Our History: A Legacy of Healing Wisdom

The School of Natural Medicine offers a profound exploration of the transformative truths found in traditional naturopathy, guided by a curriculum that honors the past while embracing the future.

A Heritage of Excellence

Our foundation is rooted upon a distinguished lineage of natural healing. Director Bonny Casel carries forward a legacy handed down by her primary mentors: Dr. John Christopher, the pioneer of modern herbology, and Dr. Bernard Jensen, the father of clinical iridology.

This tradition began with Bonny’s mother, Farida Sharan, ND, who founded the original British School of Iridology and Natural Medicine in Cambridge in 1977. Today, these teachings remain the cornerstone of our "Pure Naturopathy" philosophy.

A legacy in the making: Bonny Casel (left) studying with the legendary Dr. Bernard Jensen (right) at her mother's school in Cambridge, 1981.

Evolution of the School

In 2007, Bonny Casel founded the School of Natural Medicine in Devon, UK, to provide authentic, high-standard training in:

  • Naturopathy & Preventative Healthcare
  • Naturopathic Nutrition & Healing Diets
  • Traditional Herbal Medicine
  • Vibrational Plant Medicine & Flower Essences
  • Iridology & Systemic Anatomy and Physiology

Her vision was to create a space where students could access deep, skills-based learning that integrates self-healing with professional practitioner training.

Global Reach: Florida, the UK, and Beyond

While our roots are in the English countryside, our mission has grown to meet the needs of a global community. The School of Natural Medicine is now headquartered in Florida, USA, serving as a hub for our worldwide online training platform.

We continue to offer our signature hands-on Immersion Trainings in two primary locations:

  • Cheltenham, UK: Serving our European and British students.
  • Lake Worth Beach, Florida: Our sunny coastal home in the United States.

Our Tutors

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With over four decades of clinical experience, Bonny Casel is a leading voice in the evolution of Naturopathy and Lifestyle Medicine. 

Bonny Casel: Director & Master Practitioner

"The answers we are seeking have been in plain sight all along—in nature, in the seasons, and in the rhythms of life."

About Bonny

Pioneering Integrative Healthcare

Bonny is a dedicated advocate for integrating natural wisdom into modern healthcare systems. She notably developed the first NHS-integrated course focused on the full spectrum of dietary and lifestyle interventions for self-care, delivered to the South London and Maudsley (SLAM) NHS Trust. Today, she continues to offer Lifestyle Medicine for Self-Care consultations and professional training globally.

Professional Affiliations & Accreditations

Bonny’s work is recognized by the industry’s leading regulatory bodies, ensuring that the School of Natural Medicine maintains the highest professional standards:

  • Association of Naturopathic Practitioners (ANP) – Professional Member

A Lineage of Mastery

Since beginning her practice in 1986, Bonny has studied under the world’s most influential trailblazers in Natural Medicine. Her clinical foundation was built through direct mentorship with icons such as Dr. John Christopher, Dr. Bernard Jensen, and her mother, Farida Sharan, ND. Her interdisciplinary expertise also draws from the works of Bruce Lipton, Nassim Haramein, Denny Johnson, and Dorothy Hall.

  • Association of Master Herbalists (AMH) – Professional Member 
  • British Flower and Vibrational Essence Association (BFVEA) – Tutor Member
  • Complementary Medical Association (CMA) – Professional Member
  • General Naturopathic Council (GNC) – Professional Member
  • British Society of Lifestyle Medicine (BSLM) – Professional Member
Our Courses

About Alexandra

Alexandra Axe: Alexandra: Herbalist & Healing Diets Mentor

A graduate of the School of Natural Medicine, Alexandra translates her profound journey of self-healing into expert guidance for the next generation of practitioners.

The Path to Vitality

Alexandra’s expertise is rooted in a lifelong dedication to the transformative power of plants. Her journey began with a transition to a vegetarian and vegan lifestyle, but it was her deep-dive studies into Healing Diets and Raw Veganism that provided the "master key" to the self-healing she had long been seeking. This lived experience allows her to support students not just from a place of theory, but from a foundation of true, realized vitality.

