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What is Brown Fat? Science Behind Brown Adipose Tissue (BAT)

Brown adipose tissue, or brown fat, is one of the hottest trends in the weight loss community. Exipure is one such brown fat boosting supplement that is pointing to the science and saying this matters.

It’s like a shortcut to weight loss. Brown fat burns calories naturally. When you get cold, your body burns brown fat to heat you up.

You may think fat is bad for weight loss. However, studies show that brown fat is good for weight loss. If you want to enjoy real, sustainable weight loss, then you may want to focus on brown adipose tissue.

What is brown adipose tissue? How does brown fat work? How do you raise levels of brown fat in your body? We’re brown adipose tissue experts, and we’ll explain everything you need to know about brown adipose tissue and how it works.

What Makes Brown Fat Special?

Brown fat, or brown adipose tissue, is a special type of body fat found throughout your body.

When your body gets cold, it activates brown fat to warm you up. When you activate this brown fat, it produces heat in a process called thermogenesis.

Thermogenesis is crucial for weight loss. Thermogenesis increases calorie burning and raises your metabolic rate. That means your body burns more calories at rest than it normally would. It’s like a shortcut to weight loss.

Recent research also shows brown fat can:

  • Help regulate appetite by managing levels of leptin
  • Make it easier to lose weight and burn fat
  • Help regulate blood sugar and insulin
  • Help you stay warm
  • Support high levels of energy throughout the day
  • Increase your metabolic rate, making it easier to burn calories throughout the day

In fact, one study found that people with higher levels of brown fat burned more than 200 extra calories per day.

For all of these reasons and more, some people see brown fat as the shortcut for weight loss.

How Does Brown Adipose Tissue Work?

Brown fat contains more mitochondria than regular fat (white fat). Mitochondria, as we learned in science class, are the powerhouses of the cells. They’re the engines within the brown fat cells, and these engines burn calories to produce heat.

Brown fat is built differently than regular fat. White fat is made from large droplets of lipids (fatty acids). Brown fat cells, meanwhile, are packed with mitochondria. Those mitochondria take in sugar and white fat, breaking down these compounds to create energy. That means brown fat stores more energy in a smaller space than white fat.

Your body activates brown fat via temperature changes. When your body gets cold, it produces a hormone called norepinephrine. Brown fat has norepinephrine receptors. When these receptors sense norepinephrine, they signal the mitochondria within brown fat cells to create energy.

Growing research shows how brown adipose tissue works and what it does. Although we’re still learning more about brown adipose tissue, studies show it could be crucial for weight loss.

How Brown Adipose Tissue Helps with Weight Loss

Brown fat has calorie-burning properties that can be harnessed for weight loss. By taking advantage of the calorie-burning effects of brown adipose tissue, you can burn more calories at rest than you normally would.

When you burn more calories at rest, it’s easier to maintain a caloric deficit. That means you can lose weight more easily.

What makes brown fat extra special for weight loss is how it burns calories for fuel: brown fat forces your body to burn calories and regular fat for fuel. By inducing thermogenesis, brown fat appears to accelerate weight loss results significantly.

Boosting Adipose Tissue

Studies show that lean people tend to have more brown adipose tissue than overweight or obese people.

By exercising often and maintaining a healthy diet, you may be able to raise brown adipose tissue on your body.

Exercise appears to be particularly important for raising levels of brown adipose tissue. Exercising may build levels of brown fat throughout your body, making it easier to lose weight by inducing thermogenesis.

White Fat Versus Brown Fat

There are two main types of body fat, including white fat and brown fat. The two types of fat serve different purposes. While white fat is bad for weight loss, brown fat appears to be good for weight loss.

White Fat (White Adipose Tissue): White fat, or white adipose tissue (WAT), is the type of fat you think of when you hear the word ‘fat’. It’s the type of fat that accumulates throughout your body. This type of fat helps keep your body warm by insulating your organs. The fat wraps around your body, keeping you warm by physically surrounding your organs. Studies show that excess levels of white fat are bad. High levels of white fat are associated with a higher risk of heart disease and diabetes, two of the biggest killers in the world today.

