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Nutrition 221 — at a Glance
| Course: | The Gut/Brain Connection · 2 PACE-approved CE hours |
| Faculty: | Howard Benedikt, DC, DCBCN · Clinical Nutrition Faculty, CCEDseminars |
| Format: | On-demand online video with assessment · downloadable handouts · instant certificate |
| Pricing: | $20/hr · automatic 10% off at 6–9 hrs, 20% off at 10+ hrs in one order · no promo codes |
| Approval: | PACE Provider #34015544 · co-sponsored by Texas Chiropractic College · acceptance varies by state |
Board-approved · PACE Provider #34015544 · CE Broker auto-reporting for states served · Instant certificate
The gut carries more than 500 million neurons of its own — more than the spinal cord — and it talks to the brain all day long through the vagus nerve, the immune system and the microbiome. Nutrition 221 examines that bidirectional communication network: the enteric nervous system as the “second brain,” how gut-barrier dysregulation and neuroinflammation drive anxiety, depression and autism-spectrum findings, and how nutritional modulation improves clinical outcomes for patients with gut-brain axis dysfunction.
Dr. Howard Benedikt works through the role of the enteric nervous system in chiropractic applications and how ENS dysfunction produces the systemic presentations — fatigue, mood change, musculoskeletal pain — that accompany chronic gut trouble; the relationship between anxiety, depression and gut function through dysbiosis, leaky gut and neuroinflammation; tight-junction breakdown, antigen translocation and the cytokine cascades (IL-1 beta, IL-6, TNF-alpha) that activate the HPA axis; the emerging evidence linking microbiome composition to autism-spectrum symptoms; and the targeted diet, probiotic and supplementation strategies that put the axis back to work.
Choose Your Nutrition Path — Three Lanes, One Curriculum
The Nutrition library — sixty-eight courses by Howard Benedikt, DC, DCBCN — organizes into three working lanes: the gut, the brain, and the conditions you already treat. Nutrition 201–210 is the foundation block, 211–220 the second, 221–230 the third, 231–240 the fourth, 241–250 the fifth, and 201–224 together form the 48-hour Clinical Nutrition Certification (CNC). Two hours each.
1 · Gut, Microbiome, Digestion and Detoxification
Where nutrient status is decided and where systemic inflammation is won or lost — from the intro principles of micronutrients and absorption to the microbiome, the liver’s biotransformation pathways, the GI disease files, the gut/brain connection, functional GI testing, and digestive enzymes. You are here: Nutrition 221.
201: Introduction to Clinical Nutrition
205: Detoxification
207: Microbiota & the Musculoskeletal System
208: Detoxification II
213: Gastrointestinal Disease & Nutrition
214: An Integrative Approach to Gastrointestinal Disease II
221: The Gut/Brain Connection
225: Functional Medicine Testing for GI Disturbances
248: Maximizing Health Through Proper Digestion and Absorption
2 · Brain, Mood, Stress and the Nervous System
Nutritional neurology — the headache patient, the stress physiology your patients carry through the door, the brain-game files on how food drives cognition, the nutrition-and-mood pair, the fatigued patient, memory and dementia, nervous-system function, chronic fatigue with myofascial pain, the concussion protocol, the maladaptive stress response, and the fatigue work-up.
203: Nutritional Management of Headaches
204: Chiropractic Nutrition for Stress Management
211: The Brain Game — How Nutrition Impacts Brain Function
212: The Brain Game II — How Food Impacts Brain Function
218: Nutrition and Mood
219: Nutrition and Mood II
228: Dealing with Fatigue in Clinical Practice
233: Memory, Dementia, and Chiropractic Care
234: Optimal Nervous System Function & Nutrition
237: Chronic Fatigue and Myofascial Pain Syndrome — an Integrative Approach
240: Nutritional Management of Concussions in a Clinical Setting
242: Maladaptive Stress Response & Musculoskeletal Disease
244: Managing the Fatigued Patient
247: Optimizing Nervous System Function with Nutrition
3 · Musculoskeletal, Immune, Hormonal and Clinical Conditions
Nutritional management layered onto what you already treat — arthritic and autoimmune joints, neuropathy and neuropathic pain, immune resilience and the cold-and-flu season, lipids and cholesterol, antioxidants, endocrine disruptors, the thyroid and hormone-testing files, menopause and estrogen, vitamin D, sports injuries, diet and chronic disease, women’s musculoskeletal health, the pain files, the pediatric pair, osteoporosis, and the commonly seen conditions.
