Probiotic Advisor

Probiotic Advisor This is the page for ProbioticAdvisor.com - an innovative, unique, and independent resource

05/12/2025

The immune system training that occurs during infancy and early childhood is highly reliant on the composition of the gut ecosystem.

What have you heard about lectins? Tell us in the comments!
03/12/2025

What have you heard about lectins?

Tell us in the comments!

Black Friday Sale!Take advantage of our Black Friday sale and save over $870 off the usual price of our most popular cou...
27/11/2025

Black Friday Sale!

Take advantage of our Black Friday sale and save over $870 off the usual price of our most popular course - Naturopathic & Functional Medicine Approaches to Gastrointestinal Disorders

This 10-week course begins April 6th 2026.

Hurry though, as the discount expires end of day December 1st and course enrollments are capped to ensure a good student experience.

Read more about the course here:

https://probiotic-advisor.teachable.com/p/naturopathic-functional-medicine-approaches-to-gastrointestinal-disorders-2026-term

26/11/2025

Our community has grown significantly over the past year...hello, and thank you for being here!

My name is Dr. Jason Hawrelak, and I've been researching the microbiome since the late 1990s.

If you're looking for specialised training in gastrointestinal health & microbiome restoration, please visit the Microbiome Restoration Center website.

Looking for unbiased, evidence-based information on probiotics in an easy-to-use database? Please visit the ProbioticAdvisor website.

And if you're looking for 1:1 support for your stubborn gut issues, please contact us at the Hawrelak Gut & Microbiome Clinic.

We love sharing our microbiome knowledge, and thank you to each one of you who takes the time to share our content.

18/11/2025

Partially hydrolyzed guar gum may sound like it's a food thickener or emulsifier, but it's actually an amazing prebiotic made from guar bean fiber with bowel-normalizing effects.

Have you tried PHGG? Share your experience below!

After working as a clinician for 25 years, it has become clear that chronically constipated patients are very unwell. An...
13/11/2025

After working as a clinician for 25 years, it has become clear that chronically constipated patients are very unwell. And that chronic constipation and slow gut transit time are key drivers of chronic disease.

Surprisingly, sometimes slow transit time doesn't present as constipation and bloating. I've had patients who report always having a daily bowel movement, but they still have slow gut motility! We typically do a transit time test to figure this out, which is an easy test you can do at home with a few food items. However, there are also symptoms to look out for that may suggest slow gut motility.

If you're looking for 1:1 support for your stubborn gut issues, please contact us at the Hawrelak Gut & Microbiome Clinic.

Lately, we've been getting a common question: Do dietary emulsifiers impact gut health in healthy people the same way th...
12/11/2025

Lately, we've been getting a common question: Do dietary emulsifiers impact gut health in healthy people the same way they do in those with IBD?

Cue this new study— a randomized, placebo-controlled trial that tested the effects of adding five common emulsifiers—carboxymethyl cellulose (CMC), polysorbate-80, carrageenan, soy lecithin, and native rice starch—to brownies, and then tracked their impact on gut health.

Compared with the placebo brownies (which contained no additives), those containing CMC were associated with reduced levels of all short-chain fatty acids, while brownies with carrageenan increased transcellular intestinal permeability—markers associated with less favorable gut outcomes. [PMID: 40816342]

So yes, some emulsifiers are gut-harming, even in those who do not suffer from gut diseases like inflammatory bowel disease.

Part 2 of fiber facts. Eating more dietary fiber may equal:▫️Fewer allergies and eczema▫️A lower risk of dying from hear...
08/11/2025

Part 2 of fiber facts. Eating more dietary fiber may equal:

▫️Fewer allergies and eczema
▫️A lower risk of dying from heart disease and all causes
▫️A lower risk of several types of cancer
▫️Less depression

07/11/2025

Most people - even health pros! - don’t know this about fiber!

Tag your favorite gut health geek and share these fiber facts. :)

Round two of how to fit 40 grams of fiber into your day! What are your favorite fiber-rich foods?
05/11/2025

Round two of how to fit 40 grams of fiber into your day!

What are your favorite fiber-rich foods?

30/10/2025

It's well established that antibiotics can disrupt the gut microbiota and should be used only when truly necessary.

However, many other factors can also impact the gut ecosystem, often in ways that go unnoticed.

For example, food additives such as emulsifiers and artificial sweeteners have been shown to negatively impact gut health. Unlike antibiotics, these additives are consumed daily by most people in Western countries, making their potential impact on the microbiome even more concerning.

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