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Nutrition For Mental Health

MoodMatters Dietetics

Bringing you the latest information and the happenings in mental health nutrition.

Hi Reader!

I hope you had a restful Thanksgiving weekend, or at least a moment to catch your breath before the winter holidays start picking up steam.

This season can be a lot, for our clients, for our families, and for us. So I’m keeping this week’s update simple and useful.

🗂️ New: Mental Health Nutrition Resource Library

I’m excited to share something I’ve been building behind the scenes:
a curated resource library for practitioners who want to integrate nutrition into mental healthcare.

You’ll find:

  • book recommendations
  • courses
  • research hubs and toolkits
  • client-facing resources
  • professional development materials
  • tools to manage your business

These are the things I use, return to, or recommend most often, finally organized in one place.
Feel free to bookmark it and send me suggestions if there’s something you’d like to see added, such as a category I didn't think of, or a book you love.

🧠 Journal Club Updates

A quick recap for those who missed last week’s member email:

November Session Recap

We explored a 2025 population-based cohort study on perimenopausal symptoms in women with and without ADHD. The discussion centered on:

  • overlapping cognitive and emotional symptoms
  • the role of trauma and comorbidities
  • limits of self-reported data
  • and how to apply the findings without overcomplicating clinical care

Coming Up in December

Based on polling (where 100% of you requested more ADHD-related content) we’ll focus December’s Journal Club on ADHD. I’m choosing between two strong papers; there's currently a poll up on LinkedIn if you want a chance to weigh in on the decision.

I’m also hosting a bonus session in December (free for everyone) on the physiological effects of trauma, a topic that’s resonating deeply on LinkedIn and across my practice.

You can learn more or register for Journal Club here.

📚 Study of the Week

Effect of Almonds on Mental Health and Gut Health: A 12-Week Randomised Controlled Trial

This 12-week RCT looked at how daily almond consumption influences gut symptoms and mental health in healthy adults. A few highlights:

  • Participants consumed 56 g/day of almonds (about 2 ounces).
  • Researchers did not observe significant improvement in mood scores.
  • Almond intake did not appear to alter the short chain fatty acid concentration in fecal samples.
  • Microbiome analysis was ongoing at the time of publishing.
  • Bowel function improved with significantly fewer hard stools.

My thoughts? First off, why didn't they wait for the microbiome analysis to be complete before publishing?

This article came across my email from a Google Scholar alter. I wanted to highlight it for a few reasons.

  1. It's a super short read.
  2. I think it's important to publish "negative" data. By this, I mean, the results did not back up the hypothesis. With a heavy publishing bias of "positive" studies, I feel like we are missing out on a lot of the picture when it comes to nutrition research.
  3. I'm curious about how you feel about single food interventions. In my opinion, they aren't helpful, as they do not reflect real world dietary intake.

That being said, this study may have found different results had they gave a specific meal plan to participants, and included the almonds in some and the muffins (control food) in others.

As it is, we have no idea of the baseline diet in participants, so we can't know how big a change the daily almonds were.

If you’re heading into a busy stretch of client care, I hope something in here makes your week a little easier or sparks an idea for your practice. As always, feel free to reply with thoughts, questions, or topics you’d like to see covered.

See you next week!

Jennifer Hanes MS, RDN, LD

P.S. Follow me around the web!

113 Cherry St #92768, Seattle, WA 98104-2205
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MoodMatters Dietetics

I am a registered dietitian who specializes in nutrition as an adjunct therapy for mental health and illness. Just like you, I did not learn about nutritional psychiatry in school. The only psychiatric education we had was a general overview of eating disorders, and my preceptors flat-out told me not to worry about psychiatric medications when reviewing patients. What makes that even worse is that this location had a psychiatric unit on site! Yet, driven by an insatiable thirst for knowledge and fueled by the hyperfocus bestowed upon me by ADHD, I delved deep in to the scientific research that my patients needed. Immersed in the diverse landscapes of numerous mental health facilities, I gained invaluable firsthand experience that illuminated the profound impact nutrition can have on mental well-being. So now I'd like to pass all this knowledge and experience on to you, fellow healthcare practitioners!

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