Education · Online Courses

Learn natural wellness from someone who actually does the science

Self-paced online courses developed and taught by Dr. Jessie Cavanaugh, PhD. Harvard-trained clinical researcher, 30 peer-reviewed publications, founder of the Nutraceuticals Research Institute. Evidence-based education grounded in published research, not wellness mythology.

Why this is different

The wellness world is full of noise. You deserve clarity.

Every time you look for answers on natural health, you find conflicting information, marketing disguised as education, and tips without any explanation of why something works or when it does not. Most natural wellness education comes from people who have never read the actual research, let alone conducted it.

NRI's online courses are built on the same evidence base that powers Dr. Cavanaugh's published clinical trials. When she explains why elderberry works, she is drawing from the world's largest elderberry RCT, a study she designed and ran. When she explains lavender safety, she is citing her own epidemiological research. The evidence comes directly from the researcher.

30+ peer-reviewed publications behind the curriculum
Harvard-trained clinical researcher as your instructor
Evidence-based preparation methods from actual trial protocols
Critical evaluation skills so you can navigate the wellness world without getting fooled
Insights from ongoing studies not yet published
Woman learning online
Self-paced means you learn when it fits your life. The research does not change based on your schedule.
Your learning journey

Start with Foundation. Go as deep as you want from there.

The program is structured so you always know where to start and what comes next. Everyone begins with Foundation. Continue into Application and Specialization tracks based on your goals.

01 Start here
Foundation

Build your framework. Learn to evaluate evidence. Make your first evidence-based preparations. The starting point for everyone.

02 Optional upgrade
Application

Go deeper into herbalism, aromatherapy, and nutraceuticals. Advanced application methods. For those who want the complete picture.

03 Optional tracks
Specialization

Focus on what matters to you. Mental Wellness, Women's Health, Pediatric Health, Healthy Aging, Environmental Health, or Advanced Research Evaluation.

Tier 1

Foundations of Natural Wellness

The starting point for everyone. Five weeks of evidence-based education taught by a clinical researcher who has published on the topics you are learning about.

Elderflower syrup
Week 3 is where you make something. Elderberry syrup, healing salves, aromatherapy inhalers. The same methods used in NRI's clinical trials.
Tier 2

Application: The Complete Natural Wellness Program

For those who want to go deeper. Comprehensive coverage of herbalism, aromatherapy, and nutraceuticals with advanced safety training and application protocols. Includes everything in Foundation plus significantly more.

Includes Foundation · Self-paced
Complete Natural Wellness Program
Foundation plus advanced modules 12 months access CE credits available

Everything in Foundation plus a comprehensive deep dive into herbalism, clinical aromatherapy, and nutraceutical science. Advanced safety protocols, drug-herb interactions, special populations, and the research methodology to evaluate new claims as they emerge.

Designed for practitioners who want a complete evidence-based natural health toolkit and serious enthusiasts who want the same education without the clinical practice component.

$397 One-time payment · 12 months access · Foundation included
Enroll in Complete Program
Tier 3

Specialization tracks

After completing Foundation or the Complete Program, choose a specialization track based on your clinical focus or personal interest.

Mental Wellness

Stress, anxiety, sleep, cognitive function, and mood. Adaptogens, nervines, and the neuroscience behind botanical interventions for mental health support.

Women's Health

Hormonal health, menopause, cycle support, pregnancy, and postpartum. Evidence-based botanical and nutritional interventions across the female lifespan.

Pediatric Health

Safe, evidence-based natural health for children. Age-appropriate dosing, safety considerations, and published research on botanical interventions in pediatric populations.

Healthy Aging

Cognitive aging, longevity research, mitochondrial function, and the evidence behind Mediterranean lifestyle interventions. Built on published geroscience.

Environmental Health

Toxin exposure, detoxification pathways, and evidence-based approaches to reducing environmental health burden. What the research actually shows.

Advanced Research Evaluation

For practitioners who want to read and critically evaluate primary research. Study design, statistical literacy, and how to assess the quality of any clinical trial.

Child in lavender field
The Pediatric Health track is built on NRI's published research. When we say safe for children, we mean tested in children and published in peer-reviewed journals.
What every course includes

The same standards across every program

Video lessons with download access
Evidence-based materia medica for key botanicals
Downloadable preparation protocols
Research summaries in plain language
Critical evaluation worksheets
Personal action planning tools
Certificate of completion
Access to new content added during your access period
Insights from Dr. Cavanaugh's ongoing unpublished research
Community access for questions and discussion

Every lesson is taught by Dr. Cavanaugh personally. When she says something works, there is a citation behind it. When there is not, she says so.

Frequently asked

Questions about NRI online courses

Who are these courses for?

Anyone who wants to learn about natural wellness from someone who actually conducts the research. The Foundation course is appropriate for complete beginners. The Complete Program and specialization tracks are well-suited for practitioners, health coaches, and serious enthusiasts who want comprehensive evidence-based education.

How is this different from other natural wellness courses?

Most natural wellness education is taught by practitioners who interpret research created by others. NRI courses are taught by the researcher who conducted some of the primary studies behind the content. When the elderberry lesson references an RCT, it is Dr. Cavanaugh's own trial. That is a different level of primary knowledge.

Do I need a science background?

No. The Foundation course is specifically designed for people without a science background. Research concepts are explained in plain language. The goal is to give you the tools to evaluate evidence, not to make you a researcher.

Are CE credits available?

CE credits are available for certain programs and professional bodies. Contact us for current CE accreditation status for your specific credential.

Can I upgrade from Foundation to the Complete Program later?

Yes. If you start with Foundation and want to continue, you can upgrade to the Complete Program and pay only the difference. You will not lose your progress or need to repeat content you have already completed.

How does self-paced work?

You access the course material any time, at your own pace, for the duration of your access period. Six months for Foundation, twelve months for the Complete Program. Most students complete Foundation in three to six weeks.

Start with Foundation

Five weeks. Evidence-based. Taught by a clinical researcher. The clearest natural wellness education available.

Enroll now