Clinician's Curated Resource Library
Organized into two easy sections: The Clinician's Supplement LibraryClinical Condition Reference GuidesThe Clinician’s Curated Supplement Library
Evidence-based supplement guides for dietitians who want to understand the science—not just the hype.
Not every supplement deserves your attention—but some deserve your understanding.
**Any and all resources purchased are for your individual use and reference. It is prohibited to share these with another clinician or a client.
Kidneys and Supplement Safety Guide
We use a lot of supplements when healing people’s guts. What about when those people have compromised kidneys? Will our supplements do harm? Use this reference list to guide your choices.
This 12 page document has several charts organized by whether a supplement is safe and renoprotective, presumed safe, safety is controversial, or unsafe. There is also a 5R chart for quick reference to gut healing supplements frequently used and if they are safe for people with kidney disease and if there are any safety concerns in people without kidney disease.
This document is the product of hundreds of hours of research; included is 7 pages of references and citations.
Brain Health Supplement Guide
Want a quick-reference guide to the best supplements for brain health?
This easy-to-use, 4-page supplement guide includes a convenient chart outlining supplement names, recommended brands, key ingredients, and their uses and purposes—so you can quickly find the information you need.
Supplementation (5R) in Pregnancy & Lactation
Supporting Gut Health During Pregnancy or Breastfeeding
Gut health can be especially important during pregnancy and breastfeeding—but not every supplement is appropriate during this time. This quick-reference guide provides a list of common supplements and indicates whether they are considered safe, should be used with caution, or should be avoided during pregnancy and breastfeeding.
Colostrum Supplement Guide
Colostrum is one of my favorite supplements for supporting gut health, and it offers benefits beyond the gut, too! This in-depth reference guide breaks down what colostrum is, its key components and their roles, who may benefit from it, who should avoid it, and my favorite brands and dosing recommendations.
This one is included in my Mastering Gut Healing course!
Inositol Reference Guide
Inositol is a fascinating nutrient-like compound with a wide range of potential benefits. This easy-to-reference guide explores what inositol is, its different forms, the benefits of each, and common dosing recommendations so you can better understand which type may be right for your clients.
Herbs vs Microbes
Herbal antimicrobials are commonly used to support clients with dysbiosis, but do you know which herbs have activity against specific dysbiotic microbes?
This 5-page reference guide makes that information easy to find. It includes two practical charts: one organized by herb, showing the bacteria each herb may target, and another organized by microbe, listing potential herbal options to consider. Extensive citations are provided at the end, making this a valuable evidence-informed resource when incorporating supplements into individualized treatment plans.
Sleep Supplement Reference Guide
Plenty of clients need support with sleep. This handy 2-page reference guide provides a quick-reference chart of sleep supplements, including supplement name, brand, key ingredients, purpose, and dosing—making it easy to compare options and find the right information when building a sleep-support protocol.
NMN Reference Guide
NMN is a popular longevity supplement, but what exactly is it, how does it work, and what should you look for when choosing a product? This reference guide covers what NMN is, how it supports NAD+ production, potential benefits, dosing considerations, and recommended brands—all in one easy-to-reference resource.
Magnolia Bark Extract Supplement Guide
Magnolia bark extract has a wide range of potential applications, particularly for stress, relaxation, and sleep support. This reference guide covers what magnolia bark is, its active compounds, potential benefits, dosing considerations, and product recommendations, all in one easy-to-use resource.
Baicalin Supplement Reference Guide
This supplement, aka Chinese Skullcap, is a fascinating compound with a variety of potential applications. This reference guide covers what baicalin is, how it works, its potential benefits, dosing considerations, and product recommendations—giving you a quick, easy-to-reference resource when considering baicalin supplementation. Learn about baicalin and Il-6 and dosing suggestions.
Black Seed Oil Supplement Reference Guide
Black seed oil is gaining attention as new research highlights its potential as a powerful antioxidant and gut antimicrobial. This reference guide explores the latest research, key active compounds, potential applications, dosing considerations, and product recommendations—all in one convenient, easy-to-reference resource.
Triphala Supplement Reference Guide
Triphala is a traditional Ayurvedic formula with growing interest for gut health and digestive support. This guide covers what triphala is, its three key herbs, potential benefits and applications, how it may support the gut, dosing considerations, and product recommendations
Sulforaphane Reference Guide
Sulforaphane has been the subject of extensive research, with a growing body of evidence supporting a wide range of potential health benefits. This guide provides a listing of sulforaphane’s benefits, along with key information on its uses, forms, dosing, and supplementation.
