Dr. Matthew Nagra, ND

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Dr. Matthew Nagra, ND My passion is to help people regain control of their health through individualized treatment that begins with nutrition and lifestyle.

I particularly focus on plant-based nutrition, athletics, and chronic disease treatment via an evidence-based approach.

10/09/2026

I thought we learned this in grade school?

10/05/2026

Here’s a clip from my debate with in which we discuss whether an animal-based diet (essentially animal foods plus fruit) or plant-based diet is easier to follow.

You can watch the full debate on our Instagram pages or on my YouTube channel here: https://youtu.be/U35aYpa8KWs?si=0eXyRKURkkecmVQG

10/04/2026

Carnivores love to point to nonessential nutrients that meat contains as a reason to consume it, but conveniently forget about that when it comes to carbs.

The reality is, there can be benefits to consuming things like creatine AND carbohydrates, especially for certain types of athletic performance. Meanwhile, saturated fats can be quite harmful.

References:

https://pmc.ncbi.nlm.nih.gov/articles/PMC12665265/
https://pubmed.ncbi.nlm.nih.gov/35809162/
https://www.who.int/publications/i/item/9789240061668

10/03/2026

So whoever the anonymous coward behind the page is decided to falsely suggest that myself and others (, , etc.) were paid as a part of a food industry campaign called “Growing a Healthier America.” Well, that’s false. None of the people I’ve spoken to have ever even heard of that campaign.

Do we defend seed oils? Yes, because that’s what the best available data supports.

To be transparent, I have received funding from for writing a paper extensively reviewing the data on seed oils, and then presenting those findings; however, that has nothing to do with this “GAHA” campaign. Plus, I’ve been publicly sharing my position on seed oils for years (long before receiving a penny).

So we demand that issue a correction immediately (as a post, not a story or private DM) apologizing and naming each of the people featured in the post.

10/03/2026

🚨NEW PUBLICATION🚨

I co-authored a review on taurine intake and both health and exercise performance as it pertains to plant-based diets. The question is whether those following plant-based diets are missing out on the benefits of consuming taurine from food sources (eg. Fish). However, the evidence doesn’t support that. It’s a non-essential nutrient for humans and purported benefits appear to be drive by supplement doses well beyond what animal food consumption typically provides.

Read the full review here: https://ijdrp.org/index.php/ijdrp/article/view/633

Co-authors: David Goldman, Michael Greger

Watch the full debate here: https://www.youtube.com/live/No0ACNgK5cI?si=TMs69eTI0vGjHWGY

09/30/2026

“Vegetarians have a 53% higher risk of depression.” Not so fast!

That 53% statistic that she cited comes from a meta-analysis that lumped “semivegetarians” (aka flexitarians) with vegetarians and vegans. But when the researchers actually separated the groups, the increased risk was only seen among semivegetarians. Neither lacto-ovo vegetarians nor vegans had a statistically significant increased risk of depression.

And there’s another significant problem here. She cited data on depression, then immediately pivoted to an anecdote about someone experiencing anxiety, as if the two are interchangeable. Some mechanisms can certainly overlap, but they’re not the same condition, and we can’t really identify cause and effect from a single anecdote. Interestingly, a meta-analysis specifically examining vegetarian diets and anxiety found no statistically significant association.

Diet quality matters, too. You can eat a very poor or incredibly healthy vegetarian or vegan diet. And another meta-analysis found that dietary patterns emphasizing more healthy plant foods and fewer animal foods were associated with lower odds of anxiety, depression, and psychological distress.

That said, there’s an important caveat: much of the research in this area is cross-sectional, meaning it captures a snapshot in time rather than following people over years to determine what came first.

So I’d be cautious about making strong claims that plant-based diets either cause or prevent mental health conditions.

References:
https://academic.oup.com/nutritionreviews/article-abstract/80/2/242/6209457
https://pubmed.ncbi.nlm.nih.gov/32885996/
https://academic.oup.com/nutritionreviews/article-abstract/83/12/2282/8215576

09/28/2026

Seeing fact check their own guests is kind of hilarious. Although, I suspect that’s in response to them continuously being called out for platforming spreaders of misinformation…

In this episode, claims that many people can experience improvements in their autoimmune conditions by removing fibre-rich foods like vegetables and he backed it up by citing a study that didn’t look at people with autoimmune conditions…

The trial included 36 people randomized to either a high-fermented-food diet or a high-fibre diet. Inflammatory markers generally decreased in the fermented-food group, while they did not significantly change in the high-fibre group.

However, there was an interesting finding within the high-fibre group: inflammatory markers decreased in some participants but increased in a subset who started the study with lower gut microbial diversity and a more pro-inflammatory profile.

But this was an exploratory finding in a relatively small subgroup, so not strong evidence that fibre is “noxious” or “pro-inflammatory” as he claimed, but instead something to research further.

And let’s not forget that, at the population level, higher fibre intake is consistently associated with better long-term health outcomes.

References:
https://www.cell.com/cell/fulltext/S0092-8674(21)00754-6
https://www.sciencedirect.com/science/article/abs/pii/S026156142500175X

09/27/2026

This is a great example of why the whole “do your own research” idea typically fails. There’s a certain skillset and level of understanding that’s required to conduct literature searches, critically appraise the studies you find, and assess what the totality of evidence supports. These are skills that researchers/professionals develop over years of schooling. That isn’t to say that those skills can’t be developed without a formal education. I personally know some people without any formal training who are incredible at doing exactly that.

But since not everyone has the time to put into developing that skillset, here are great science communicators (who do the work for you) to follow, so you can make informed decisions:


nicola.guess


md
richie.kirwin
(mostly for the memes 😂)




References:
https://pubmed.ncbi.nlm.nih.gov/41010525/
https://pubmed.ncbi.nlm.nih.gov/34187442/
https://www.jandonline.org/article/S2212-2672(20)31529-X/fulltext

09/26/2026

In case you missed it, here’s a clip from my recent debate with on plant-based vs. animal-based diets.

Watch the full debate on Instagram or on my YouTube channel!

The study being referenced here: Appleby 2016 - https://pubmed.ncbi.nlm.nih.gov/26657045/

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