Your Gut 101 : How to Support It, What's Ruining It and How to Rebuild It After Antibiotics with Microbiologist Kiran Krishnan

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Oct 21, 2025

In this engaging conversation, microbiologist Kiran Krishnan shares his expertise on gut health. With over 15 years studying the microbiome, he explains how our gut is like a vibrant rainforest, crucial for digestion, mood, and immunity. Kiran explores the negative effects of antibiotics and stress, emphasizing the importance of restoring balance through simple habits like eating slowly and using probiotics. He highlights the gut-brain connection, revealing how it influences mental health. The discussion offers practical strategies for maintaining a healthy gut and overall well-being.

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ADVICE

Pair Prebiotics With Probiotics

Take both prebiotics and probiotics together to feed keystone species and increase their abundance.
Pairing spores with oligosaccharide prebiotics can triple keystone species growth.

ADVICE

Double Down Post-Antibiotics

After antibiotics, be diligent for at least three times the antibiotic course: increase probiotic, prebiotic, and fiber doses.
Space probiotic dosing a few hours away from antibiotics to maximize benefit.

ADVICE

Heal Skin From The Inside

For inflammatory skin issues, reduce dairy and gluten and boost prebiotics, probiotics, and fiber.
Increased acetate from gut fermentation reduces skin inflammation and supports repair.

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What if the key to healing your body—and your mind—starts in your gut?
Could anxiety, low energy, and inflammation all trace back to the same place?
And what if the secret to balance isn’t adding more, but restoring what’s already within you?

In this episode of A Really Good Cry, Radhi sits down with microbiologist and gut health expert Kiran Krishnan for a fascinating, eye-opening conversation on how our gut influences everything—from digestion and mood to immunity and mental clarity.

Kiran breaks down complex science into simple truths about how the body really works. He shares why our gut is like a living rainforest, how stress and antibiotics disrupt its balance, and what it actually takes to rebuild harmony within your system. Together, Radhi and Kiran explore how small daily habits—like eating slowly, adding bitters, and embracing probiotics—can shift not just your digestion, but your entire sense of well-being.

This isn’t just a conversation about gut health. It’s about reconnecting with the natural intelligence of your body and remembering that healing doesn’t have to be complicated—it just has to be conscious.

In this episode, you’ll learn:

Why 99.9% of microbes in your body are helping, not harming you
How stress directly impacts your digestion and mental health
What antibiotics really do to your microbiome—and how to recover
Why slow eating and digestive bitters can transform how you feel
The connection between gut health, mood, and better sleep
How to create a daily routine that supports balance from the inside out

If you’ve been feeling tired, foggy, or disconnected from your body, this episode is your reminder: healing doesn’t start in the mind—it starts in the gut.

Follow Kiran:
https://www.instagram.com/kiranbiome/
https://justthrivehealth.com/
https://www.instagram.com/justthrivehealth/

Follow Radhi:
https://www.instagram.com/radhidevlukia/
https://www.youtube.com/channel/UCxWe9A4kMf9V_AHOXkGhCzQ
https://www.facebook.com/radhidevlukia1/
https://www.tiktok.com/@radhidevlukia

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