May 14, 2024

Warning: Scientists Discover Melatonin – a Popular Sleep Supplement – Can Disrupt Gut Health

A brand-new research study recently released in the journal Microorganisms shows that melatonin, regardless of its antioxidant properties and role in sleep cycle guideline, could magnify digestive inflammation and impair the action of gut microbiota. Our study reveals that people should be mindful about taking hormonal agent supplements and that the ingestion of melatonin supplements can have negative effects on health,” stated Cristina Ribeiro de Barros Cardoso, a professor of immunology and neuroimmunoendocrinology at the University of São Paulos Ribeirão Preto School of Pharmaceutical Sciences (FCFRP-USP) in São Paulo state, Brazil.
Cardoso and her group have years of experience in hormone research and just recently started focusing on melatonin. “Look, Im not stating by any methods that melatonin doesnt have beneficial effects. ANVISA, Brazils nationwide health security firm, has actually just recently updated its info and rules on the sale of melatonin as a food supplement, however even so control is looser than for medications.

A brand-new research study reveals that melatonin, frequently understood for its antioxidant results and role in controling sleep cycles, may actually worsen intestinal swelling and interfere with gut microbiota, which plays a vital function in food digestion, immunity, and total health. Regardless of its popular use as a sleep help, Professor Cristina Ribeiro de Barros Cardoso cautions that melatonin supplementation can potentially cause negative health impacts.
A research study has actually shown that the hormone, which is readily available for purchase from drugstores and frequently utilized as a supplement, intensified the signs of Crohns disease and ulcerative colitis in lab mice. The result, however, depended on the animals gut microbiota profile.
A new research study recently published in the journal Microorganisms shows that melatonin, regardless of its antioxidant properties and role in sleep cycle guideline, could magnify digestive inflammation and impair the action of gut microbiota. This assembly of germs and other microorganisms plays an important function in keeping health by assisting in digestion and boosting the immune system. An upset balance in between healthy and unhealthy microbes in the intestines could potentially contribute to issues like weight gain, raised blood sugar level levels, abnormal cholesterol levels, and other health conditions.
Frequently referred to as the “sleep hormonal agent”, melatonin is commonly used as a dietary supplement (generally without a doctors approval) by individuals struggling with sleep issues.

” Its usually thought to be safe. Its a hormonal agent and can assist control sleep. Our research study reveals that individuals must be cautious about taking hormone supplements and that the ingestion of melatonin supplements can have negative results on health,” stated Cristina Ribeiro de Barros Cardoso, a teacher of immunology and neuroimmunoendocrinology at the University of São Paulos Ribeirão Preto School of Pharmaceutical Sciences (FCFRP-USP) in São Paulo state, Brazil.
Cardosos laboratory carries out research into inflammatory bowel disorders, consisting of Crohns disease and ulcerative colitis. These disorders are immune-mediated, resulting from abnormal activity of the immune cells in overreacting to a pathogen, with harmful impacts on the gut microbiome and severe clinical symptoms, such as stomach pain, consistent diarrhea, bleeding, and fatigue.
Treatment entails reducing or inhibiting the immune response in order to reduce the extreme inflammation that damages the intestine. Besides corticosteroids and immunosuppressants, treatment might involve immunobiological medications, which are more effective for serious and moderate cases however unaffordable for most patients. In Brazil, they are spent for only under specific scenarios by the SUS (Sistema Único de Saúde, as the nationwide health service is known) or by health plans in the event of a court order.
” Our laboratory works to attain a better understanding of these diseases and propose novel treatments that are more affordable,” stated Cardoso, who holds a degree in dentistry from the Federal University of Uberlândia (Minas Gerais state) and a Ph.D. in fundamental and applied immunology from USP, with a postdoctoral internship at Forsyth Institute, an affiliate of the Harvard School of Dental Medicine (USA).
Besides the issue of cost, she included, lots of clients do not respond well even to the most advanced treatments and have to undergo surgical treatment for the elimination of parts of the intestinal tract. These invasive treatments have a highly unfavorable effect on their quality of life. “For this factor, recently we have pursued novel restorative alternatives, mainly based on immune reaction modulation or regulation,” she said.
Cardoso and her group have years of experience in hormone research and recently began focusing on melatonin. “Look, Im not stating by any means that melatonin doesnt have beneficial impacts.
Melatonin can undoubtedly serve as an antioxidant and improve several physiological or pathological conditions. “We began out in this research study with the presumption that we might be able to develop an unique treatment for Crohns disease and ulcerative colitis, however to our surprise, we discovered exactly the opposite, and clients need to be made aware of this threat,” she said.
The research study included an experiment in which colitis was caused in mice, and they were treated with melatonin. The animals bowel inflammation ended up being much, much worse,” Cardoso stated.
” We then started attempting to comprehend why. We found that melatonin had a favorable effect on the disease if the impact on gut microbiota was ignored and the mice were treated with wide-spectrum prescription antibiotics to get rid of all the germs.”
The negative result of melatonin, for that reason, depends upon the bacteria that live in the intestine and are also associated with inflammatory diseases of the area. Specific functions of gut microbiota increase swelling and dysregulate the body immune system in action to treatment with melatonin, damaging the digestive system.
” What is the meaning of all this? I d state its that all that flashes is not gold. We need to take fantastic care with medications, hormonal agent supplements, or hormonal agents used as food supplements. You buy a food supplement in a pharmacy and think its not a drug, it wont alter anything in your body, it will only do excellent because after all its sold as a food supplement, but its not truly that at all. Its a hormonal agent, and policy of the interaction between all hormonal agents and the body immune system is very delicate,” Cardoso said.
Guideline
ANVISA, Brazils nationwide health surveillance agency, has actually just recently upgraded its information and guidelines on the sale of melatonin as a food supplement, but however control is looser than for medications. “Its crucial to stress this since we talk about the need to make sure, but individuals may think, Oh, however Ill just pop into the drug store and buy some, its been authorized by ANVISA. Real, but just when labeled as a food supplement, and what were asking in the research study is whether its really a mere food supplement. What are the dangers?” Cardoso stated.
Referral: “The Microbiota-Dependent Worsening Effects of Melatonin on Gut Inflammation” by Jefferson Luiz da Silva, Lia Vezenfard Barbosa, Camila Figueiredo Pinzan, Viviani Nardini, Irislene Simões Brigo, Cássia Aparecida Sebastião, Jefferson Elias-Oliveira, Vânia Brazão, José Clóvis do Prado Júnior, Daniela Carlos and Cristina Ribeiro de Barros Cardoso, 11 February 2023, Microorganisms.DOI: 10.3390/ microorganisms11020460.
The research study is one of the results of a job led by Cardoso and funded by FAPESP.