Mackenzie Carey, RDN

Registered Dietitian Nutritionist,
Longevity Health

Overview

Mackenzie Carey is a Registered Dietitian Nutritionist specializing in functional and integrative nutrition, metabolic health, and whole-person wellness. Her work focuses on helping individuals build sustainable nutrition and lifestyle habits that support long-term vitality, resilience, and optimal health.

At Longevity Health, Mackenzie works closely with clients to develop personalized nutrition strategies rooted in evidence-based care, functional medicine, and metabolic health optimization.

Clinical Background & Training

Before joining Longevity Health, Mackenzie worked as an inpatient Clinical Dietitian caring for patients across intensive care, gastrointestinal disorders, oncology, surgery, and cardiac care.

While her experience in hospital-based medicine provided a strong clinical foundation, her passion ultimately led her toward a more proactive, root-cause approach to health and wellness.

She later joined Cal-a-Vie Health Spa, where she worked one-on-one with clients utilizing:

  • Functional lab testing

  • Personalized nutrition programs

  • Health optimization strategies

  • Nutrition education and cooking demonstrations

Over the past several years, Mackenzie has worked extensively in the longevity optimization space, helping clients identify nutrient imbalances, improve body composition, and refine sustainable strategies for long-term health and performance.

This experience further deepened her focus on preventive health, metabolic wellness, and individualized care.

Areas of Focus

  • Functional and integrative nutrition

  • Metabolic health optimization

  • Prenatal and postnatal nutrition

  • Women’s health and hormone support

  • Nutrition education and behavior change

  • Family and lifestyle nutrition

Mackenzie lives in Southern California with her husband and kids. Outside of her clinical work, she is passionate about motherhood, holistic living, and helping others create healthier, more intentional lives.

Role at Longevity Health

At Longevity Health, Mackenzie supports clients through personalized nutrition and lifestyle interventions designed to improve long-term health outcomes.

Her work includes:

  • Developing individualized nutrition strategies

  • Supporting metabolic health and behavior change

  • Interpreting functional and nutrition-related lab data

  • Guiding sustainable habit formation

  • Collaborating with physicians and clinical teams to support integrated care plans

Coaching Philosophy

Mackenzie’s approach centers on the belief that long-term wellness is built through consistent daily practices that support the mind, body, and spirit.

Her work emphasizes:

  • Whole-food, nutrient-dense nutrition

  • Metabolic health and blood sugar regulation

  • Sustainable lifestyle habits

  • Personalized, practical nutrition guidance

She is especially passionate about helping individuals and families feel empowered and confident in taking ownership of their health.