sugar levels in check.

You can better understand your body and what might be causing any changes you encounter by having a general notion of what healthy blood sugar levels look like and comparing them to your own blood glucose status.

The normal range of blood sugar for the general population is between 72 mg/dL and 108 mg/dL.

However, holistic nutritionist, wellness specialist, and celebrity health coach Kelly LeVeque tells mbg that each person's definition of a "good" blood sugar range is unique and depends on the height and number of blood sugar spikes they encounter throughout the course of a day.

"We can consume particular meals to feel pleased and obtain the nutrients we need when we are in optimal health. That supports us in between meals and gradually raises blood sugar levels, according to LeVeque. "Eating meals that contain a variety of macronutrients—like protein, fat, and fiber—and to enjoy these items in their whole-food form is the simplest and most successful method to support blood sugar balance and ingest these nutrients," the study concluded.

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Before beginning a supplement regimen, check with your doctor if you're pregnant, nursing, or on any medications. It is best to always speak with a healthcare professional when deciding which supplements are best for you.