THE GUT-BRAIN CONNECTION AND VAGUS NERVE WONDERS SERIES: A HOLISTIC GUIDE TO BALANCE DIGESTION, MANAGE STRESS, ENHANCE MENTAL CLARITY AND BUILD LASTING RESILIENCE

by N. R. STERLING, HVNLY Publishing

Discover a healthier mind through your gut.
The Gut-Brain A Holistic Approach reveals how your gut does far more than digest food—it plays a vital role in your overall well-being, influencing everything from mood and energy to stress levels and emotional balance.

Feeling stuck in a stress cycle with no relief in sight?
Do digestive issues leave you uncomfortable and frustrated?
Are you constantly exhausted, unmotivated, and unsure why?

If you answered “yes” to any of these, you’re not alone. Millions are seeking a real solution—one that supports both mental clarity and physical health. This book introduces a holistic approach that bridges the gap between the mind and body—starting with the gut.

Here’s just a taste of what you’ll discover

✅ Surprising signs that poor gut health may be affecting your mood and mental clarity
✅ Why “clean eating” without understanding the gut-brain connection may be sabotaging your health
✅ The best probiotic-rich foods to support both digestion and emotional balance
✅ Proven methods to optimize your microbiome for total well-being—dietary changes that truly make a difference
✅ Adaptogenic herbs that naturally support your gut-brain axis
✅ How neuroplasticity plays into the gut-brain relationship—and why it matters for long-term health
✅ Quick, effective stress-reduction techniques for busy people


You’ll also receive Wonders of the Vagus Nerve, a powerful companion guide to help you restore the mind-body connection—even if you’ve felt disconnected for years.

Based on evidence-backed research, this bonus section with supplemental worksheets dives

The link between vagus nerve health and improved digestionHow the vagus nerve supports trauma recovery and emotional regulationNatural energy-boosting techniques, including unique exercises and powerful affirmationsSimple breathing techniques to help you feel calmer and more in control—in just three daysHow to manage anxiety more effectively by activating your vagus nerveHeart Rate Variability (HRV) as a window into your nervous system balanceHow stronger vagal tone leads to deeper, more restorative sleep
…and so much more!Whether you’ve tried holistic techniques before with little success or feel skeptical about alternative health solutions, this book is here to guide you with clarity and compassion. You’ll get a step-by-step framework that’s practical, personalized, and easy to follow—so you can start seeing and feeling real results.

Improving your health doesn’t need to be overwhelming or time-consuming.
It just needs to be intentional—and rooted in real, actionable knowledge.

If you're ready to take a well-informed step toward transforming both your gut and your mind—embracing greater vitality, deeper sleep, and a calmer, more resilient self—then this is your invitation to begin.

Scroll up and click “Add to Cart” now—your path to a happier, healthier you starts today.

334 pages, Kindle Edition

Published February 5, 2025

Reviews

[Rana Rasagna · Rating 5 out of 5]

This comprehensive guide explores the vital links between gut health, stress, and mental clarity.

Author N.R. Sterling skillfully blends science and simplicity, offering practical advice on transforming health by addressing the gut-brain-vagus nerve connection.

The book provides actionable strategies, including gut-friendly foods, adaptogenic herbs, and neuroplasticity techniques. The bonus "Wonders of the Vagus Nerve" section is a standout, offering breathing exercises, affirmations, and worksheets to help readers reconnect with their body and manage stress.

With clarity and compassion, Sterling guides readers toward optimizing their health, body, mind, and spirit. This book is an excellent resource for those seeking a holistic approach to improving their well-being, especially for those who have felt chronically stressed or disconnected.

A valuable read for anyone looking to reclaim their health and happiness.
This comprehensive guide explores the vital links between gut health, stress, and mental clarity.

Author N.R. Sterling skillfully blends science and simplicity, offering practical advice on transforming health by addressing the gut-brain-vagus nerve connection.

The book provides actionable strategies, including gut-friendly foods, adaptogenic herbs, and neuroplasticity techniques. The bonus "Wonders of the Vagus Nerve" section is a standout, offering breathing exercises, affirmations, and worksheets to help readers reconnect with their body and manage stress.

With clarity and compassion, Sterling guides readers toward optimizing their health, body, mind, and spirit. This book is an excellent resource for those seeking a holistic approach to improving their well-being, especially for those who have felt chronically stressed or disconnected.