Brown Fat (Brown Adipose Tissue): Brown fat, or brown adipose tissue (BAT) is different from white fat. It’s rich with mitochondria that contain iron, which is why it’s called brown fat. The iron within the mitochondria give the BAT its distinctive color. When your body is cold, it ‘activates’ brown fat. That brown fat creates heat without shivering in a process called thermogenesis. As brown fat activates, it burns calories and fat from all over your body.

Decades ago, researchers believed that only babies had brown fat. Approximately 5% of a baby’s weight consists of brown fat.

Today, however, researchers know that adults have small reserves of brown fat as well. Although small amounts are found throughout the body, most adults have particularly high concentrations of fat in small deposits around the shoulders and neck.

Top 5 Ways to Raise Levels of Brown Fat

We’re born with some brown fat, which is called constitutive brown fat. It’s the type of fat you’re born with.

However, you can build more brown fat. Some of your fat is considered ‘recruitablefat.’ That means it can be converted into brown fat. You can literally ‘brown’ your fat under certain circumstances.

Recruitable fat is found in muscles and white fat throughout your body. By recruiting this white fat into brown fat, you could accelerate weight loss results.

Here are some of the science-backed raise to raise brown fat levels throughout your body, according to peer-reviewed research:

1) Expose Yourself to Cool Temperatures

By turning down your thermostat, you may raise levels of brown fat in your body. In fact, research shows that your recruitable fat could start transforming into brown fat at temperatures of around 66˚F (19˚C). By exposing yourself to these temperatures for just two hours, you could significantly raise levels of brown fat.

Some people take this theory to the extreme by taking cold showers or ice baths. By exposing yourself to extremely cold temperatures, you could quickly raise levels of brown fat.

If you don’t feel like going for a swim in the Arctic Ocean, however, then you can simply decrease your temperatures at home or walk outside in cold weather. By reducing your body temperature, you may be able to create more body fat.

2) Eat More Food

Can you really eat more food to lose weight? That’s what some brown fat studies seem to suggest. In one study on mice, researchers found that mice who overate had more brown fat than mice who ate a normal amount of food.

Despite eating more food than other mice, these mice stayed leaner because of higher levels of brown fat. Researchers found that mice who overate had higher levels of brown fat and stayed healthier and skinnier than mice who ate a normal amount. Mice in the overfeeding group were also protected against obesity and metabolic diseases.

Of course, there are downsides of overeating – like weight gain. However, you may be able to walk a fine line between overeating and building brown fat.

3) Exercise

One of the most proven ways to build brown adipose tissue is to exercise. Studies show that people who exercise often tend to have higher levels of brown adipose tissue than people who do not exercise often.

When you exercise, you produce a protein called irisin. This protein appears to aid the conversion of white fat into brown fat. When you’re sedentary, yo produce less irisin than when you exercise often.

ALSO READ:Top 37 Ways How to Lose Weight Naturally (Fat Burning Tips)

Certain types of exercise appear to have a particularly powerful effect on brown fat development. Studies show that intense aerobic interval training is associated with higher levels of brown fat development.

We need more research to verify the connection between brown fat and exercise. However, early research on mice is promising. And, because mice and humans both create irisin during exercise, researchers believe humans could significantly raise brown fat levels through exercise.

4) Take Advantage of Genetics

Brown fat development could be linked to your genes. Studies show that people with certain gene expression have higher levels of brown fat than those with different gene expression.

In this study, scientists bred mice with a specific genetic mutation. That genetic mutation limited a protein called the Type 1A BMP-receptor. Because of the limitation of that protein, the mice were more likely to transform white fat into brown fat when exposed to cold.

Researchers have linked another protein to brown fat development. In one study, researchers found that a protein called early B-cell factor-2 (also known as Ebf2) plays a crucial role in building brown fat. Scientists breed mice to have higher levels of Ebf2, then observe a higher transformation of white fat into brown fat. Researchers also found that the brown fat cells consumed more oxygen, indicating that brown fat was producing heat, burning calories, and helping with weight loss.

5) Take Mirabegron (an Overactive Bladder Drug)

Oddly, studies show that you could raise brown fat levels by taking a drug designed to treat an overactive bladder. Studies show that mirabegron could raise levels of brown fat.

