The Gut and Water: Why Hydration is a Fundamental Basis for a Healthy Microbiome
- Світлана Бурмей
- Jul 9
- 6 min read

The invisible ecosystem and its need for water
Modern 4P medicine (personalized, predictive, preventive, patient-centered) proves that the human body is a complex "superorganism" inhabited by about 38 trillion bacterial cells. This giant ecosystem, our microbiome, regulates almost all life processes: from the formation of immunity to weight control and mood through the "gut-brain" axis. However, when discussing the health of the digestive tract, we often focus exclusively on nutrition, diets or probiotics, completely forgetting about the most important solvent and environment for the life of bacteria - water.
This problem is especially acute in the warm season, when a change in drinking regimen and intense loss of moisture through sweat provoke massive gastroenterological complaints, in particular persistent constipation in the summer . The connection between water and the intestines is not just mechanical; it has a deep microbiological basis. In this article, we will take a detailed look at how hydration forms protective mucous membranes, ensures healthy motility, and why without sufficient water, even the best prebiotics become ineffective.
Mucous membranes: a watery "home" for the microbiome
To understand why the microbiome and hydration are inextricably linked, it’s worth taking a look at the anatomy and microbiology of our gut. The inner lining of the intestinal tract is lined with epithelium, which is protected by a thick layer of mucus called mucin. It is in this mucous layer that most of our commensal (beneficial) bacteria “live.”
Mucin is 90-95% water. When the body is dehydrated, this protective layer dries out, thins, and loses its gel-like structure. This leads to catastrophic consequences for the ecosystem:
Death of beneficial bacteria: Deprived of their natural habitat, beneficial microorganisms die.
Leaky Gut Syndrome: The parched mucosal barrier becomes covered with microcracks. Bacteria (even beneficial mucin-degrading ones like Akkermansia muciniphila ) can overly break down the remaining mucus, gaining access to the epithelium. Toxins from pathogens (endotoxins, LPS) enter the bloodstream, causing systemic, chronic low-grade inflammation. So water is not just a thirst quencher, it is a building block for the “house” your immune system lives in.

Water as a base for motility and constipation prevention
The large intestine performs a critical function — reabsorbing water from feces back into the body. If you don't drink enough, your body, trying to save itself from dehydration (especially in the summer), begins to aggressively pull water from the large intestine. The result is a compaction of digestive waste, cessation of peristalsis and severe constipation.
However, the science of the microbiome reveals another, deeper mechanism. Water and the intestines interact with the participation of bacteria. Beneficial intestinal microflora ferment dietary fiber (fiber), forming valuable metabolites - short-chain fatty acids (SCFA), such as acetate, propionate and butyrate. According to studies, it is SCFA that are able to acidify the environment in the colon, inhibit the growth of opportunistic bacteria, maintain water and electrolyte balance, as well as stimulate motility and improve intestinal peristalsis. If there is no water, bacteria cannot synthesize butyrate normally, the water balance is finally disrupted, and the intestines stop.
The Fiber Paradox: Why Vegetables Without Water Cause Pain
Today, everyone knows about the benefits of fiber (prebiotics) for the microbiome. Dietary fiber normalizes the time it takes for food to pass through the intestines and prevents constipation. However, there is an important rule: fiber works like a sponge. In order for it to become soft, increase in volume and perform the function of a "brush" for the intestines, it needs a lot of water.
If you dramatically increase your intake of fresh summer salads, bran, or seeds, but don't drink enough water, the effect will be the opposite. The fiber will compress into a dense mass, which will lead to digestive arrest, severe bloating (flatulence), cramps, and fermentation with the participation of pathogenic gas-forming flora (for example, sulfide-producing bacteria such as Desulfovibrio spp. ).