A valuable read for anyone looking to reclaim their health and happiness.

[Rohan Jethloja · Rating 4 out of 5]

N.R. Sterling's book "The GUT-BRAIN and Vagus nerve wonders series" offers a convincing view of how intestinal health affects our psychological well -being, energy level and resistance. This guide goes far beyond the basic nutrition tips - it represents the intestine as a central player in emotional regulation, immune power and even traumatic recovery. It represents the axis of the intestinal brain and explains how stress, diet and environment form our microbioma and again our mental clarity. Through a scientific but relative approach, the book explains why normal wellness efforts such as pure eating are often failing without intestinal awareness. The common part of the vagus of the nerve examines action techniques - such as respiratory practices, cold exposure and posture changes - activate parasympathetic healing. What makes this book unique is how it combines modern neurobiology with holistic wellness, which makes it strategic and accessible. For those looking for permanent relief from stress, poor sleep or emotional fatigue, this book offers both knowledge and practical treatment solutions.

[Richa · Rating 5 out of 5]

"The GUT-BRAIN Connection and Vagus nerve wonders series" Book by author N.R.Sterling immerses deep into the extraordinary science behind our digestive health and its intimate link to mental wellness. The book represents a holistic view - one that moves beyond the symptoms and examines the root cause, such as microbiome imbalance, chronic stress and vagus nerve dysfunction. It carefully explains how intestinal flora affects mood, energy and emotional resistance and offers evidence -based methods such as restructuring diet, adaptogenic herbs and mindfulness. The unique part examines the role of neuroplasticity in the treatment of the intestinal brain axis, so the content is not only informative but authorized. The bonus guide to the vagus nerve is Standout - detailed practical, simple techniques such as breath and HRV monitoring that increases emotional regulation and healing. What differentiates this book is its practical application of scientific insights into everyday life. It is not just a guide-it is a plan to regenerate balance, energy and long-term wellness through deeply interconnected care of mind and body.

[Rimii Ghosh · Rating 5 out of 5]

This book offers a fascinating exploration of the intricate relationships between our bodies and minds, shedding light on the often-overlooked role of the gut brain. By delving into the complexities of human biology, the author provides readers with a deeper understanding of how their bodies function and respond to various stimuli. The writing is clear and concise, making complex concepts accessible to a wide range of readers.

One of the book's greatest strengths is its ability to balance scientific insight with practical advice, offering readers actionable steps to improve their overall well-being. The author's emphasis on seeking professional consultation is particularly noteworthy, highlighting the importance of working with medical professionals to address gut brain-related issues.

With its comprehensive analysis and engaging writing style, this book is an excellent resource for anyone interested in exploring the gut brain and its impact on their health. Whether you're a seasoned health enthusiast or just starting to learn about the gut brain, this book provides valuable insights and practical guidance to help you navigate the complex world of human biology.

[Simonti Ghosh · Rating 5 out of 5]

Understanding one's own body and its responses is an art. By delving deeply into the human condition, we can gain insight into how our bodies function. Our bodies display signs, which our brains interpret as mental images. The gut brain, in particular, provides us with clues about the intricate workings of our bodies. However, we need to learn how to decipher these signals. Various issues, such as brain fog, irregular sleeping patterns, hormonal imbalances, energy problems, and more, can affect our bodies through the gut brain. Although the concept of the gut brain is not yet widely accepted, seeking professional consultation is essential. Medical professionals can provide treatment plans that help improve our condition. In-depth study of the gut brain can lead to a better, healthier life, and this book serves as an excellent guide for those interested in exploring this field. With its comprehensive analysis, this book offers valuable insights into the gut brain and its impact on our overall well-being.

[Sanchita Das · Rating 4 out of 5]

The author's groundbreaking research sheds new light on the gut brain's role in shaping our thoughts, emotions, and actions, revealing a previously unknown world of intricate connections and influences. As the narrative unfolds, the author masterfully weaves together threads of science, philosophy, and personal experience, creating a rich tapestry of insight and understanding. The writing is engaging, accessible, and thought-provoking, making this book a must-read for anyone interested in the human condition.

