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Did you know that our bodies are home to trillions of microscopic organisms, especially within the digestive system? These microorganisms collectively form what is known as the “Gut Microbiome” (the community of microorganisms living in the gut), with a combined weight of approximately 1–2 kilograms.
In medical terms, the gut microbiome is often described as a “hidden organ” because it does far more than assist digestion. It plays a crucial role in supporting the immune system and influencing overall health in ways we may not always realize.
Why Are Gut Microorganisms Important?
Our intestines contain a large ecosystem made up of both “beneficial bacteria” (which support health) and “harmful bacteria” (which may contribute to disease when present in excessive amounts). When beneficial bacteria are diverse and maintain a healthy balance, they help support the body in several important ways:
Warning Signs of an Imbalanced Gut Microbiome (Dysbiosis)
When lifestyle factors reduce beneficial bacteria and allow harmful bacteria to increase, the body may show signs of imbalance, including:
Frequent bloating, abdominal discomfort, or excessive gas
Changes in bowel habits, such as chronic constipation or frequent diarrhea without a clear cause
Easy fatigue and poor sleep quality
Skin problems, such as unexplained rashes or inflammatory acne
Getting sick easily or experiencing frequent colds
Restoring Gut Balance with “Probiotics” and “Prebiotics”
Maintaining a healthy gut microbiome can begin with choosing nutritious foods. Two key types of nutrients that support gut health include:
|
Nutrient Type |
Main Function in the Gut |
Common Food Sources |
|---|---|---|
|
Probiotics |
Live beneficial microorganisms that help increase the population of good bacteria in the gut. |
Yogurt, low-sugar fermented milk, kimchi, miso, kombucha |
|
Prebiotics |
Dietary fibers that act as “food” for beneficial bacteria and support their growth. |
Bananas, onions, garlic, asparagus, whole grains, legumes |
Important note : When consuming fermented foods to increase probiotic intake, choose products from clean and reliable sources. Also be mindful of sodium and sugar content, which may be higher than recommended.
Long-Term Gut Health Care
In addition to choosing healthy foods, lifestyle habits also play an important role in maintaining gut balance. These include:
Getting enough quality sleep
Managing stress effectively
Avoiding unnecessary use of antibiotics without medical advice
Antibiotics can affect both harmful and beneficial bacteria in the gut. Unnecessary use may disrupt the balance of the digestive system.
For individuals experiencing persistent bowel irregularities or chronic digestive symptoms, consulting a gastroenterology specialist for a thorough evaluation can help develop an appropriate plan for lifestyle adjustments and treatment based on individual health needs.
Listen to Your Gut and Take Care of Your Digestive Health With care and support from : Gastroenterology and Hepatology Department Thonburi ThawiWatthana Hospital (THT)