Innovative solutions from Ediens: Restoring motility and the microbiome
If your intestinal barrier has already been damaged due to heat, dehydration, or malnutrition, and peristalsis has stopped, simply drinking water will not solve the problem instantly. Targeted correction using evidence-based 4P medicine is needed. Ukrainian biotechnology company Ediens offers a comprehensive approach:
1. Niche pharmabiotic " My second brain. Gut microbiome "
This is a new generation biopreparation, created on the basis of 37 years of scientific research. It contains patented author's strains of lactobacilli in a high concentration (108 CFU). This product is specially created to physiologically restore the intestinal mucosa and restore lost motility.
It is guaranteed to relieve chronic inflammation, fight flatulence (bloating) and constipation.
The bacteria in the preparation actively produce CLJK, which normalizes the water and electrolyte balance in the colon and helps the intestines work like a clock again.
The convenient shape of the sachet allows you to dissolve live bacteria in water, which additionally contributes to proper hydration of the body during administration.
2. A new generation synbiotic: “ The first microbiome salad ”
To make fiber beneficial, not painful, Ediens, in collaboration with TM "Zelenyok", has developed a unique product. This is a mix of fresh local lettuce leaves (prebiotics) and a special sachet with live bacteria-helpers (fermentation starters). By adding these bacteria to greens before consumption, you provide the body with microbes that instantly activate and break down tough plant fibers, preventing fermentation and bloating. Together with a sufficient drinking regimen, this is the ideal base for a summer diet.
3. Personalized Nutrition Plan For the deepest understanding of your body, you can undergo an accurate molecular genetic analysis of the gut microbiome (NGS). Our algorithm will take into account your individual biomarkers, mucin degradation susceptibility and calculate a completely personalized nutrition and hydration plan. Your diet will contain only those products that will be the perfect fertilizer for your beneficial bacteria, reliably protecting the body from disease.
Conclusions
The microbiome is a water ecosystem. Without adequate hydration, the formation of a protective mucous barrier is impossible, and bacterial metabolites cannot perform their function of maintaining electrolyte balance and motility. Dehydration is the main reason why constipation occurs in the summer and why vegetables cause flatulence. A reasonable water balance in combination with innovative pharmabiotics, such as "My Second Brain. Gut Microbiome", will help restore the proper functioning of the gastrointestinal tract, which will purposefully restore the health of the mucous membranes and ease of digestion.
Short questions and answers (Q&A)
1. Why does constipation occur so often in the summer and how is it related to water?
Answer: In the summer, the body loses a lot of moisture through sweat. To compensate for the fluid deficit, the large intestine begins to aggressively absorb water from feces (reabsorption). Because of this, digestive waste becomes dry and hard, motility stops, which leads to persistent constipation. Regular hydration is a critical basis for normal peristalsis.
2. What is the role of the "water and intestines" connection in protecting our immunity?
Answer: The inner surface of the intestine is covered with a protective layer of mucus (mucin), which is 95% water. It is in this mucus that our beneficial microorganisms live. When dehydrated, this barrier dries out and cracks, which leads to Leaky Gut Syndrome. Toxins enter the bloodstream, provoking systemic inflammation.
3. How exactly do the concepts of "microbiome and hydration" interact with each other?
Answer: Beneficial intestinal bacteria ferment dietary fiber and secrete short-chain fatty acids (acetate, propionate, butyrate). These acids are able to maintain the delicate balance of water and electrolytes in the colon, inhibit pathogens, and stimulate intestinal muscle motility. Without sufficient water, the bacteria cannot produce these life-saving acids.
4. Which Ediens products will help restore motor skills and eliminate the effects of dehydration?
Answer: To solve acute problems (constipation, bloating, inflammation), the niche pharmabiotic "My Second Brain. Intestinal Microbiome" is ideal . Its clinically proven strains restore damaged mucous membranes and normalize motility. And for safe consumption of fiber in the summer (without the risk of bloating), the company created the synbiotic "First Microbiome Salad" , which easily breaks down greens thanks to live starter bacteria. You can also always order a genetic analysis of the microbiome to develop a fully personalized nutrition plan .
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