Throughout the book, the author's passion for the subject matter shines through, illuminating the complex and often mysterious world of the gut brain. The writing is clear, concise, and engaging, making this book an enjoyable read for both experts and non-experts alike. Whether you're interested in science, philosophy, or personal growth, this book has something to offer, providing a wealth of insights and perspectives that will resonate with readers long after they finish reading.

[Mohini Shukla · Rating 5 out of 5]

The Gut-Brain Connection: A Holistic Approach
This book offers a comprehensive exploration of the gut's role in overall well-being, revealing its influence on mood, energy, stress levels, and emotional balance. The author presents a holistic approach that bridges the gap between mental and physical health, providing a promising solution for those seeking relief from stress, digestive issues, and fatigue. The writing is clear and concise, making complex concepts accessible to a broad audience. Relatable examples and anecdotes help readers connect with the material on a personal level. The book's emphasis on the interconnectedness of mental and physical health is refreshing. With actionable advice and strategies for supporting mental clarity and physical health, this book is a valuable resource for anyone seeking to improve their overall well-being. A well-written and informative read, it's a great starting point for those looking to explore the gut-brain connection.

[Sagar Raj · Rating 5 out of 5]

Gut brain pre-written slot 2:

I recently discovered the fascinating concept of the gut brain, and it's been a game-changer for me. The idea that our gut is our second brain is intriguing, and the author provides an in-depth exploration that's both informative and engaging. By understanding the gut brain, I can better navigate life's challenges and make more informed choices about my well-being. The book highlights the interconnectedness of various aspects and offers practical insights into developing healthy gut-related habits. What I appreciate most is the author's approachable writing style, making complex concepts accessible to readers like me. This book is a valuable addition to my reading list, and I highly recommend it to anyone looking to expand their knowledge of the gut brain and its impact on our lives. Whether you're interested in mental health, nutrition, or overall wellness, this book is a great starting point.

[Anuv · Rating 5 out of 5]

This bonus section offers a comprehensive exploration of the vagus nerve's role in overall well-being, backed by evidence-based research.

The inclusion of supplemental worksheets provides a practical and personalized approach to improving digestion, trauma recovery, emotional regulation, and energy levels.

The book's emphasis on natural techniques, such as breathing exercises, affirmations, and HRV, offers a holistic approach to managing anxiety and improving sleep.

The step-by-step framework is clear, compassionate, and easy to follow, making it accessible to readers with varying levels of experience with holistic techniques. The book's non-judgmental tone and focus on practical results make it a valuable resource for those seeking to improve their physical and emotional well-being.

Overall, this book is a helpful guide for anyone looking to harness the power of the vagus nerve for better health.

[Debasish Dey · Rating 5 out of 5]

An absolutely new concept, at least for me, is the gut brain. It's said that the gut is our second brain. The author assures us of an interesting in-depth exploration of the gut brain, where we can learn more about what it is, how it works, its positive and negative aspects, and the key considerations when discussing the gut brain. As our mood changes and body reacts, understanding the gut brain can help us navigate life more effectively. It's said that the body reacts as we prompt it, so here, one can understand how a person can respond by prompting the right gut-related habits. From mental health to food intake habits, natural remedies, and physical changes, everything is somehow associated with the gut brain. The entire read is unique and different for me, and I'm glad I picked up something outside my usual box.

[Shravani · Rating 5 out of 5]

This book is an incredible resource if you're looking to improve your digestion, reduce stress, and gain better mental clarity.
The author explains the gut-brain connection and the role of the vagus nerve in such a clear, approachable way.
I was amazed at how simple techniques—like breathwork and mindful eating—could make such a noticeable difference.
Within a week of trying her suggestions, I felt calmer and more in tune with my body.
The best part is how easy everything is to implement.
It’s not overwhelming or preachy, just genuinely helpful and encouraging.
The author writes with compassion, making it feel like you’re getting advice from a friend.
This is a book I’ll be coming back to again and again.
I highly recommend it for anyone struggling with stress, digestive issues, or just wanting to feel better overall.

