Probiotics explained: Why most fail and how to choose the right one with Dr Megan Rossi

Date: 2025-07-09 13:00:24

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Let’s break down probiotics. What they are, how they work and who might really benefit.

Dr Megan Rossi is the founder of The Gut Health Doctor®, a leading gut health expert and a Research Fellow at King’s College London. She’s been a registered dietitian and nutritionist for over fifteen years and holds an award-winning PhD in probiotics. She also created the gut health food brand Bio&Me and SMART STRAINS®, a range of proven live bacteria supplements.

If you’ve ever wondered whether probiotics are for you, this will help you see through the marketing and choose what works best.

📌 We cover:
00:00 Quick-fire true or false
01:01 What are probiotics?
02:49 How to read probiotic labels
06:09 Why strain and dose matter
14:07 Do higher doses mean better results?
16:34 Who would benefit from a probiotic?
19:44 Probiotics for colic in babies
21:55 Probiotics for antibiotics
23:38 Probiotics for colds and flu
27:20 Probiotics for thrush and BV
29:13 How strong is the evidence?
31:13 Emerging benefits
37:36 How do probiotics work?
40:29 Do probiotics increase short-chain fatty acids?
43:25 Will we ever get personalised probiotics?
44:50 Should you test your microbiome?
49:34 Can you eat low carb and still have a healthy gut?
52:01 Thoughts on probiotic guides
56:28 Additives, emulsifiers and gut health
1:02:23 How emulsifiers affect the gut lining
1:03:59 What is leaky gut?
1:06:05 Who should avoid probiotics?
1:08:53 Thoughts on weight loss drugs

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