Meet Our Experts

We offer a series of Pure Exclusives—unique to Pure Encapsulations® that are developed in collaboration with our medical experts. Our exclusives include specially formulated products focused on specific health needs, as well as clinical protocols to support and guide patient care, and educational resources to support your practice.

Our Medical Advisory Board is a panel of licensed healthcare professionals and recognized experts in their field. With their expertise and guidance, we can further our mission to formulate exclusive supplements and create educational tools that help support optimal health and wellness.

Leslie J. Bonci, MPH, R.D., CSSD, LDN+

Leslie J. Bonci is the owner of Active Eating, a nutrition consulting company that encourages clients to “Be fit, fed and fearless.” She has also worked as a nutrition consultant for Major League Baseball’s® Pittsburgh Pirates® and Toronto Blue Jays®, in addition to Carnegie Mellon University® Athletics, and the NFL’s® Kansas City Chiefs®. Leslie worked as a sports dietician for the Pittsburgh Steelers® for 24 years, and has also worked with the NHL’s® Pittsburgh Penguins® and MLB’s® Washington Nationals®.

Brand: Klean Athlete
Resource: The Active Calorie Diet

Peter Bongiorno N.D. La.C.+

Peter Bongiorno is president of the NY Association of Naturopathic Physicians and co-medical director of Inner Source Health in New York with his wife, Dr. Pina LoGiudice. In 2010, he authored the first comprehensive textbook designed to teach physicians how to use natural medicine for mood support. Dr. Bongiorno has been regularly interviewed on national television and radio as a natural medicine expert, and writes articles for national media, including Psychology Today.

Brands: Douglas Laboratories
Holistic Solutions for Anxiety and Depression
How Come They’re Happy and I’m Not
Put Anxiety Behind You: The Complete Drug Free Program

Exclusive Platform: PureLean®

Caroline Cederquist, M.D.+

Caroline Cederquist is the founder and medical director of the Cederquist Medical Wellness Center in Naples, Florida, a comprehensive weight management and preventive medicine clinic. Her scientific understanding of medical weight management through proper nutrition has allowed her to help patients all over the world. Dr. Cederquist helped co-develop the PureLean™ protocols.

Resource: The MD Factor Diet

Denise Furness, Ph.D.+

Denise Furness is passionate about helping practitioners and patients navigate the new and evolving world of nutrigenomics and personalized medicine. She began her career as a research scientist focusing on folate nutrigenomics, methylation, and DNA damage in relation to pregnancy health. Her research has since expanded to vitamin D, inflammatory and metabolic-related genes, and biomarkers. She is a published author and has won numerous awards for her research and conference presentations. In 2012, she founded Your Genes and Nutrition, applying her knowledge to private practice and working alongside some of Australia's most prominent integrative medical doctors.

Brand: Pure Encapsulations


Martin P. Gallagher, M.D., D.C.+

Martin P. Gallagher has the unique distinction of being triple licensed as a board-certified family physician, chiropractor and medical acupuncturist. He is the clinic director of Medical Wellness Associates, a multidisciplinary integrative health care facility located just outside of Pittsburgh. He is an international lecturer and has authored several books, including the bestselling “Dr. Gallagher’s Guide to 21st Century Medicine.”

Brand: Douglas Laboratories

Exclusive Platform: PureWomanTM

Felice L. Gersh, M.D.+

Felice L. Gersh is an award-winning integrative gynecologist. She has special expertise in women’s hormones and the impact of environmental toxins, medications, nutrition, and aging on hormone receptors and production. Dr. Gersh graduated from Princeton University and the University of Southern California School of Medicine. Dr. Gersh helped co-develop the PureWoman™ protocols.

Resource: PCOS SOS: Fertility Fast Track

Exclusive Platform: PureSYNAPSETM

James Greenblatt, M.D.+

James Greenblatt integrates both medical and complementary therapies to support mental health and well-being. In addition to serving as the chief medical officer and vice president of medical services at Walden Behavioral Care in Waltham, Massachusetts, Dr. Greenblatt is a clinical faculty member at Tufts University School of Medicine. Dr. Greenblatt also helped co-develop the PureSYNAPSE™ protocols.