[Oindrila · Rating 5 out of 5]

This book delivers a truly eye-opening guide that helped me understand how deeply our gut, brain, and nervous system are connected.
I’ve struggled with stress and digestive discomfort for years and never knew how central the vagus nerve was to it all.
The chapters are packed with practical advice, but they never feel too scientific or complicated. I appreciated the focus on long-term wellness—small steps like breathwork, mindful meals, and simple daily habits.
The book doesn’t promise instant fixes, but what it offers is even better: tools that actually work when you stick with them.
I felt calmer and more balanced after just a few days of trying the techniques.
It’s rare to find a health book that combines science, heart, and genuine healing in such a readable way.
I’ll be recommending this to everyone I know.

[The Lazy · Rating 5 out of 5]

I found this book to be a fascinating exploration of the intricate relationship between the gut and overall well-being.

The author's holistic approach resonated with me, as they shed light on the gut's influence on mood, energy, stress levels, and emotional balance.

I appreciated the clear and concise writing style, which made complex concepts easy to understand. The relatable examples and anecdotes helped me connect with the material on a personal level.

As someone who's struggled with stress and digestive issues, I found the book's emphasis on the interconnectedness of mental and physical health to be particularly refreshing.

The actionable advice and strategies provided a sense of hope and empowerment. Overall, I highly recommend this book to anyone seeking a deeper understanding of the gut-brain connection and looking to improve their overall well-being.

[Ambar · Rating 5 out of 5]

This book is such a refreshing and empowering read. The author takes the complex science behind the gut-brain connection and breaks it down into easy-to-digest insights.
I especially loved learning about the vagus nerve and how it plays a huge role in regulating stress and digestion. The best part? The book is packed with actionable advice. I’ve already added a few breathing techniques and daily habits into my routine and feel more centered and less anxious. It doesn’t feel like a diet book or another “fix your life overnight” gimmick—it’s thoughtful, realistic, and truly holistic. You can tell the author cares deeply about helping people take back control of their health. I’ve read other books on wellness, but this one gave me a whole new perspective.
Highly recommended for anyone wanting natural tools for better health and peace of mind.

[Rakesh Yadav · Rating 5 out of 5]

This book offers a comprehensive exploration of the gut-brain connection, revealing surprising signs that poor gut health may be affecting mood and mental clarity.

The author provides actionable advice on supporting digestion and emotional balance through probiotic-rich foods and adaptogenic herbs.

Proven methods for optimizing the microbiome and reducing stress are also discussed. The inclusion of neuroplasticity's role in the gut-brain relationship adds depth to the content.

The bonus guide, "Wonders of the Vagus Nerve," is a valuable addition. Overall, this book is a valuable resource for anyone seeking to improve their overall well-being through a deeper understanding of the gut-brain connection.

Its accessible language and practical advice make it a great starting point for those looking to explore this topic.

[Justonemorepage · Rating 5 out of 5]

This book introduced me to the fascinating concept of a 'gut brain,' a second brain that supposedly influences our thoughts and actions. The author's unique perspective suggests that this gut brain is more than just a secondary force, but rather the ultimate driving force behind our decisions. I was captivated by the idea and enjoyed exploring this new concept, which was expertly woven into a compelling narrative. The writing is clear and concise, making it easy to follow the author's train of thought. What I appreciated most was the author's ability to present complex ideas in an accessible way, without sacrificing depth or insight. This book is a great example of how to make complex topics engaging and easy to understand. If you're looking for a thought-provoking read that will challenge your perspectives, this book is an excellent choice.

[Sneha Sharma · Rating 5 out of 5]

What a fantastic book! I’ve read a lot of health guides, but this one stood out for its clarity, kindness, and real-world application. The author makes the case that your gut and brain are constantly in conversation—and shows how you can support that relationship. The vagus nerve chapter was fascinating, and the practical tips on how to activate it made me feel empowered, not overwhelmed. I’ve tried some of the exercises, and they really helped me feel more grounded and relaxed. The author doesn’t push extreme changes, but instead focuses on tuning in, making small shifts, and building resilience. It’s the kind of book that you can come back to whenever you need a reset. If you're dealing with stress, digestion issues, or just want to understand your body better, this book will be a total game-changer.