202: Nutritional Management of Arthritic Disease
206: Management of Neuropathy
209: Nutrition & the Immune System
210: The Fat Story & Cholesterol
215: Antioxidants in Health and Disease
216: Antioxidants in Health and Disease II
217: Endocrine Disruptors in Health & Disease
220: Management of Autoimmune Disorders — Rheumatoid Arthritis
222: Assessing Thyroid Health in Clinical Practice I
223: Assessing Hormones in Clinical Practice I
224: Assessing Hormones in Clinical Practice II
226: Women’s Health Issues — Focus on Menopause and Estrogen
227: Vitamin D & Musculoskeletal Health
229: Nutritional Management of Sports Injuries
230: A Primer on the Role of Diet and Chronic Disease
231: Women’s Health Issues and the Musculoskeletal System
232: An Integrative Approach to the Musculoskeletal System
235: Pediatric Nutrition & Chiropractic I
236: Pediatric Nutrition & Chiropractic II
238: Chiropractic and Osteoporosis
239: Treating Commonly Seen Conditions in Chiropractic Practice
241: Strengthen Your Immune and Musculoskeletal System through Nutrition and Chiropractic
243: Joint Pain & Inflammation
245: Natural Remedies for the Pain Patient
246: Keeping Healthy During Cold and Flu Season
249: New Strategies for Pain Management in the Chiropractic Setting
250: Neuropathic Pain Management
Every course in the series is 2 PACE-approved CE hours at $40, and the automatic bundle discounts apply across the whole lane. The full 68-course catalog continues on the Nutrition category page.
What You’ll Learn in Nutrition 221
Discuss the role of the enteric nervous system in chiropractic applications and explain how ENS dysfunction contributes to systemic clinical presentations.
Describe the bidirectional gut/brain connection — vagal signaling, the enteric nervous system and the neuroimmune relationship that shapes both gut and brain function.
Explore the relationship between anxiety, depression and gut function, including how dysbiosis, leaky gut and neuroinflammation drive mood disorders.
Explain gut-barrier dysregulation — tight-junction breakdown, antigen translocation and systemic immune activation — and the inflammatory cascades that connect it to the HPA axis.
Outline autism and its correlation with gut function, reviewing the emerging evidence linking microbiome composition to neurodevelopmental symptoms.
Provide insights for improving clinical outcomes through nutritional modulation — targeted diet, probiotic and supplementation strategies for gut-brain axis dysfunction.
Your Nutrition Faculty
Howard Benedikt, DC, DCBCN — instructor of this course. Board-certified chiropractic clinical nutritionist, Diplomate and President of the Chiropractic Board of Clinical Nutrition, with more than 30 years in clinical nutrition and functional medicine. He authors all 68 courses in the CCEDseminars Nutrition library and the Clinical Nutrition Certification (CNC) track at its core, and is known for translating complex nutritional biochemistry into practical, office-ready protocols — here, the enteric nervous system and the gut-brain axis.
Full bio and the complete instructor roster: CCEDseminars faculty page.
Where Nutrition CE Hours Count — State Rules Worth Knowing
Nutrition coursework is clinical subject matter — assessment, clinical reasoning and nutritional management of patient conditions — which is exactly what several state boards ask for. In Iowa, these hours serve the 36-hour clinical case-management minimum; in Rhode Island, they address the 50-of-60 clinical requirement; and in Vermont — where practice-building coursework earns nothing — patient-care education like this counts fully under the clinical-focus rule.