Finally Focused
Nutritional Lithium: A Cinderella Story
Integrative Therapies for Depression
Integrative Medicine Series:
- Alzheimer’s
- Binge Eating
- Depression
- Anorexia
- Suicide Prevention

Kelly C. Heim

Kelly C. Heim, Ph.D.*, is Senior Scientific Director, Pharmacology & Genomics for Pure Encapsulations and Douglas Laboratories.  As the co-creator of PureGenomics® and leader of its scientific advisory board, he oversees the evidence-based development of the platform and its educational resources.  As a pharmacologist specializing in natural products, Dr. Heim is a published author and illustrator of various studies, scholarly reviews and book chapters.  He offers complimentary learning resources on the basic and clinical pharmacology of natural products via his website, Integrative Pharmacology.

Brand: Pure Encapsulations, Douglas Laboratories, Klean Athlete
Resource: ,

Exclusive Platform: PureGITM

Daniel Kalish, D.C.+

Daniel Kalish is the founder of the Kalish Institute, an online training program established in 2006 dedicated to building Functional Medicine practices. In 2017, Dr. Kalish joined the Practice Implementation faculty with the Institute for Functional Medicine and began a strategic partnership around My Practice Plan. This hands-on, online course focuses on designing an ideal practice plan and is intended to address the lack of practice management instruction available in the Functional Medicine arena. Dr. Kalish has authored three books on this subject and is a notable speaker at integrative medicine conferences across the United States. Dr. Kalish helped co-develop the PureGI™ protocols.


Penny Kendall-Reed, N.D.+

Penny Kendall-Reed is a naturopathic doctor in Toronto. After graduating from McGill University with a BSc. in Neurobiology, she earned a degree in Naturopathic Medicine from the Canadian College of Naturopathic Medicine, where she received the Dr. Allen Tyler Award for Most Outstanding Clinician. In 2013, she was voted Naturopath of the Year by her peers and colleagues. Dr. Kendall-Reed is the co-author of five national best-selling books and practices at the Urban Wellness Clinic in Toronto.

Brand: Douglas Laboratories, Pure Encapsulations, Genestra/Seroyal
The No-Crave Diet
The New Naturopathic Diet
Healing Arthritis
The Complete Doctor’s Healthy Back Bible
The Complete Doctor’s Stress Solution
Fix Your Genes to Fit Your Jeans

Shelena Lalji, M.D.+

Shelena Lalji known as “Dr. Shel” by her patients and colleagues, is the founder and medical director of Dr. Shel Wellness & Medical Spa in Sugar Land, Texas.  Dr. Shel is a board-certified obstetrician and gynecologist. She is a national trainer and an international speaker on several integrative/functional medicine topics and on advanced aesthetic treatments. Dr. Shel is a published author and an advocate for her patients and her local community, as well as a firm believer in addressing the root causes of her patients' health and well-being.

Brand: Douglas Laboratories

Angela Mazza, D.O.+

Angela Mazza is double board-certified in internal medicine and endocrinology, diabetes & metabolism, and currently practices in the Central Florida area. She completed her fellowship in anti-aging metabolic medicine and practices integrative endocrinology on a daily basis. She sees medicine not as a “one size fits all” but requiring an individualized approach through patient education and lifestyle management. She has a significant background in both basic and clinical research, and has been principal investigator on multiple large scale therapy and device trials.

Brand: Douglas Laboratories

Nathan Morris, M.D.+

Nathan Morris is the Chief Medical Officer of Atrium Innovations Pro Brands. He resides in Monument, CO where he has a multidisciplinary functional medicine practice, Good Medicine, which focuses on making the complex simple.

Dr. Morris is certified by the Institute for Functional Medicine and has practiced root cause medicine for well over a decade. He is actively involved in the evolution of PureGenomics®, which he envisioned and co-created with Kelly Heim, Ph.D. He is also a partner with MBN Systems, which supports the implementation of systems based medical training in medical schools and residencies. He also a co-hosts for the podcast, “Good Medicine on the Go” where he explores personalization, technology, and practice implementation strategies.

