Meet Sandra McDonald, Founder and Lead Practitioner of Tír na nÓg Wellness Centre in Stratford, Ontario

Sandra McDonald brings a science-based, whole-person approach to wellness care at Tír na nÓg Wellness Centre. With more than 20 years of clinical experience as a Nurse Practitioner in primary care, Sandra’s work is grounded in education, careful assessment, and personalized treatment planning. Her clinical background includes primary care, mental health, sexual health, diabetes management, metabolic health, and chronic disease care, along with advanced training in bioidentical hormone replacement therapy and foundational training in functional and integrative medicine. She is passionate about helping people better understand their health and empowering them to take an active role in achieving lasting wellness.

At Tír na nÓg Wellness Centre, Sandra focuses on helping adults better understand the hormonal, metabolic, and lifestyle factors that may be contributing to weight resistance, fatigue, low energy, low libido, menopause and perimenopause symptoms, and other health concerns. Her approach is not built around quick fixes or one-size-fits-all protocols. Instead, she works with each client to develop a clearer picture of their health, identify meaningful goals, and create a personalized care plan rooted in evidence-based support. She believes that taking the time to listen, educate, and build genuine partnerships leads to more confident decisions and better long-term health outcomes.

Sandra’s philosophy reflects the belief that wellness is a journey shaped by biology, lifestyle, mindset, and lived experience. Through education, structured care, and thoughtful clinical guidance, she helps clients take proactive steps toward balance, renewed energy, and a healthier healthspan. Her goal is to help every client feel informed, supported, and empowered to feel like themselves again.

Education & Training

McMaster University
BsN, Bachelor of Science in Nursing

McMaster University
Primary Health Care Nurse Practitioner Certification

University of Waterloo
MPH, Master’s Degree in Public Health

Certifications in Progress

WorldLink Medical
Advanced Bioidentical Hormone Replacement Therapy Training

The Institute of Functional Medicine
Foundational Training, Functional and Integrative Medicine

Professional Memberships

  • Institute for Functional Medicine 

Sandra McDonald, NP‘s Specialty Services

Medical Weight Management
Sandra supports clients who are navigating weight resistance, metabolic frustration, and changing health markers. Her approach begins with assessment, education, and personalized planning so clients can better understand the factors influencing their weight and build a structured path toward sustainable health optimization.

Hormone Optimization
Sandra’s hormone-focused care is designed for adults experiencing concerns such as fatigue, low libido, hot flashes, night sweats, perimenopause, menopause, and andropause-related changes. Her approach emphasizes whole-person assessment, education, and individualized support rather than one-size-fits-all recommendations.

GLP-1 Therapy Support
For appropriate clients, GLP-1 therapy may be part of a broader medical weight management plan. Sandra’s role is to help clients understand how medication, nutrition, lifestyle, monitoring, and clinical follow-up can work together within a personalized treatment framework.

Thyroid and Metabolic Health
Sandra’s work includes attention to thyroid function, bloodwork review, body composition, and metabolic health patterns that may affect energy, weight, and overall well-being. Her goal is to help clients move from uncertainty toward a clearer, more informed care plan.

Healthspan and Longevity Support
At Tír na nÓg Wellness Centre, longevity is framed as optimized healthspan rather than anti-aging. Sandra helps clients focus on sustainable habits, metabolic health, hormone balance, and proactive prevention so they can feel more informed and supported in their long-term wellness.

Sandra McDonald, NP‘s Treatment Philosophy

Sandra’s care philosophy is rooted in the belief that every client arrives with a unique health story, worldview, and set of goals. She does not see wellness as a quick fix, but as a guided partnership process of discovery, education, and personalized care.

Her approach looks beyond symptoms alone to consider the whole person: hormones, metabolism, lifestyle, nutrition, stress, movement, health history, and personal motivation. By taking the time to understand how these factors work together, Sandra works with clients to create a shared understanding of what they want to improve while empowering them with the knowledge to make informed decisions about their health. Together, they build a personalized path toward lasting wellness, renewed confidence, and feeling like themselves again.