Expertise & Mentorship

As a dedicated Herbalist and Healing Diets Tutor, Alexandra’s passion lies in helping students unlock their own healing potential. Her role at the school combines her extensive knowledge of natural medicine with a compassionate, student-centered approach.

  • Specializations: Healing Diets, Plant-Based Nutrition, Raw Food Alchemy, and Traditional Herbalism.
  • Mission: To empower students to bridge the gap between academic study and the clinical application of holistic nutrition.
  • Student Support: As a mentor, Alexandra is a vital resource for students, offering the insight and encouragement needed to navigate their own transformative paths.
Learn with Alexandra

About Rachel

Rachel KAYE: Alexandra: Herbalist & Healing Diets Mentor

A specialist in the synergy between emotional wellness and botanical wisdom, Rachel Kaye bridges the gap between clinical social work and the restorative power of flower essences.

An Integrative Foundation

With nearly a decade of experience in the social work field, Rachel identified a critical need for a more integrative, mind-body connection in therapeutic sessions. This realization led her to master physical modalities including Swedish massage, trigger point therapy, and myofascial release. Her search for a truly holistic practice—one that addresses the physical and emotional bodies as one—led her to her studies in Quantum Botanicals.

Quantum Healing & Flower Remedies

As a mentor in Quantum Botanicals and Flower Essences, Rachel guides students in reconnecting with their "botanical allies." Her approach is rooted in the belief that human beings are designed to live in communion with the natural world.

  • The Practitioner Path: Since graduating from the School of Natural Medicine, Rachel has successfully launched her own practice, Befriend Botanicals.
  • Specializations: Quantum Botanicals, Flower Essence Therapy, Integrative Bodywork, and Emotional-Physical Synergy.
  • A Holistic Approach: In her private practice and tutoring sessions, she combines flower remedies, felt sense awareness, and bodywork to create a multi-dimensional healing experience.
Learn with Rachel

About Bex

Bex Shindler: Plant-Based Chef & Naturopathic Nutrition Mentor

A specialist in the alchemy of living foods and Ayurvedic wisdom, Bex empowers students to master the art of food as medicine.

The Foundation of Vitality

Bex is a qualified Ayurveda Diet & Lifestyle Consultant and a graduate of our Healing Diets and Naturopathic Nutrition program. Her journey into natural medicine was sparked by her own firsthand experience with the transformative power of plant-based nutrition and living foods. This deep, personal connection to the curriculum allows her to guide students with both clinical expertise and authentic compassion.

Culinary Leadership & The Mindful Kitchen

In 2016, Bex founded The Mindful Kitchen, a health-conscious catering company specializing in plant-based nutrition for retreats and global wellbeing events. Her professional evolution has seen her become a leading educator for aspiring Retreat Chefs, helping passionate cooks build successful careers within the wellness industry.

  • Specializations: Naturopathic Nutrition, Ayurvedic Dietetics, Living Foods, and Retreat Chef Training.
  • Mentorship Style: As a Healing Diets Tutor, Bex bridges the gap between holistic theory and practical, delicious application, ensuring students are career-ready upon graduation.
  • Philosophy: Bex believes that a mindful relationship with food is the cornerstone of vibrancy. By aligning our diets with the rhythms of nature, we create a ripple effect of transformation that extends beyond the plate.
Learn with Bex

Our Core Philosophy: Pure Naturopathy

At the School of Natural Medicine, we believe that true healing is a journey, not a destination. Our "Pure Naturopathy" approach is built on the belief that the body possesses an inherent wisdom to heal itself when provided with the right environment, nutrition, and botanical support.

We don't just teach practitioners; we nurture a global community of healers who embody the principles they share with the world.

Globally Recognized. Professionally Accredited.

Your education is backed by the highest standards in the holistic health industry. Our curriculum is recognized by leading professional bodies in both the United Kingdom and the United States, ensuring your diploma carries the weight and respect needed to launch a successful international practice.

  • UK & US Accreditation
  • Global Recognition
  • Clinical Excellence Standards

Ready to Begin Your Journey?

Whether you are seeking personal transformation or a professional career in natural medicine, your path starts here. Join a lineage of healers and master the art of  "Pure Naturopathy.