Kefir: the "white gold" of gut health gaining ground in modern nutrition

By Génesis Arias

Specialists highlight its digestive, immunological, and nutritional benefits; artisanal consumption is positioned as the healthiest option In recent years, kefir has ceased to be an unknown food and has become one of the most recommended products by nutritionists and specialists in digestive health. Considered a potent natural probiotic, this ancient fermented beverage is gaining popularity thanks to its multiple benefits for the body and its ability to strengthen the intestinal flora naturally. Originating from the Caucasus regions, kefir is obtained through the fermentation of milk or water with small granules composed of beneficial bacteria and live yeasts. The result is a beverage rich in healthy microorganisms, vitamins, minerals, and bioactive compounds that help the body maintain proper digestive balance. We recommend reading:

What is kefir for?

Nutrition specialists agree that kefir can provide significant benefits to the body when consumed regularly and in a balanced way.

Among its main properties, the following stand out:

• Improves gut health and digestion.
• Helps restore the bacterial flora after the use of antibiotics.
• Strengthens the immune system.
• Promotes nutrient absorption.
• May help reduce intestinal inflammation.
• Helps in cases of constipation and heavy digestion.
• Provides proteins, calcium, B-complex vitamins, and antioxidants.
• May benefit mental health due to the relationship between the gut and the brain.

Some studies also suggest that certain probiotics present in kefir could help regulate cholesterol and control blood sugar levels, although experts clarify that it does not replace medical treatments.

Who can consume it?

Kefir can be consumed by most people, including older adults, young people, and people looking to improve their eating habits. However, specialists recommend introducing it gradually, especially in people with digestive sensitivity, as its high content of live bacteria can generate gas or temporary intestinal changes during the first few days. It is also advisable to consult with a doctor before consuming it in cases of:

• Immunocompromised people.
• Patients with severe intestinal diseases.
• People with milk allergies (in the case of dairy kefir).
• Young children, depending on the preparation.

Artisanal vs. Industrial Kefir: Which is Better?

Although there are currently numerous commercial brands in supermarkets, experts in natural food assure that artisanal kefir preserves a greater diversity of living microorganisms and fewer industrial additives. Artisanally made kefir is usually prepared with fresh ingredients and natural fermentation processes, which allows many of its probiotic properties to remain intact. In contrast, some industrialized versions contain added sugars, flavorings, preservatives, and a smaller amount of active bacteria due to pasteurization processes or prolonged storage. "The true value of kefir lies in the microbial life it contains. The more natural and fresh it is, the greater its beneficial potential," explain functional nutrition specialists.

An Ally of Modern Nutrition

The rise of kefir also responds to the population's growing interest in functional foods and natural options for taking care of digestive health. In an era marked by stress, ultra-processed food, and intestinal problems, natural probiotics are taking center stage in the daily diet. Currently, kefir can be consumed alone, in smoothies, with fruits, cereals, or even as a substitute for yogurt in various healthy recipes.

Responsible Consumption

Although kefir offers multiple benefits, experts remind us that it is not a miracle product. Its effectiveness depends on a balanced diet, healthy habits, and consistency in consumption. The general recommendation is to start with small amounts and observe how the body responds. With a blend of ancestral tradition and modern scientific backing, kefir continues to establish itself as one of the most complete and promising fermented foods for overall health.