Online-format allowances still vary by state — some accept every hour online, others cap distance learning or require in-person blocks. Check your state’s guide in the full state directory before building your renewal plan.
Build Your Nutrition Block — or Take the Credential
Every course in the Nutrition series runs 2 hours at $40, so the automatic discounts do the bundling for you: 6–9 hours in one order earns 10% off, and 10 or more earns 20% off — any ten courses from the series is 20 hours, which clears the 20% tier at roughly $320 instead of $400, with no promo codes. The Gut/Brain Connection pairs naturally with Nutrition 225 on functional GI testing and Nutrition 218 on nutrition and mood; the three together reach 6 hours and the 10% tier. Pursuing the credential? The Clinical Nutrition Certification (CNC) packages Nutrition 201–224 — 48 hours — in a single $960 checkout. Browse Nutrition Courses
Nutrition 221 — Frequently Asked Questions
What does Nutrition 221 cover?
Nutrition 221 covers the gut/brain connection for chiropractors: the enteric nervous system as the “second brain,” bidirectional communication through the vagus nerve, the neuroimmune relationship, gut-barrier dysregulation and neuroinflammation, how those mechanisms drive anxiety, depression and autism-spectrum findings, and the nutritional modulation that improves outcomes. Also known as the gut-brain axis, the enteric nervous system course, or gut-brain nutrition for chiropractors.
What is the enteric nervous system and why does it matter to chiropractors?
The enteric nervous system is an independent neural network embedded in the walls of the gastrointestinal tract — more than 500 million neurons, more than the spinal cord. It regulates motility, secretion and immune function while communicating with the central nervous system through the vagus nerve. Chiropractors who understand ENS dysfunction can explain the systemic presentations — fatigue, mood change, musculoskeletal pain — that ride along with chronic gut dysfunction.
How does gut-barrier dysfunction contribute to anxiety and depression?
When intestinal tight junctions break down, bacterial fragments (LPS), undigested proteins and microbial metabolites reach systemic circulation and trigger immune activation. The resulting neuroinflammation — IL-1 beta, IL-6 and TNF-alpha — disrupts neurotransmitter synthesis, activates the HPA axis and impairs neuroplasticity. Dysbiosis and elevated intestinal permeability are consistently linked to major depressive disorder and anxiety, which makes microbiome modulation a real therapeutic target.
What is the gut-autism connection covered in the course?
Up to 80% of children on the autism spectrum experience gastrointestinal problems, and their microbiome composition differs measurably from neurotypical controls. The gut-brain axis is implicated through altered serotonin signaling, short-chain fatty acid production and vagal dysregulation. Nutrition 221 reviews the evidence and how dietary and microbiome interventions may modulate symptom expression.
How many CE hours is it, and where does it sit in the Nutrition series?
It is 2 PACE-approved CE hours. Nutrition 221 sits in the gut, microbiome and digestion lane of the Nutrition series with Dr. Howard Benedikt, alongside Nutrition 201 (Introduction), 205 and 208 (Detoxification), 207 (Microbiota & the Musculoskeletal System), 213 and 214 (Gastrointestinal Disease) and 225 (Functional Medicine Testing for GI Disturbances), and is a core module of the Clinical Nutrition Certification.
State Approval and Licensing Reminder
Continuing education requirements — including online-hour caps and clinical-hour minimums — vary by jurisdiction. Review the online chiropractic CE guidelines page and contact CCEDseminars with questions about your specific licensing requirements before registering.
Ready to Enroll in Nutrition 221?
The anxious, the depressed and the fatigued patient are often carrying a gut problem upstairs. Two hours here give you the enteric nervous system, the barrier-and-inflammation mechanisms and the nutritional strategies to treat the axis instead of the symptom.
CCEDseminars · PACE Provider #34015544 · Reviewed by Monte Horne, DC · Last updated September 2026 (CT)