In this study, researchers gave mirabegron or a placebo to 15 healthy, lean men. Researchers observed increased brown fat metabolic activity in men who took mirabegron, indicating that the men had more brown fat (or more active brown fat) than they did before taking the drug.

Researchers also found that mirabegron increased resting metabolic rate by an average of 203 calories per day, which is a significant amount for weight loss. Resting metabolic rate is the number of calories your body burns naturally during the day. By increasing the activity of brown fat, you could significantly increase your metabolic rate, giving you a shortcut for weight loss.

In the same study, researchers found that mirabegron stimulated white fat, which could help with weight loss further.

Brown Fat Could Help Manage the Risk of Diabetes and Heart Disease

Brown fat is prized for its weight loss properties. However, studies show that brown fat could help manage the risk of heart disease and diabetes.

In this review, researchers analyzed dozens of studies on brown fat and how it burns calories. After the analysis, researchers concluded that brown fat burns calories, helps control blood sugar, and improves insulin levels, which could help prevent diabetes.

In the same study, researchers found that brown fat helped to remove fat from the blood, decreasing the risk of high cholesterol and related issues. High cholesterol is associated with heart disease, which is the number one killer worldwide.

Of course, brown fat has also been shown to treat obesity and help you lose weight. Losing weight is one of the best ways to prevent heart disease, diabetes, and early death.

FAQs About Brown Fat

We get plenty of questions about brown fat and weight loss. Here are answers to some of our most common questions.

Q: What’s the difference between brown fat and white fat?

A: Brown fat and white fat are the two main types of fat. White fat builds up when you consume extra calories, and your body stores this fat for later use. Most fat is white fat. Brown fat, meanwhile, is stored in small parts of your body and made from iron-rich mitochondria, which gives it a distinct color. Studies show that your body activates brown fat when cold, increasing calorie burning and making it easier to lose weight.

Q: How does brown fat work?

A: Your body activates brown fat when it gets cold, and brown fat creates heat by burning calories and fat (via thermogenesis). Thermogenesis increases fat burning and raises temperatures, making it easier to lose weight.

Q: How do I raise brown fat levels?

A: Studies show you can raise brown fat levels through exercise and exposing yourself to cold temperatures. Studies also show certain genetic conditions are linked to brown fat development. One study on mice found that mice who overate had higher brown fat levels, yet remained skinnier than mice on a normal diet.

Q: Why can’t babies shiver?

A: Babies can’t shiver because of physiological reasons, which is why babies have more brown fat (by percent body weight) than adults. Babies store brown fat behind their shoulder blades, and this brown fat acts as a built-in heater. As you get older, this brown fat disappears, and you shiver in response to cold temperatures. Babies create heat via a process called non-shivering thermogenesis.

Q: What is brown adipose tissue?

A: Brown adipose tissue, also known as brown fat, is a type of mitochondria-rich fat found in small deposits throughout your body. Originally only thought to be present in babies, brown fat is found in small deposits on the adult body. Studies show that exercise and exposure to cold temperatures can raise brown fat levels.

Q: What does brown fat do?

A: Brown fat warms your body by inducing thermogenesis, transforming calories and white fat cells into energy and keeping you warm.

Q: Can drugs raise brown fat levels?

A:Studies show that a drug used to treat overactive bladder can stimulate brown fat and boost energy expenditure. In this study published in Cell Metabolism, researchers gave men 200mg of mirabegron or a placebo, then observed higher levels of brown fat.

Q: Do only babies have brown fat?

A: Decades ago, researchers believed that only babies had brown adipose tissue. Brown adipose tissue is particularly common in newborns, forming about 5% of their body weight. It plays a crucial role in thermogenesis. Researchers believed that brown fat disappeared in humans after infancy. However, studies show that brown fat remains present in humans, especially in deposits around your neck and shoulders.

Q: Is brown fat good for weight loss?

A: Yes, brown fat appears to be good for weight loss. While white fat merely insulates your organs, brown fat burns calories to induce thermogenesis, making it easier to maintain a caloric deficit and lose weight. One study found that people with higher levels of brown fat tissue burned more than 200 extra calories per day.

