Real stories. Lasting change.

Reviews for White Onyx Functional & Aesthetic Medicine · Gardner, MA

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Jill Truitt-Langan
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Knowledgeable, easy to work with, personable, listens to your concerns and works them through with you
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Peter DiPaoli
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Dr Liz is a fantastic professional who has made a huge positive difference in my overall health
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Chuck Courtemanche
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Professional, curated experience!
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Jillian Casey
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Liz is sooo easy to talk to and tells it like it is...just the way I like it! She is empowering, brilliant, informative, and cares so much about us all!! Threw in the towel on feeling so awful with the perimenopause crap and reached out for an expert consultation! Free to sit and chat and feel like I wasn't so crazy after all!!! Next step was labs and then review of some crazy reality and ultimately the game changing Testosterone pellet!! It's been 6 weeks or an amazing transformation in so many ways for ME. Back to the gym, better moods, way more energy, and more patience !! Time to care for myself and make life great again!!! I cannot recommend Liz and her practice enough.
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Patti Peterson
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Wonderful place to do business with!!! Dr. Liz has been a tremendous help to me and I am just starting this journey!! I highly encourage anyone to follow her on Facebook. I have learned so much and look forward to learning more about how to continue to live my best life naturally with fundamental medicine.
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Kristina Sinclair
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I had such an amazing experience here! From the moment I walked in, I felt welcomed and comfortable. The office is extremely clean, modern, and has such a relaxing vibe. Gia is incredibly knowledgeable and took the time to really listen to what I wanted. She explained everything clearly, answered all my questions, and made me feel confident in my decisions. I never felt rushed or pressured, which I really appreciated. My results turned out even better than I expected natural, refreshed, and exactly what I was hoping for. I will definitely be coming back and highly recommend Onyx to anyone looking for quality treatments and a great overall experience!

More Testimonials

Why White Onyx Is Loved

“I felt very comfortable during my entire visit. Dr. Liz, I greatly respect your knowledge and professionalism. Your caring and experience allowed for my total relaxation during treatment. I can certainly highly recommend you. Thank you!”

— Nancy D.

“I can’t say enough good things about Dr. Liz and White Onyx Med Spa. From day one, she approached my weight loss journey with care, knowledge, and a genuine commitment to treating the whole person—not just a number on the scale. Over the course of a year, I lost 50 pounds, and I’ve now maintained that loss for about a year.

What made the biggest difference for me was Dr. Liz’s integrative approach: she looked at everything—nutrition, exercise, medication, and mental health—and worked with me to create a plan that felt realistic and sustainable. She’s incredibly approachable, never judgmental, and always willing to adjust based on what I need.

This wasn’t just about weight—it was about gaining energy, confidence, and balance in my life. I’m so grateful to have had Dr. Liz in my corner.”

— Alissa C.

Ready to invest in yourself?

Functional Medicine

$99 Consultation

45-Minute Initial Consultation for:

▪ Weight Loss ▪
▪ Hormone Optimization ▪
▪ Functional Medicine / Wellness ▪

$99 fee can be applied towards a same-day purchase.

Aesthetic Medicine

NO COST Consultation

Complimentary Consultation for:

▪ Aesthetics / Skin ▪
▪ Hair Restoration PRP ▪
▪ IV Hydration/Vitamin Injections  ▪
▪ Laser Hair Removal ▪

Start with a consultation. We'll listen first, then map the path that fits your life and your goals.