Dr. Morris is excited about the future of medicine as he helps create the future of personalization and its evolution as it empowers patients to understand their uniqueness and strengths.

Brand: Pure Encapsulations
Resources: Good Medicine On The Go podcast

Nigel Plummer, Ph.D.+

Nigel Plummer is a key probiotic contributor who has worked at Pfizer in R&D and has extensive knowledge in the field. His research has resulted in collaborations with research institutes and universities within the U.K. and Europe, enabling Dr. Plummer to develop his expertise in probiotics and fish oils.

Brand: Genestra/Seroyal, Douglas Laboratories

Chris Spooner, N.D.+

Chris Spooner is a naturopathic doctor with more than 20 years of experience in naturopathic medicine. He received his N.D. degree from the Canadian College of Naturopathic Medicine in 1998. After completing his post-doctoral fellowship in Environmental Medicine at Southwest College of Naturopathic Medicine he continued instructing at SCNM as an Assistant Professor, teaching courses in toxicology, environmental medicine and nutrition. 

Brand: Genestra/Seroyal

Jacob Teitelbaum, M.D.+

Jacob Teitelbaum is a board-certified internist and has been a nationally recognized expert in the fields of fatigue and sleep management for the past 30 years. He is also the founder of the Practitioners Alliance Network and author of numerous books. Dr. Teitelbaum is the lead author of four studies on the effective management of fatigue, and has developed the S.H.I.N.E. approach to help patients maintain healthy energy levels. He frequently makes media appearances and conducts speaking engagements, and lives in Kona, Hawaii.

Brand: Douglas Laboratories

Kara Ware+

Kara Ware is a pioneer and leading contributor to the field of functional medicine. She excels at improving patient retention and clinical outcomes, and her coaching skills and deep understanding of the patient experience make her an important asset to any functional medicine practice. Kara's 14-year personal journey began with her son, who has autism, and by addressing the underlying medical and lifestyle factors behind his condition. In 2013, she opened a functional medicine autism recovery clinic, and achieved such tremendous results that Dr. Nathan Morris asked Kara to join his practice, Good Medicine, as his clinical coordinator. Kara has been the PureGenomics® Business Integration Coach since 2016.

Brand: Pure Encapsulations
Resources: Good Medicine On The Go Podcast

Izabella Wentz, Pharm.D., FASCP+

Izabella Wentz is a nationally acclaimed thyroid specialist and licensed pharmacist who has dedicated her career to helping practitioners and patients understand and properly address thyroid function, particularly in the >90% of cases involving an immunological component. Dr. Wentz is the author of a New York Times best-selling patient guide on thyroid support and is dedicated to educating the public and healthcare professionals about improving assessment, lifestyle interventions and functional medicine approaches to optimize thyroid function and overall health.

Brand: Pure Encapsulations

Exclusive Platform: PureResponseTM

Samuel F. Yanuck, D.C., F ACFN, FIAMA+

Samuel F. Yanuck is the CEO and Director of Education for, an online functional immunology course, serving nearly 8,000 clinician participants from more than 60 countries around the world. He is an adjunct assistant professor in the Program on Integrative Medicine, in the Department of Physical Medicine and Rehabilitation at the University of North Carolina School of Medicine, where he teaches topics in functional immunology. Dr. Yanuck co-directs the Yanuck Center for Life and Health, a functional medicine clinic in Chapel Hill, North Carolina, where he’s been seeing patients from everywhere since 1992. Dr. Yanuck helped co-develop the PureResponse™ protocols.


Disclaimers: *Dr. Kelly Heim is an employee of Atrium Innovations Inc. The information contained herein was developed independently by Dr. Heim, is for educational purposes only, and does not establish a doctor-patient relationship. The information provided does not necessarily represent the views of Atrium Innovations or its affiliates (Douglas Laboratories, Pure Encapsulations, Seroyal). This information does not substitute for standard medical care. Consult your physician for any health problems

This information is intended for use by healthcare practitioners, is for informational purposes only, and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product. Consult your physician for any health problems.

+Our Medical Consultants are retained advisors to Atrium Innovations



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