Hudson Functional Medicine | Virtual Functional Medicine & Telehealth

Get to the Root Cause of Your Health Issues

IFM-certified care that investigates why you feel the way you do — not just your symptoms. Personalized protocols delivered through secure telehealth, anywhere you are.

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IFM Certified — AFMCP, GI & Cardiometabolic

MS in Biotechnology

5 Peer-Reviewed Publications

100% Virtual Telehealth

What We Treat

Finding Answers Where Others Haven't

We specialize in complex, chronic conditions that require a deeper investigation into your unique biology.

Gut Health

IBS, SIBO, leaky gut, food sensitivities, and digestive dysfunction

Chronic Fatigue

Unexplained exhaustion, brain fog, and energy depletion

Hormone Imbalance

Thyroid dysfunction, adrenal fatigue, and hormonal irregularities

Autoimmune Support

Identifying triggers and reducing inflammatory load

Toxin Exposure

Mycotoxin illness, mold exposure, and environmental toxin detox

Nutritional Optimization

Micronutrient deficiencies, metabolic health, and advanced lab analysis

Our Services

A Comprehensive Approach to Your Health

Every system in your body is connected. We examine all of them to build a plan that's uniquely yours.

Diet Analysis

Detailed nutritional assessment and personalized dietary plans based on your unique biochemistry and health goals.

Lab Testing

Advanced functional lab testing including comprehensive hormone panels, metabolic assessments, and specialized diagnostics to uncover root causes.

Supplementation

Evidence-based, professional-grade supplement protocols personalized to your unique biochemistry and health goals.

Lifestyle Modifications

Personalized recommendations for sleep, stress management, movement, and daily habits tailored to your health goals.

How It Works

Three Simple Steps to Better Health

No commute, no waiting rooms. Just personalized care from the comfort of home.

Book

Schedule your initial consultation online. We'll discuss your health history, goals, and what's been holding you back.

Assess

We run advanced functional labs and perform a comprehensive investigation into your diet, environment, and lifestyle.

Transform

Receive your personalized protocol — diet, supplements, lifestyle modifications, and follow-up care to get you feeling your best.

Signature Program

The 5-Month Root Cause Health Transformation

Our comprehensive program is designed for lasting results — not quick fixes. Over five months, we work together to identify, address, and resolve the underlying causes of your health concerns.

Comprehensive initial health assessment
Advanced functional lab testing
Personalized nutrition & supplement protocols
Customized lifestyle modification plan
Monthly follow-up consultations
Ongoing protocol adjustments based on progress

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Meet Dr. Tiffany Gunawardena

Science-Backed Care, Personally Delivered

Dr. Tiffany Gunawardena brings a rare combination of academic research and clinical expertise to functional medicine. With a background in biotechnology research at institutions like Children's Hospital of Philadelphia and Janssen Pharmaceuticals, she understands health at the cellular level — and translates that into protocols that actually work for real people.

As an IFM-certified practitioner with advanced training in AFMCP, GI, and Cardiometabolic modules, plus Senior Adjunct Faculty teaching anatomy and physiology, she's committed to evidence-based care that empowers you to take control of your health.

IFM — AFMCP

IFM — GI Advanced

IFM — Cardiometabolic

MS, Biotechnology

5 Peer-Reviewed Papers

University Faculty

Read Full Bio →

Patient Reviews

What Our Patients Are Saying

I recently started seeing Dr. Tiffany for functional medicine, and I'm so glad I did! I've been struggling with digestive issues for a while now, and traditional medicine was not helping. She took the time to really listen to my concerns and help me get to the root cause of my health issues. I would highly recommend her and she deserves more than 5 stars.

— Haley S. · Google Review

Dr. Tiffany has the most wonderful energy! I was nervous and didn't know what to expect when discussing my multitude of medical issues and she was amazing at organizing a very thorough and reasonable treatment plan with me. She was very friendly, easy to talk to, and an amazing listener. Dr. Tiffany was able to explain the benefits of why she was doing what she was doing and I definitely trust her to get me back to better health.

— Sheetal D. · Google Review

I recently worked with Dr. Tiffany to help me lose weight and improve my overall health. She helped me create a personalized diet and exercise plan tailored to my specific needs and provided support and motivation throughout the process. After 6 months, I lost 25 pounds and improved my overall health. I have more energy, I sleep better, and I feel healthier than I have in years. I would highly recommend her to anyone looking for a knowledgeable, compassionate, and effective functional medicine doctor.

— Johnson · Google Review

Dr. Tiffany Gunawardena is an exceptional functional medicine practitioner who has transformed my health journey. What sets her apart is her holistic and integrative approach. She was able to identify the underlying causes of my symptoms and offered tailored solutions instead of just treating the surface-level issues. Her treatment plans incorporate nutrition and lifestyle changes that address the root causes with precision. Under her care, my health has significantly improved.

— Andrea B. · Google Review

I sought out Dr. Tiffany and could not be happier with the results. She helped me make significant improvements to my overall health. Her personalized approach and ability to break down complex nutritional information into easily understandable concepts was impressive. She provided a wealth of information and practical tools to implement into my daily routine. Thanks to her expertise and ongoing support, I have experienced higher energy levels, better digestion, and overall well-being.

— S.P. · Google Review

Dr. Tiffany was amazing. She is incredibly knowledgeable and great at explaining what she thinks is going on in a way you can understand. She is lighthearted and funny and makes you feel incredibly comfortable. I'm so happy I found her, I'll never see anyone else.

— Verified Patient · ZocDoc Review

Dr. Gunawardena is extremely kind and helpful. She takes her time to thoroughly explain things and is open to answer all questions. She is thorough about your medical history, with a very friendly demeanor. She was personable and explained what she was doing and why. I am definitely glad I found her.

— Verified Patient · ZocDoc Review

Vitamin Dispensary — 15% Off Professional-Grade Supplements

Access our curated dispensary on Fullscript. The same trusted brands we use in patient protocols, delivered to your door.

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Ready to Feel Like Yourself Again?

Book a consultation and let's start uncovering the root cause of your health concerns — together.

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