The Science of Light Therapy

Certified Light Therapist (CLT)

Build the Science Behind Your Practice

The Light Therapy industry is filled with conflicting claims, varying device specifications, and a lot of marketing noise. This course gives you a clear scientific foundation for understanding photobiomodulation and applying light therapy with confidence.

Designed for licensed and aspiring health professionals, the course explores the biological mechanisms behind photobiomodulation, the importance of wavelength and dosing, and the principles that guide effective light therapy applications.

Build the knowledge and practical understanding needed to confidently integrate light therapy into your professional practice and pursue Certified Light Therapist (CLT) certification.
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      • 3 hours

        Video Content

      • 16 hours

        Course Duration

      • 32 Objectives

        Engaging Content

      Supports existing chiropractic, massage, and physical therapy protocols and practices

      Photobiomodulation is an evolving field with expanding research, applications, and professional interest. As the field grows, understanding the science behind light therapy becomes increasingly important for professionals who want to evaluate devices, understand dosing principles, and communicate confidently about photobiomodulation.

      This course gives you the scientific foundation and practical framework to move beyond marketing claims and develop a deeper understanding of how light therapy can be incorporated into your professional practice.

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      Professional Certification

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      Our curriculum has been approved by the Board of Advanced Natural Health Sciences (BANHS) to fully prepare you for professional certification as a Light Therapist. We are proud to have met BANHS's stringent requirements, ensuring that the time and effort you invest meet the high standards of scientific rigor and clinical application.

      Students who successfully complete this curriculum are eligible to apply for certification to the Board of Advanced Natural Health Sciences (BANHS) for the Certified Light Therapist designation (CLT).

      Additional information is available at www.banhs.org.
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      Upon receiving your BANHS certification, you become eligible to purchase comprehensive professional liability insurance. Additionally, you will receive a listing in the BANHS Practitioner Directory.

      To maintain your professional certification with BANHS, you must complete 20 hours of continuing education each year and apply for renewal.

      What You'll Gain from the CLT Program

      Build the scientific knowledge, practical understanding, and professional foundation to confidently incorporate light therapy into your practice and pursue Certified Light Therapist (CLT) certification.

      See the Science in Action

      Light therapy begins with the interaction between light and tissue. This short visualization illustrates how light can penetrate tissue and interact at different depths—one of the foundational concepts explored throughout the Science of Light Therapy course.
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      What you are going to learn:

      Meet Your Instructors    

      The path to creating The Science of Light Therapy began not in a clinical setting, but in a barn—with a defining experience involving a severely injured horse and the calming effects observed with light therapy.

      That experience sparked a deeper journey into the science of Photobiomodulation (PBM). Over the years, our work and education have expanded across human and animal applications, providing a unique cross-species perspective on the principles and possibilities of light therapy.

      The Science of Light Therapy brings that experience together with a rigorous scientific foundation designed to help professionals build knowledge, understanding, and confidence in photobiomodulation.
      Diana Connolly
      Certified Lead Instructor & Founder
      Diana Connolly is the founder of Complete Health Initiative and the Certified Lead Instructor behind The Science of Light Therapy. With more than a decade of experience as an educator, Diana has developed and presented light therapy education for professionals and practitioners interested in Photobiomodulation.

      Her experience spans human, equine, and animal applications of light therapy. Through courses, webinars, and presentations, Diana brings real-world experience together with foundational science to help students develop a deeper understanding of PBM.

      Diana Connolly    CLTI, CPTI

      Cole Cantleberry
      Curriculum Architect 
      Cole Cantleberry serves as Curriculum Architect for The Science of Light Therapy, helping shape the course structure and learning experience.

      A Navy veteran and trained engineer, Cole brings a systematic approach to curriculum development and adult learning. His work focuses on organizing complex information into a practical, engaging learning experience that helps students retain and apply what they learn.

      Cole Cantleberry
      M.S. Eng.

      What to Expect from the CLT Program

      The Science of Light Therapy is designed to make complex concepts understandable, practical, and relevant to professional practice.

      Students move through the curriculum at their own pace while building a stronger understanding of photobiomodulation, wavelength, dosing, light therapy applications, and the science behind the technology.

      The goal is simple: Knowledge Builds Confidence.

      By completing the program, students develop a foundation they can continue to build upon as they pursue BANHS certification and incorporate their knowledge of light therapy into their professional practice.
      Disclaimer: Complete Health Initiative’s courses and products are intended for educational and wellness purposes and are not intended to diagnose, treat, cure, mitigate, or prevent any disease or medical, chiropractic, or psychological condition in humans or animals. Information presented on this website is provided for general educational purposes and may include information related to health conditions and wellness applications. Individual experiences and results may vary based on many factors, including use and individual circumstances. Before beginning any new health or wellness program, consult with an appropriately licensed healthcare professional regarding your individual circumstances. Product prices are subject to change without notice. Complete Health Initiative reserves the right to modify or discontinue products at any time without notice.

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