How to Increase Brown Fat by 40 Percent to Boost Metabolism

Research into brown adipose tissue, commonly known as brown fat, is highlighting its potential to significantly improve metabolic health and assist in the management of obesity and diabetes. Unlike white fat, which stores excess energy, brown fat is metabolically active and burns calories to generate heat through a process called thermogenesis.

The ability to activate or increase brown fat levels is a key area of scientific focus because of its role in breaking down blood sugar (glucose) and fat molecules. This process helps maintain body temperature and can lead to various beneficial metabolic changes in the body.

The Function of Brown Fat

Brown fat cells are characterized by a high density of mitochondria, which act as the powerhouses of the cell to burn calories and produce heat. This distinguishes them from white fat, which primarily serves as energy storage and can build up excessively in cases of obesity.

When brown fat is activated, it utilizes sugar, fat and amino acids from the blood to generate heat. This activity has several implications for overall health, including the potential to lower body mass index (BMI) and improve the body’s metabolic response.

Metabolic Benefits and Disease Prevention

Increased brown fat activity is associated with several health advantages that may reduce the risk of chronic metabolic disorders:

• Caloric Expenditure: Brown fat burns calories even when the body is at rest, which can facilitate weight loss and the reduction of white fat stores.
• Insulin Sensitivity: Higher levels of brown fat are correlated with a better insulin response, which may reduce the risk of developing type 2 diabetes.
• Blood Sugar Regulation: By breaking down glucose in the blood to create heat, brown fat helps regulate blood sugar levels.

Because of these effects, researchers are investigating how to harness brown fat activity to develop new treatments for obesity and diabetes.

Methods of Activation

Brown fat is activated by specific stimuli that trigger its thermogenic properties. The most prominent method for activation is exposure to cold temperatures, which prompts the fat to burn energy to maintain core body temperature.

Other factors that can influence the activation and function of brown fat include:

• Physical Activity: Exercise can enhance the activation and overall function of brown fat.
• Dietary Factors: Certain foods may stimulate the growth of brown fat.
• Pharmacological Research: Some studies have explored the use of medications to activate brown fat, such as a small study involving mirabegron, a medicine typically used for bladder control, administered to 14 healthy women.

Scientific Insights and Research

To better understand these processes, researchers, including a team led by Dr. Shingo Kajimura at the University of California, San Francisco, analyzed the blood levels of glucose, fats, and amino acids in 33 healthy young men with an average age of 23 years.

The study, funded in part by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) and published on August 21, 2019, in Nature, compared men with high brown fat activity against those with low activity at normal room temperatures. The research provided key insights into how brown fat affects the body’s metabolism and identified potential targets for treating metabolic disorders.

While research continues into how to effectively increase brown fat levels—including reports suggesting significant increases in brown fat and improved lipid metabolism—cooling the body remains one of the most likely effective methods for activation.