[Jharna · Rating 5 out of 5]

Delving into the mysterious realm of the gut brain, this book presents a fresh perspective on the intricate dance between our minds and bodies. The author's bold assertion that the gut brain is the ultimate driving force behind our thoughts and actions is both intriguing and thought-provoking. With a narrative that's as smooth as silk, the author expertly guides readers through the complex landscape of human consciousness. What sets this book apart is its ability to balance depth and accessibility, making it an engaging read for both the curious and the well-versed. The writing is evocative and immersive, drawing readers into a world of discovery and exploration. By shedding new light on the gut brain's role, this book challenges readers to rethink their understanding of human nature. A compelling and insightful read that will resonate with anyone fascinated by the human experience.

[Shyam Gupta · Rating 5 out of 5]

If you’ve been feeling off—stressed, bloated, foggy—this book might be exactly what you need. The book takes the mystery out of the gut-brain connection and helps you understand how your nervous system plays a huge role in your overall wellness. I loved how she breaks it all down, from gut health to the vagus nerve, and gives clear, practical advice. There’s no guilt-tripping or unrealistic expectations—just gentle guidance to help you feel better in your mind and body. The tone is encouraging, and the tips are easy to work into a busy life. I started seeing a difference in my mood and digestion within a week of making small changes. This book doesn’t just educate—it empowers. I’ve already bought another copy for a friend. It’s a realistic guide that’s grounded in both science and kindness.

[Rohit Sharma · Rating 4 out of 5]

You'll find this book to be a comprehensive guide to understanding the links between your gut, digestion, stress, and mental clarity.

Author N.R. Sterling provides actionable knowledge and practical strategies to transform your health. You'll learn how gut health affects your mood, mental health, and happiness, and discover gut-friendly foods, adaptogenic herbs, and neuroplasticity techniques.

The bonus "Wonders of the Vagus Nerve" section offers breathing exercises, affirmations, and worksheets to help you reconnect with your body and manage stress.

This book is a valuable resource for anyone seeking a holistic approach to improving their well-being, especially those who have felt chronically stressed or disconnected.

With clarity and compassion, Sterling guides you toward optimizing your health, body, mind, and spirit.

[Sada Rajlakshmi · Rating 4 out of 5]

I was thoroughly impressed by this book's honest examination of how modern environmental factors impact gut ecology. The author skillfully explains complex xenobiotic interactions without fear mongering, emphasizing resilience over avoidance. The microplastic discussion provides practical mitigation strategies missing from purely academic resources. Most compelling was connecting agricultural practices to gut and soil microbiome parallels a connection too rarely made in either environmental or health literature. The seasonal eating guidelines respect both personal health and planetary well-being. This book respects scientific rigor while acknowledging traditional wisdom, creating an environmental health resource that's both academically sound and practically applicable for everyday health choices.

[Vivek · Rating 5 out of 5]

I’ve read several books on gut health and nervous system regulation, but this one is by far the most helpful and user-friendly. The author writes with warmth and clarity, turning complicated science into everyday language. The section on the vagus nerve was especially enlightening—I didn’t realize how central it was to stress and digestion. What makes this book so special is its blend of science, soul, and practicality. The practices are simple but powerful, and I actually look forward to doing them each day. It’s helped me feel more grounded and aware of how my mind and body communicate. The book's tone is supportive, never preachy, which makes the journey toward wellness feel much more approachable. If you’re looking for something that truly addresses mind-body health and long-term resilience, don’t hesitate to pick this one up.

[Riya · Rating 4 out of 5]

The purpose of this book is to make its audience accept the fact that the aim is progress and not perfection. This masterpiece gently motivates readers to adopt easy and restorative habits like meditation and mindful eating.

This book also encourages a positive lifestyle by applying the bare minimum yet effective efforts. The book also has a scientific and biological aspect, which makes this self help book a practical guide manual. This book is a thoughtful journey into the vagus nerve’s role as the body’s emotional anchor. What I admired and followed the most was how it highlighted the power of daily practices like breathing or humming that feel small but bring deep change.

This book taught me that life is not about quick fixes but about consistent care of oneself. It’s an ideal read for anyone seeking mental clarity in their life.

[Booklover_rimi · Rating 5 out of 5]

I'm a data scientist so I'm accustomed to evidence-based decisions, this book impressed me with its methodical approach to gut-brain health. The author presents complex biochemical pathways with logical clarity, avoiding the pseudoscientific hyperbole common in wellness literature. Particularly valuable was the quantifiable tracking system for symptom changes—I've implemented this into a personal dashboard that's revealed clear correlations between specific foods and cognitive performance.

