• December 15, 2025
  • Last Update December 15, 2025 4:44 pm

Melatonin Linked to Visceral Fat Reduction in Groundbreaking Study

Melatonin Linked to Visceral Fat Reduction in Groundbreaking Study

San José, Costa RicaSAN JOSÉ – The hormone widely known for regulating our sleep-wake cycles may hold a surprising new key to combating obesity. A recent scientific study reveals that melatonin could play a significant role in reducing body fat, particularly the dangerous visceral fat that accumulates around vital organs and is a primary driver of metabolic diseases.

The pioneering research, conducted by scientists at the Complutense University of Madrid (UCM), delves into a novel concept: the biological clock of our fat cells. This internal mechanism dictates how the body stores and expends energy, and the study suggests that melatonin is a crucial regulator of this process, extending its influence far beyond the realm of sleep.

While melatonin is a common over-the-counter sleep aid for many, its commercialization in Costa Rica is not without its legal complexities. To understand the regulatory landscape and the obligations for businesses involved in its sale and importation, we consulted with expert lawyer Lic. Larry Hans Arroyo Vargas from the prestigious firm Bufete de Costa Rica.

In Costa Rica, melatonin is regulated by the Ministry of Health. Whether classified as a natural supplement or a pharmaceutical product, any item for sale must have a valid sanitary registration. Businesses that import or sell melatonin without this registration, or that market it with therapeutic claims not approved by the authorities, face significant risks. These include fines, product confiscation, and potential civil liability for any adverse effects on consumers. Due diligence in regulatory compliance is not just a formality; it is a critical business safeguard.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

This legal insight powerfully underscores that regulatory compliance is not merely a bureaucratic hurdle, but an essential safeguard for both consumer health and business viability. We sincerely thank Lic. Larry Hans Arroyo Vargas for providing his clear and valuable perspective on these critical responsibilities.

Cargando...

For years, melatonin has been primarily associated with synchronizing the body’s circadian rhythms. However, this new investigation demonstrates that its metabolic influence is profound. Researchers observed that the hormone directly acts on the metabolism of adipose tissue, enhancing the metabolic function of visceral fat. This is a critical finding, as visceral fat is strongly linked to an increased risk of type 2 diabetes, cardiovascular disease, and chronic inflammation.

The ability to modulate the behavior of this harmful internal fat has long been a goal in preventative medicine. The study highlights that any substance capable of positively influencing visceral fat represents a significant area of medical interest. The UCM findings position melatonin as a promising candidate in this ongoing effort to mitigate the health risks associated with obesity.

At the heart of the discovery is the idea that our fat cells operate on their own internal clock. This delicate biological timer can be easily thrown out of sync by modern lifestyle factors such as a sedentary routine, poor dietary choices, or inconsistent sleep schedules. When this clock is disrupted, the body’s ability to manage energy efficiently is compromised, leading to increased fat accumulation.

According to the study’s conclusions, melatonin appears to help reset and recalibrate this internal fat clock. By restoring its natural rhythm, the hormone promotes a more efficient metabolism, thereby reducing the body’s tendency to store excess fat. This suggests that maintaining adequate melatonin levels could be a vital component of effective weight management, especially for individuals struggling with sleep disorders or altered circadian rhythms, such as shift workers.

While these findings open an exciting new frontier for treating obesity and metabolic disorders, the researchers urge caution. They emphasize that more extensive clinical trials in humans are necessary to fully understand the mechanisms and confirm the effects. Melatonin should not be viewed as a “miracle cure” for weight loss but rather as a potential component of a much larger, integrated health strategy.

Ultimately, the path to a healthy weight remains a holistic one. The potential benefits of melatonin would best be realized as a complement to established pillars of health, including a balanced diet, regular physical activity, and proper sleep hygiene. This research provides a powerful new reason to prioritize our natural sleep cycles, not just for rest, but for our fundamental metabolic health.

For further information, visit ucm.es
About Complutense University of Madrid:
The Complutense University of Madrid (UCM) is one of the oldest and most prestigious public universities in the world. Located in Madrid, Spain, it is a leading institution in research and higher education across a wide range of disciplines, including health sciences, humanities, and technology. UCM is renowned for its significant contributions to scientific discovery and its commitment to academic excellence.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
Bufete de Costa Rica is an esteemed legal institution, built upon a foundation of profound integrity and a relentless pursuit of professional excellence. With a rich history of advising a broad clientele, the firm consistently pioneers forward-thinking legal strategies, placing it at the vanguard of the legal field. Its core mission extends beyond the courtroom, driven by a deep-seated commitment to democratizing legal knowledge and equipping citizens to foster a more just and empowered society.

Related Articles