Markham ON Bioidentical Hormone Doctor
Lorenzo Diana, N.D.
Markham Ontario Bioidentical Hormone Doctor Lorenzo Diana, ND has dedicated his career to helping patients better understand their health through a more personalized, root-cause focused approach to care. As the founder of Markham Natural Health Centre, Dr. Diana has built a practice centered on functional diagnostics, integrative medicine, and long-term wellness strategies designed to address the full picture of each patient’s health. Dr. Diana empowers Greater Toronto patients to experience optimal vitality and take a preventative approach to the many health issues associated with aging and hormone decline. Markham Natural Health Centre addresses the underlying cause of hormone conditions using customized bioidentical hormone therapy. Markham Natural Health Centre understands that achieving optimal hormone balance requires a personalized, natural approach, not a one-size-fits-all solution. Dr. Diana and his team at Markham Natural Health Centre‘s customized approach to bioidentical hormone therapy has helped many Toronto–Mississauga–Oshawa men and women naturally restore hormonal levels and experience the renewed vitality they deserve. Markham Natural Health Centre believes naturally maintaining optimal hormone levels with BHRT not only enhances overall health, BHRT can also significantly enrich the quality of life.
Services Offered at Markham Natural Health Centre

Enzo Diana, ND’s Areas of Expertise
Hormone Optimization Dr. Diana provides personalized hormone support focused on restoring balance, improving energy, supporting metabolism, and helping patients better manage symptoms related to hormonal imbalances through functional diagnostics and individualized care strategies.
Weight Management & Metabolic Health Using a root-cause focused approach, Dr. Diana helps patients address the hormonal, metabolic, and lifestyle factors that may impact sustainable weight management, energy levels, and long-term wellness outcomes.
Functional Diagnostic Testing Dr. Diana utilizes functional diagnostic testing to gain deeper insight into underlying imbalances, helping guide more precise and personalized treatment plans designed to support long-term health and optimal function.
Integrative Medicine By combining functional diagnostics with evidence-informed natural therapies, Dr. Diana develops individualized care plans that support whole-body health, balance, and long-term wellness through an integrative approach.
More About Dr. Diana
Meet Dr. Enzo Diana – Founder of Markham Natural Health Centre, Integrative & Functional Medicine Practitioner
With nearly 30 years of clinical experience, Enzo Diana, ND has dedicated his career to helping patients better understand their health through a more personalized, root-cause focused approach to care. As the founder of Markham Natural Health Centre, Dr. Diana has built a practice centered on functional diagnostics, integrative medicine, and long-term wellness strategies designed to address the full picture of each patient’s health. His work focuses on helping patients move beyond symptom management by identifying the underlying factors contributing to hormonal imbalances, metabolic concerns, fatigue, digestive issues, stress-related conditions, and other chronic health challenges.
Dr. Diana is known for taking a thoughtful and highly individualized approach with every patient. By combining evidence-informed natural therapies with diagnostic testing and a deep understanding of how the body’s systems function together, he develops personalized care plans tailored to each patient’s unique physiology, health history, and goals. His areas of focus include hormone optimization, metabolic health, weight management, functional diagnostic testing, and integrative medicine. Patients across Markham and the Greater Toronto Area seek his care for his ability to provide clear insight, practical guidance, and long-term strategies that support sustainable improvements in health and overall well-being.
Patient Reviews & Testimonials
My family and I have been seeing Dr. Diana for almost 20 years and he has been excellent. He is so caring and compassionate in listening and responding to all my questions. Truly my favourite doctor! He will always have my recommendation.
Dr Diana is an excellent naturopathic doctor with a wonderful positive and supportive personality. He is a warm and compassionate physician who is truly concerned about your health and will leave no stone unturned in his efforts to help you. I would highly recommend Dr Diana and his team. All in all the entire experience was a very valuable resource in my healing process and I look forward to my next visit with him!
Dr. Diana has been a wonderful doctor past 3 years for our whole family. Helping my mother in law with her cancer, helping my sister in law with menopause and weight loss and me with digestive issues.