Rosemary Supplement Reference Guide
Rosemary is much more than a culinary herb. Extensive research has explored its potential benefits for brain health, antioxidant protection, inflammation, digestion, and more. This guide covers the benefits of rosemary, its active compounds, potential uses, dosing considerations, and supplementation options.
Adrenal Support Supplement Reference Guide
This easy-to-reference chart provides a list of ingredients that support healthy adrenal function, including adaptogens. Each ingredient includes its specific role, research citations, and recommended dosing, making it a practical resource for choosing and using adrenal support supplements.
Creatine Supplement Reference Guide
Creatine is far more than a sports supplement. This concise, evidence-based resource covers how creatine works, benefits beyond strength and muscle—including healthy aging and brain health—dosing options, loading vs. daily dosing, safety considerations, and practical counseling points. A quick reference for answering common questions and making informed recommendations.
Turmeric Supplement Reference Guide
Turmeric and its active compound, curcumin, have a wide range of potential applications, particularly for inflammation and antioxidant support. This reference guide covers the benefits of turmeric and curcumin, how they work, dosing, bioavailability and absorption considerations, supplement forms, and potential side effects and precautions. Research citations are included for further reference.
Alpha-Lipoic Acid Supplement Reference Guide
Alpha-lipoic acid (ALA) is a unique antioxidant involved in mitochondrial energy metabolism, oxidative stress, inflammation, and glucose regulation. This 4-page reference guide covers how ALA works, its potential benefits and applications, forms and dosing, side effects, and safety considerations, with research citations included for further reference.
**Disclaimers:
These resources herein belong exclusively to Health Takes Guts, Inc and its author, Dianne Rishikof. All copyrights and trademarks remain exclusively owned by the author and/or Health Takes Guts, Inc. No part of this publication may be reproduced, transmitted, or sold in whole or in part in any form. These resources may not be shared.
Clinical Condition Reference Guides
Think like a functional nutrition detective.
These aren’t textbook summaries or AI-generated handouts. They’re the clinical frameworks, physiological connections, and evidence-based supplement guides I’ve developed after years of helping patients with complex digestive and metabolic conditions. These guides help you think through cases with more confidence: ALL AT YOUR FINGERTIPS, in one reference guide.
My goal isn’t to JUST give you more information; I passionately want to help dietitians become better clinical thinkers.
So I created these resources:
Fatty Liver Reference Guide
A practical resource for supporting fatty liver with key nutrients and supplements, dietary strategies, and targeted interventions to support liver health and metabolic function. An entire section relates to fatty liver and gut health (dysbiosis, SIBO, LPS, etc).
This easy-to-reference guide makes it easy to create individualized nutrition protocols.
Bile Acid Malabsorption Reference Guide
Bile acid malabsorption and bile acid diarrhea are real problems that we need to be able to spot. It has been speculated that upwards of 1/3 of IBS-D are actually bile acid diarrhea. This reference guide has information on the types of bile acid malabsorption, the causes, how it all relates to the gut (bi-directional with SIBO, dybiosis, and leaky gut), and complications (spoiler-high triglycerides).
Triglyceride & Gut-Liver Axis Flow Chart
An original visual resource that clearly at-a-glance shows the cause and effect connections between dysbiosis, leaky gut, inflammation, bile acid malabsorption, fatty liver, high triglycerides, menopause, insulin resistance, and more! This is a must-have!
Triglyceride Resource
This thorough reference guide covers the causes and complications of high triglycerides, along with important connections to bile acid malabsorption, insulin resistance, fatty liver, and gut health. It also includes practical treatment strategies covering diet, lifestyle, and supplements to help address elevated triglycerides from multiple angles.
Hydrogen Sulfide SIBO Reference Guide
The ultimate quick-reference guide to a less easily detected form of SIBO that can present with a wide range of symptoms. This guide covers how symptoms may show up, diagnostic considerations, testing, and treatment options, providing a comprehensive resource for navigating this complex form of dysbiosis.
The Low Sulfur Diet Resource
A practical dietary resource to complement the Hydrogen Sulfide SIBO Reference Guide. Provides guidance on using a low-sulfur diet as one possible dietary approach when working with clients experiencing hydrogen sulfide–related symptoms.
Interstitial Cystitis Reference Guide
What happens when clients working on gut health also have interstitial cystitis (I.C.)? Can commonly used gut-healing supplements be helpful, or could they potentially aggravate symptoms?
