Kombucha vs. Kanji: Are Your Favourite Probiotics Actually Reaching Your Gut?

Kombucha and kanji are full of probiotics that improve the gut microbiota. Here is what you need to know about them and how they reach your gut and improve its functioning.

05 Apr 2026, 06:14 · www.ndtv.com

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Kombucha is a popular fermented drink but often pasteurised, killing live bacteria
Kanji suits Indian gut microbiomes with natural antimicrobial mustard seeds
Probiotics must survive stomach acid and bile to benefit gut health effectively

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In the bustling wellness aisles of Indian metros, a new wellness drink has taken over: Kombucha. With its fizzy allure and exotic flavour profiles, it has quickly become the go-to drink for gut health. But as people reach for these sleek glass bottles, a humble, ruby-red competitor sits in the kitchens that remains often overlooked. People tend to chase the new rather than look to their existing fermented drinks that can improve the gut microbiota and improve their overall gut health.

People need to understand that Kanji, the traditional North Indian fermented drink made from black carrots and mustard seeds, has been a staple for centuries. Today, as "probiotics" becomes a household term, a vital question arises: In the battle between the global trend and the local tradition, which one actually delivers live, active cultures to your gut? As discussed in the 16th Probiotic Symposium, the need to consume fermented foods is necessary for gut health. And making fermented drinks a part of your diet is one such way to introduce beneficial gut bacteria to regulate digestive function.

The Survival Challenge: Why Most Probiotics Never Make It

The journey from your ingestion to your small intestine is a tedious one. For a probiotic to be effective, it must survive the highly acidic environment of the stomach (pH 1.5 to 3.5) and the bile salts in the small intestine.

"Many commercial 'health drinks' claim high CFUs (Colony Forming Units), but if the microbial strains aren't acid-tolerant, they die before they ever reach the colon," explains a lead researcher in a 2025 study on microbial resilience.

Kombucha: The Global Powerhouse

Kombucha is a fermented tea made using a SCOBY (Symbiotic Culture of Bacteria and Yeast). Its strength lies in its diversity. It typically contains Acetobacter, Gluconobacter, and various Saccharomyces yeasts.

The Pro: It offers a wide array of organic acids (acetic, gluconic, and lactic) and tea polyphenols.
The Con: Commercial kombuchas in India are often pasteurised to extend shelf life, which kills the very live bacteria you're paying for. Additionally, the high sugar content required for fermentation can sometimes feed the "bad" bacteria if not fully processed.

Also Read: Kanji For Gut Health: Why This Fermented Drink Holds The Key To Your Immunity In Summer

Kanji: The Indigenous "Super-Shot"

Kanji is the result of spontaneous lactic acid fermentation. Unlike kombucha, which requires an added starter, Kanji relies on the indigenous microbiota present on the surface of black carrots and mustard seeds.

A 2026 comprehensive review in the European Journal of Nutrition and Food Safety highlighted that the microbial community of Kanji is dominated by Lactobacillus plantarum and Leuconostoc. These specific strains are known for their high acid and bile tolerance, meaning they are evolutionarily "primed" to survive the human digestive tract.

Why "Local" Might Win

The Indian gut microbiome is heavily influenced by unique geography and diet. For the Indian gut, which is often accustomed to spices and plant-based fibres, the Lactobacilli found in Kanji are particularly effective.

Traditional ferments like Kanji offer bioavailable living cultures that are tailor-made for Indian bodies and climates. Furthermore, the mustard seeds in Kanji act as a natural antimicrobial, suppressing harmful pathogens while allowing "good" bacteria to thrive.

Also Read: 8 Reasons Why Coconut Water Is The Perfect Summer Drink

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The Verdict: How To Ensure You're Getting The Benefits

Whether you choose the fizzy tang of kombucha or the earthy spice of kanji, follow these rules to ensure the probiotics actually reach your gut:

Check for "Live and Active": If buying store-bought, ensure the label says "unpasteurised" and is kept in the refrigerated section.
Mind the Sugar: High sugar can lead to bloating. Kanji is naturally lower in sugar, making it a safer bet for those watching their glucose levels.
Watch the Season: Kanji is traditionally a winter/spring drink. Drinking it during its natural season ensures the carrots are rich in anthocyanins which are powerful antioxidants that give the drink its purple hue.
The "Cloudy" Rule: A bit of sediment at the bottom is usually a good sign; it's where the most concentrated colonies of beneficial bacteria reside.

Instead of choosing one, consider a rotation. Use kombucha as a refreshing, low-calorie soda replacement, but keep Kanji as your functional "health shot" to prime your digestion before a heavy Indian meal.

Disclaimer: This content, including advice, provides generic information only. It is in no way a substitute for a qualified medical opinion. Always consult a specialist or your own doctor for more information. NDTV does not claim responsibility for this information.

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