The vagus nerve stimulation techniques improved my programming focus measurably. What sets this apart is the author's willingness to acknowledge where research is still emerging versus established. An intellectually honest resource that respects the reader's critical thinking while providing actionable optimization strategies for both digestive and cognitive function

[Read_with_rimi · Rating 5 out of 5]

This book is a great resource for anyone struggling with energy, digestion, or mental clarity.

It clearly explains how gut health affects mood and provides practical advice for improvement.

The author's approach is easy to understand, making complex concepts simple to grasp. The book offers helpful techniques for reducing stress and improving overall well-being.

The advice is actionable and easy to implement, making it a great starting point for those looking to take control of their health. The book's holistic approach addresses physical and mental health, providing a comprehensive guide to feeling better.

With its clear language and practical tips, this book is a must-read for anyone seeking a natural solution to improve their health and well-being.

It's a valuable resource for anyone looking to make positive changes in their life.

[Lily · Rating 5 out of 5]

This book was exactly what I needed. I’ve struggled with chronic stress and digestive issues for years, and this is the first book that made everything make sense.
The author explains how the vagus nerve connects our physical and emotional health in such a simple, clear way.
I loved the balance of science and practical techniques—nothing too extreme, just small things that actually work.
Since incorporating the daily practices, I’ve felt more energy, less bloating, and way more emotionally grounded.
It’s one of those books that feels like it was written just for you. Whether you’re curious about the gut-brain connection or looking for tools to support your health naturally, this is a must-read.
I feel more in tune with my body than I have in a long time.
Definitely one of the most useful books I’ve read this year.

[Mira · Rating 4 out of 5]

5

This book offers a comprehensive exploration of the gut-brain connection, providing a clear and accessible guide to improving overall well-being.

The author's approach is engaging and practical, making complex concepts easy to understand. The combination of nutrition advice, mindfulness techniques, and simple exercises is a standout feature, offering readers a holistic approach to managing stress and improving mental clarity.

The bonus section on the vagus nerve adds valuable insights into stress management and sleep improvement. While some readers may desire more in-depth scientific explanations, this book is an excellent starting point for those seeking to improve their physical and mental health.

With a strong 4-star rating, it's a recommended read for anyone interested in the gut-brain connection.

[Eight Son · Rating 5 out of 5]

Being a sweet lover, I was really surprised when I found out that consuming high amounts of sugar can lead to mood swings, which further cause an emotional rollercoaster with peaks of energy followed by steep crashes. This further leads to lack of concentration.

This book has all the information that one needs to learn and adapt for a better well being. This book also provides herbal remedies and natural supports that help a person to become stable both mentally and physically. The author wrote this book in very subtle language and overall explained the concepts in an insightful pattern.

The author's effort is truly appreciable. I learned a lot on how to ease my mind and I will suggest this to everyone be it youth or elderly. Everyone should at least go through this book at least once.

[Steve Smith · Rating 5 out of 5]

-"The GUT-BRAIN Connection and vagus nerves wonders series" book is written by author N.R.Sterling is a transformation guide that shows how deeply your intestine is associated with your mind. The book shows that digestion is not just a physical process; This affects your emotions, stress reaction and overall clarity. Author N. R. Sterling beautifully explains the role of microbiomas, probiotics and adaptogens in the stabilization of your mood. The guide teaches you how the vagus nerve can restore emotional balance and durability. This is not just the theory-it does not make practices and exercises in real life to bring harmony between the mind and the body. With clear instructions and sincere motivation, this book is for anyone who wants to live a quieter, healthier life with more energy and peace.

[Bapun Chakraborty · Rating 5 out of 5]

This is actually a very helpful book that emphasizes the interconnection between the gut and brain and the hormones present in our body that play a massive role in the mood of an individual.

This book focuses on how to recognise the actions of ourselves that lead to the changes in the functioning of hormones in our body and how to overcome the issue of hormonal imbalance that leads to depression and anxiety. This book also taught me that a happy gut leads to a happy mind and a happy mind leads to a healthy lifestyle.

This book can be categorized into self help genre as it aims to help people suffering with anxiety disorder and depression. Reading this masterpiece surely helped me a lot and without a doubt I would highly recommend this to everyone out there.