Q: Is brown fat bad?

A: Brown fat appears to be a ‘good’ type of fat. It helps your body stay warm. It’s metabolically active, and your body turns on brown fat when it needs to stay warm. Studies show brown fat is good for weight loss, blood sugar control, and more.

Q: Do cold showers raise brown fat?

A: Studies show that taking a cold shower could raise brown fat levels. Exposing your body to cool or cold temperatures can increase the conversion of white fat into brown adipose tissue. In fact, research has shown that exposing yourself to 66 degree temperatures for just two hours per day is enough to increase brown fat recruitment.

Q: Does cold weather increase brown fat?

A: Yes, studies show that cold temperatures increase brown fat. Walking outside on a cold day could boost brown fat levels. However, simply waling around your home in 66 degree temperatures could raise brown fat levels as well.

Q: Does brown fat help with diabetes?

A: Brown fat appears to help with diabetes by controlling blood sugar and insulin. Early research shows that people with higher levels of brown fat tend to have better control of blood sugar and insulin.

Q: Does exercise increase brown fat?

A: Yes, studies show that exercise appears to increase brown fat levels. Intense aerobic exercise appears to have a particularly strong effect on brown fat levels. Plus, people who exercise more often tend to have higher brown fat levels than those who don’t get enough exercise.

Q: Do all animals have brown adipose tissue?

A: Brown adipose tissue is only found in mammals. Most, but not all, mammals have brown adipose tissue.

Q: What is thermogenesis?

A: Thermogenesis is a process your body uses to stay warm. Your body transforms calories and fat into heat through thermogenesis. Brown fat appears to induce thermogenesis, helping you stay warm.

Q: Where is brown fat found?

A: Brown fat is found in unpredictable spots throughout the body. It’s not found in the same spots on everyone. Typically, brown fat is found in the neck and shoulders. However, not everyone has brown fat in these areas.

Q: Does everyone have brown fat?

A: Everyone has at least some amount of brown fat – even if it’s just a few cells.

Q: Can a supplement boost brown fat?

A: No studies have shown that supplements can boost brown fat levels.

Q: What does body fat do?

A: Body fat controls metabolism and immune function. It also insulates your organs and maintains body temperature. Most importantly, it acts as an energy reserve: your body stores fat for later use.

Q: How many calories are in a gram of fat?

A: Each gram of fat contains 9 calories.

Q: What’s the difference between baby fat and brown fat?

A: Baby fat is also known as brown fat. People use the two terms interchangeably. Today, we know baby fat is found in more than just babies, which is why people now use the term brown adipose tissue or brown fat.

Q: How many calories are in a pound of fat?

A: Each pound of fat contains around 3,500 calories.

Q: What is beige fat?

A: Beige fat cells have properties of both white and brown fat cells. They start as white cells but perform like brown cells, turning energy into heat.

Q: Does brown fat affect the brain?

A: Recent research has shown a connection between hunger, brown fat, and weight loss. In a study from the University of Michigan, researchers found that leptin activated brown and beige fat. Leptin is a hormone that regulates body weight by controlling appetite and energy expenditure. In other words, brown fat may influence appetite, helping you naturally eat less.

Final Word

Brown adipose tissue is changing the way people approach weight loss. Exipure is one such BAT-boosting supplement that focuses on targeting low brown adipose tissue levels using clinically-researched ingredients with scientifically-proven results and effects.

Also known as brown fat, brown adipose tissue burns more calories than normal fat (white fat), making it easier to lose weight.

Studies show that exercising, exposing yourself to cold temperatures, and eating more food could all raise brown adipose tissue levels in your body.

By raising brown adipose tissue, you could transform your body into a fat-burning furnace, creating a shortcut for easy and effective weight loss results.

While many people will look for the best fat burners, appetite suppressants, metabolism boosters or proven weight loss pills, the brown fat weight loss momentum seems to just now be starting as more medical research comes to the surface on what brown adipose tissue (BAT) is all about. Maybe the supplement is already here or it is still coming, but be sure to look out for the brown fat story to continue gaining gravity in the world of natural weight loss management.

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