This 5-page reference guide, including citations, summarizes what is currently known about the relationship between I.C. and commonly used gut health supplements, highlighting potential concerns, considerations, and areas where evidence is limited.
Exercise Intolerance Reference Guide
Exercise intolerance can show up in many different ways and may have a variety of underlying contributors. This reference guide explores common causes, symptoms, contributing factors, and nutritional considerations, along with strategies to help identify potential issues and support clients who struggle with exercise tolerance.
Colon Cancer: Reducing Risk Reference Guide
A practical reference guide exploring the dietary, lifestyle, and nutritional factors associated with colon cancer risk. Includes key considerations for supporting a healthy gut and colon, along with strategies that may help reduce risk.
Alpha Gal Syndrome (Tick Bite) Reference Guide
Have a client with unexplained or unusual GI symptoms, such as recurrent or seemingly random vomiting? Alpha-gal syndrome is an often-overlooked condition that can cause a range of reactions to red meat and other mammalian products following a bite from certain ticks. This reference guide covers what alpha-gal syndrome is, common symptoms, potential triggers, testing, and dietary considerations to help you recognize when it may be worth considering.
Chronic Bloating and Abdominal Distention Resource
This comprehensive reference guide explores what bloating and abdominal distention are, how they differ, and what can cause each. It also covers treatment approaches and important clinical considerations, with extensive research citations provided at the end
Gallstones Resource
This reference guide covers what causes gallstones, risk factors, and dietary and lifestyle considerations for supporting clients with gallstones. Pairs well with the Gallbladder Resource, which addresses a different client population and complementary considerations.
Gallbladder Resource
This extensive reference guide covers supplements that support gallbladder function, bile production and flow, and the gallbladder-liver-gut axis. The supplement charts are organized by function, including supplements that may help produce bile, thin bile, and promote bile flow.
Includes 7 pages plus citations. This is an important companion to the Gallstones Reference Guide as these supplements are not appropriate when gallstones are present.
Abdominophrenic Dyssynergia Resource
This resource walks you through what this condition is, common signs and symptoms—including distention—potential causes, and treatment options. A practical guide for recognizing the condition and considering appropriate next steps.
Skin & Functional Nutrition Reference Guide
The ultimate resource for skin health and functional nutrition. This 12-page guide covers the basics of skin health, the gut-skin connection, nutrition, and supplements, followed by dedicated sections on acne, psoriasis, rosacea, and eczema.
Each condition includes nutrition and supplement recommendations, plus an easy-to-reference summary table that brings the key information together. Essentially, several skin health reference guides in one!
Ehlers Danlos Syndromes Resource
Ehlers-Danlos syndromes are increasingly recognized in clinical practice and can present with a complex range of symptoms and comorbidities. This reference guide covers potential causes, signs and symptoms, common comorbidities, the connection between EDS and gut health, and treatment considerations, with a focus on how nutrition and dietary strategies can support management.
Chronic Hives Reference Guide
Chronic hives can be frustrating to manage, especially when the underlying cause isn’t clear. This reference guide explores potential causes and triggers, common signs and symptoms, contributing factors, and nutritional strategies that may help. A practical resource for understanding chronic hives and identifying ways nutrition and supplementation may support management.
Gastroparesis Reference Guide
This 4-page reference guide provides a thorough yet easy-to-access overview of gastroparesis, so you can quickly get up to speed when working with a client with this condition. Covers what gastroparesis is, common causes, signs and symptoms, diagnostic procedures, medical treatments, dietary strategies, and supplements—all in one convenient resource.
Gastritis Reference Guide
This 3-page reference guide brings together essential information on gastritis for quick and easy access when you need it. Covers what gastritis is, common causes, signs and symptoms, diagnostic procedures, and treatment options, including dietary strategies, supplements, and herbs.
IBS-D Flare Reference & Supplement Guide
When a client is experiencing an IBS-D flare, what can you do to help? This practical reference guide outlines common triggers and causes of diarrhea flares, along with targeted strategies for managing symptoms through diet, supplements, and stress management. A quick-reference resource for navigating an acute IBS-D flare and supporting your client through it.
**Disclaimers:
These Goodies ….
The Goodies herein belong exclusively to Health Takes Guts, Inc and its author, Dianne Rishikof. All copyrights and trademarks remain exclusively owned by the author and/or Health Takes Guts, Inc. No part of this publication may be reproduced, transmitted, or sold in whole or in part in any form. These Goodies may not be shared.