What We Offer
Nutrition Services Tailored to You
Eileen Hsiung, RDN provides personalized, evidence-based nutrition counseling for a wide range of health conditions and goals in Tustin and Irvine, CA.
Sustainable results through balanced nutrition and lifestyle
Weight Management
Achieving and maintaining a healthy weight requires more than just cutting calories — it requires a balanced, sustainable approach to both nutrition and movement. Eileen works with you to understand your unique metabolism, food preferences, and lifestyle to create a personalized plan that fits your life. Whether your goal is to lose weight, maintain your current weight, or build lean muscle, we provide the education and tools to help you succeed long-term.
Conditions we help with:
Expert guidance when you need it most
New Health Diagnosis
A new health diagnosis can feel overwhelming — but the right nutrition plan can make a profound difference in managing your condition and improving your quality of life. Eileen specializes in helping clients understand how food affects their specific diagnosis and creates individualized meal plans that support medical treatment. We also provide education and support for individuals using GLP-1 medications, helping you maximize their benefits while building sustainable, healthy habits.
Conditions we help with:
Heal your gut, transform your health
Gastrointestinal Health
Digestive issues like IBS, Crohn's disease, and acid reflux can significantly impact your daily life. Eileen uses evidence-based dietary approaches — including low-FODMAP protocols, elimination diets, and gut-healing nutrition — to identify your trigger foods and restore digestive balance. Our goal is to help you enjoy food again without fear, discomfort, or uncertainty.
Conditions we help with:
Nutrition strategies to balance hormones naturally
PCOS & Hormonal Health
Polycystic Ovary Syndrome (PCOS) and other hormonal imbalances respond remarkably well to targeted nutrition interventions. Eileen creates anti-inflammatory, hormone-balancing meal plans that help regulate insulin levels, reduce androgen activity, and support healthy weight management. Many clients experience improved energy, more regular cycles, and reduced symptoms within weeks of starting their personalized plan.
Conditions we help with:
Reset your body and build lasting healthy habits
Clean Eating & Detox
Clean eating is about nourishing your body with whole, minimally processed foods that support optimal health. Eileen guides you through a structured clean eating program designed to reduce inflammation, boost energy, and reset your relationship with food. By eliminating processed foods, refined sugars, and common irritants, your body can heal and restore naturally — setting the foundation for lasting healthy habits.
Conditions we help with:
Ready to Start Your Nutrition Journey?
Schedule a consultation with Eileen today and take the first step toward better health.