#305 How to Choose the Right Probiotic for You and How They Work | Dr. Megan Rossi PhD
The Doctor's Kitchen Podcast
Dr Rupy Aujla
4.8 • 2.5K Ratings
🗓️ 9 July 2025
⏱️ 84 minutes
🧾️ Download transcript
Summary
Let’s unpack the world of probiotics. What they are, how they work, and who might actually benefit from taking them.
Today you’ll learn about the science behind probiotic strains, explore whether fermented foods like kefir and kimchi are enough, and discuss when probiotics may help with issues like IBS, supporting our immune health, or even preventing antibiotic related side effects.
To help us with this complicated topic, we have Dr Megan Rossi on the show today. She’s the founder of The Gut Health Doctor®, and is one of the most influential gut health specialists internationally, and a leading Research Fellow at King’s College London. She’s a registered dietitian and nutritionist but Dr Megan has an award-winning PhD in Probiotics.
She is also the founder of the gut health food brand, Bio&Me, and she has launched a targeted range of clinically-proven live bacteria supplements, SMART STRAINS®.
Dr Megan also shares how to navigate the supplement aisle with confidence, what to look for on a label (such as the Genus, Species and Strain), and how probiotics compare to other foods with probiotic-like effects and other foundational gut health habits like fibre and plant diversity.
There is no financial affiliation of any kind with Doctor’s Kitchen and Dr Megan’s brand of probiotics.
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Transcript
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| 0:00.0 | Most probiotics on the market don't actually do anything. |
| 0:05.0 | True. |
| 0:06.0 | Spicy. |
| 0:07.0 | I should take probiotics after taking antibiotics. |
| 0:12.0 | False. It's during to protect your gut. |
| 0:15.0 | Okay. I'm going to get into that. |
| 0:17.0 | If I eat fermented foods like kimchi, saucrat, I don't need to take probiotic supplements. |
| 0:25.2 | Conditions apply. |
| 0:26.4 | They're different things. |
| 0:28.7 | Okay. |
| 0:29.8 | Are fermented foods better than probiotic supplements? |
| 0:33.7 | Again, different things, different indications. |
| 0:37.0 | Does freezing or cooking probiotic foods destroy some of those benefits? |
| 0:43.6 | Freezing generally not? |
| 0:45.3 | Cooking generally yes. |
| 0:46.8 | Okay. |
| 0:47.6 | And should we be avoiding additives and emulsifies in our food as much as possible? |
| 0:54.1 | We should become, I think, |
| 0:56.3 | amulsifier aware. We don't need to go crazy on it. I love that. Emulsifier aware. I can be |
| 1:02.7 | in a t-shirt. Hi, I'm Dr. Rupi. I'm a medical doctor and nutritionist. And when I suffered a |
| 1:10.3 | heart condition years ago, I was able to reverse it with diet and lifestyle. This opened up my eyes to the world of food as medicine to improve our health. On this podcast, I discuss ways in which you can use nutrition and lifestyle to improve your own well-being every day. I speak with expert guests |
| 1:29.3 | and we lean into the science, but whilst making it as practical and as easy as possible, |
... |
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