School of Natural Medicine UK Student photo

School of Natural Medicine UK is founded on a rich tradition of pure Naturopathy.

Integrating board accredited academic study with skills based training and experiential self healing, we offer small class sizes, a global community of students and graduates, and personal connection through individually mentored study.

Course Options

Explore our course options by scrolling downwards, or through the drop down menu below:

For more information, to receive our prospectus, or to be added to our newsletter list, please contact us through this link, or through the form below.

We are delighted that you found our school and look forward to hearing from you!

Professional board accredited diploma training and online certification courses in pure Naturopathy, Herbal Medicine, Healing Diets, Quantum Botanicals and Iridology.

School of Natural Medicine UK also awards the Natural Physician diploma to those students who complete their studies in the philosophy and practice of the full system of natural medicine that we teach.

Course Options

Students receiving their Iridology and Foundation of Natural Medicine Immersion certificates.
Diploma Courses

Professional, board accredited courses that combine distance learning with in-person immersion trainings.

Options include:
Healing Diets Nutritional Consultant
Master Herbalist
Quantum Botanicals Advanced Therapist
Master Iridologist
Naturopath Diploma
Natural Physician Diploma

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Studying Iridology and the Foundation of Natural Medicine
Online Certification Courses

Professional, board accredited distance learning courses that are individually mentored by school founder, Bonny Casel.

Options include:
Healing Diets Coach
Herbal Practitioner
Quantum Botanicals Therapist
Iridology Certification
Naturopathy Certification
Natural Physician Certification

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Student drawing bluebells as part of Naturopathy training
Independent Study Courses

Independent Study provides an unmentored option for those who are not looking for a professional qualification, yet are inspired to study at a professional level for their own enrichment and self healing.

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Immersion Trainings

Students preparing food at the Healing Diets Immersion
Healing Diets Immersion

The Healing Diets Immersion is a delicious, delightful, hands-on education in raw food preparation that provides the foundation for inspired, creative use of therapeutic nutrient dense foods. Students participate in establishing the rhythms of a living raw food kitchen, including sprouting and fermentation, a range of dehydrating projects, juicing, raw desserts, nut and seed milks, and much more.

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Students learning about herbs at the Herbal Medicine Immersion
Herbal Medicine Immersion

The Herbal Medicine Immersion instils an authentic relationship with plant medicine in daily practice, as students explore the multi-dimensional therapeutic qualities of plants through hands-on creation of formula, tinctures, salves, distillations, infused oils, flower essences and experiential treatment with poultices, packs and foot baths.

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Students learning about healing touch at the Essential Oils Immersion
Essential Oils & Healing Touch Immersion

The Essential Oils and Healing Touch Immersion focuses on experiential healing processes that combine essential oils with techniques to balance sympathetic and parasympathetic nervous system function and heart-brain coherence, allowing for deeper connection and receptivity to healing. In the second week, healing processes shift to the study of healing touch.

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Students taking notes at the Quantum Botanicals Immersion
Quantum Botanicals & Flower Essences Immersion

Through lectures and experiential classes, students explore the world of plants, both physically and vibrationally, with reference to studies of plant consciousness, plant senses, the 12 windows of perception and human-plant resonance. Study flower essences, felt sense, heart-brain coherence, brain hemisphere processing, and the language of feelings and emotions.

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Student sharing her iris mind map at the Iridology Immersion
Naturopathy & Iridology Immersion

The Naturopathy & Iridology Immersion is open to all students enrolled in a certificate or diploma course, as the content is profoundly enriching to all areas of natural medicine study and practice. Learn the fundamentals principles of naturopathy as they apply to self care, self healing and clinical practice, and explore the profound visual language of the iris.

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Student enjoying beautiful flowers at Kew Gardens 2018
Self Healing Module

The Self Healing module is a core part of diploma training. Here each student has the opportunity to personally experience the complete system of natural medicine that we teach. The focus of Self Healing is direct experience of dietary changes, herbs, essential oils and flower essences, supported by lifestyle and natural therapies.

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Our Mission

  • To teach an authentic system of natural medicine, mindful of the core principles of naturopathy, and integrated with current research.

  • To teach students how to establish cooperative, co-creative relationships with patients that inspire and support meaningful life change.

  • To inspire students to go beyond memorizing information, to truly living what they are learning, so that natural medicine becomes a life-long passion that supports personal health and professional success.

  • To provide an educational environment where self healing goes hand-in-hand with academic study, so that graduates can enrich their practice through personal experience.


School founder, Bonny Casel ND, began her studies with natural health pioneers Dr. Bernard Jensen, Dr. John Christopher and Dr. Farida Sharan in the 1970's. She has been teaching Naturopathy, Herbal Medicine and Naturopathic Nutrition since 1988, and founded School of Natural Medicine UK in 2007. To find out more about our history, follow this link

About Us
Training with Dr Bernard Jensen in 1981
School History
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Bonny Casel ND
School Tutors
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Graduate teaching a Healing Diets class
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Quantum Botanicals students at Kew
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School of Natural Medicine UK has been recognised as a 'Centre of Excellence' by The Complementary Medical Association (The CMA) and we hold full Training School Membership. 

The Complementary Medical Association is the world’s largest and most highly respected professional membership association. The organisation has been established for over 25 years and they work closely with conventional medicine by sharing research and education to doctors about the natural healthcare field and why they should incorporate complementary medicine (as provided by qualified CMA Members) into their practices. 

Our online certification and diploma course graduates are eligible for full professional membership.


The American Association of Drugless Practitioners Certification and Accreditation Board was established in 1990 and is one of the longest standing and most respected accrediting body for natural therapies. The AADP is  dedicated to promoting an enhanced professional image and prestige among  practitioners of traditional and non-traditional therapies and methodologies.

The AADP’s national and international membership body of over 21,000 is made up of MDs, NDs, DCs, OMDs, PhDs, RNs, Health Coaches, and other  “drugless” practitioners.

Our online certification and diploma course graduates are eligible for professional membership.


The American Alternative Medical Association is a division of the American Association of Drugless Practitioners Certification & Accreditation Board, dedicated to doctors of traditional and non-traditional therapies and methodologies.

The AAMA’s national and international membership body is made up of NDs, NMDs, DNs, DOs, DCs, PhDs, MDs, DDSs, AyDs, DDs, OMDs, and other alternative health care doctors.

Our diploma course graduates are eligible for professional membership.


The British Flower and Vibrational Essence Association (BFVEA) is a friendly association that was established in 1998 to support and serve the best interests of all practitioners of flower and vibrational essence therapy as well as providing an information resource for the general public.

In 2013 BFVEA helped form the essence therapy lead body - The Confederation of Registered Essence Practitioners ( - which now serves as the knowledge base for essence practice in the UK.

Our Quantum Botanicals, Quantum Botanicals Advanced and Natural Physician diploma graduates are eligible for professional membership.

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