About Us

At Castle Wellness, our mission is to help adults restore balance, improve vitality, and build a longer, healthier life through functional wellness, root-cause discovery, and holistic support. We believe symptoms like fatigue, brain fog, inflammation, hormone imbalance, digestive issues, and low energy are not simply “part of aging” , they are signals the body deserves to have understood.

Using personalized wellness strategies, whole-food nutrition, gut health support, genetics-informed wellness insights, and science-backed lifestyle approaches, we help clients better understand their body, support healthy aging, and create sustainable habits that promote long-term energy, resilience, and overall well-being.

We believe lasting wellness begins by asking deeper questions, listening to the body’s signals, and supporting health with knowledge, compassion, and purpose.

Dr. Mandy Mendoza

PhD, BND, MSN, RN, BC-FMP

Founder & CEO, Castle Wellness

Biblical Naturopathic Doctor


Dr. Mandy Mendoza’s journey began more than 30 years ago in nursing. After decades of caring for others within the traditional healthcare system, she began asking deeper questions about health and why so many people continued to struggle despite treating their symptoms.

That curiosity led her to functional wellness and biblical naturopathic medicine, where she discovered a different way of looking at the body. One that considers nutrition, lifestyle, environment, emotional well-being, and faith.

Today, through Castle Wellness, Mandy brings together decades of nursing experience with a whole-person approach to help others better understand their bodies and take intentional steps toward lasting wellness.

Why Choose Us?

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Faith-Inspired, Client-Focused

We believe healing is a whole-person journey — mind, body, and spirit — with grace, hope, and purpose guiding every step.

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Commitment to Your Growth

We provide ongoing support to help you build lasting habits that promote long-term health and wellness.

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Flexible Programs for Busy Lives

Dedicated to your personal development, we offer continuous guidance to help you achieve your full potential.

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Root Cause, Not Band-Aids


We don’t just chase symptoms — we dig deep to uncover what’s really driving your health issues

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Support for Sustainable Change

Experience a welcoming space where you are empowered and encouraged to grow.

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