What is the relationship between weight reduction and hormones?

It is evident that dietary habits have a great influence on weight control in all individuals. However, these habits are not the only ones responsible for taking or losing weight.

Certain hormones participate in the process of the organism to get rid of excess fat or, on the contrary, to accumulate it .

They are responsible for regulating a number of important body functions, including metabolism, appetite, digestion and other weight-related functions.

Therefore, an imbalance of these hormones may affect weight gain but conversely, the overweight may be the cause of an imbalance of these hormones.

These hormones are essential for health. We will list the most important of them, and detail their relationship with the weight.

Hormones and Weight Control: Leptin

 Woman who measures her height

This hormone is secreted by fat cells. Its function is to inform the brain when we have enough stored energy and we do not need to consume more calories.

For this reason, it is said of her that she “suppresses the appetite”, and her balance is decisive for a healthy weight.

The problem is that excess fat increases leptin levels, and the brain stops responding to its signals.

To prevent this from happening, eat more fruits, vegetables, and other foods rich in antioxidants.


Insulin is certainly the best-known hormone because of its role in controlling blood sugar.

However, in addition to performing this important function, it is also involved in the exploitation of nutrient metabolism by increasing energy expenditure.

If it experiences any imbalance or change, the sugars are then stored as fat, making weight loss difficult.


 Woman leaning against a tree

Known as the stress hormone, cortisol is related to increased abdominal fat .

In addition to his intervention in blood pressure, his other function is to control the metabolism of lipids, proteins and carbohydrates.

When secreted too much by stress or other stimulating factors, it reacts negatively.

Estrogens and Androgens

Estrogens are a group of mostly female hormones, while androgens are predominantly male

These two types of hormones have an influence on the distribution of fat in the body, which explains that body mass varies according to their activity at each stage.


For example, women in the reproductive period tend to store more fat in their lower part, whereas during menopause women tend to accumulate fat in the abdomen .

Growth Hormone

 Woman jogging

To lose weight more easily, you need to increase the level of this hormone. Its activity interacts with the fat cells and promotes their transformation into energy.

To stimulate it, it is recommended to exercise regularly and to sleep at least 8 hours a day.

Better known as “adrenaline”, this hormone has a great influence on the transformation of fats into energy.

Its activity suppresses appetite, prevents the accumulation of abdominal fat, and is a key element in preventing obesity.

Daily physical activity is the best way to stimulate this hormone and keep it stable.


Adiponectin is a hormone synthesized by adipose tissue. It participates in metabolism glucose and fatty acids.

Its activity improves the ability of muscles to obtain energy through carbohydrates. It also increases the rate at which the body breaks down fats and controls appetite.

To maintain a balanced rate, it is advisable to exercise and eat monounsaturated fats.

The irisine

 Woman exercising with a balloon

Irisine is a hormone that is secreted during physical activity. Its function is to help burn calories more efficiently, and it works even when physical exercises are over .

She reaches the cells of white fat (“bad fat”) through the blood, which she turns into brown fat (“good fat”).

The function of this intestinal hormone is to control appetite by reducing the consumption of calories.

When released, it decreases the volume consumed and prolongs the feeling of satiety that occurs during each meal .

Ultimately, physical activity and hormonal balance play a vital role in weight control.

The adoption of good habits and medical checks are key to avoiding disruption.



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