Embrace your body & soul. You can be Chatviva
Chatviva is an innovative all-in-one fitness app with personalized plans powered by nutritional and psychological science. We focuses beyond simple weight monitoring methods and aims to empower your with lasting wellness on body and mind.
Why Starting Journey with Chatviva
Know Yourself Better
Your journey with Chatviva begins with a thoughtfully designed questionnaire that dives into everything from your daily routine to your personal history.
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A Plan Made Just for You
Using advanced AI models developed by our nutrition scientists and psychologists, Chatviva creates a fully personalized plan tailored specifically to your body, habits, and goals.
Get Your Plan
Change at Your Fingertips
Backed by our exclusive META-FIT model—and powered by proven methods like SDT and MCBT—Chatviva makes smart, sustainable weight management more achievable than ever. Start changing by following guidance and finishing tasks from Chatviva.
Benefits of Chatviva
Body Weight Isn't the Whole Story
People often focus way too much on the number on the scale. At Chatviva, we believe in zooming out to see the full picture beyond simple metrics like body weight.Therefore, by combining modern nutritional science, behavioral psychology, and the power of AI, Chatviva introduces "Weight neutral" wellness for you to start accepting your true self.
Take Back Control of Your Body
If you've struggled with weight management before, you're not alone—and there's no reason to feel ashamed or guilty. It's not your fault. With NourishPath™ by Chatviva, our team of scientists and expert coaches, with AI power, help you learn to management your body smartly. No obsessive tracking, nor strict monitoring.
Revamp Your Routine for Lasting Results
Dropping pounds fast might sound appealing—but if you've been there before, you know the rebound is real. Chatviva focuses on helping you build sustainable, healthy habits that stick. Rapid weight loss can mess with your metabolism and rarely leads to lasting results. Real change doesn't happen overnight. With Chatviva, you will not only see the difference on the scale—you'll feel it in inside as well.
Benefits of Chatviva
Body Weight Isn't the Whole Story
People often focus way too much on the number on the scale. At Chatviva, we believe in zooming out to see the full picture beyond simple metrics like body weight.Therefore, by combining modern nutritional science, behavioral psychology, and the power of AI, Chatviva introduces "Weight neutral" wellness for you to start accepting your true self.
What Experts Say About Chatviva?
Chatviva was founded and is working with many industry renowned experts.
Why Our User Stick with Chatviva
Rachel,29
California
"Chatviva didn't judge me by the number on the scale—it focused on how I feel and live every day."
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Alma,38
Florida
"I used to get overwhelmed by all the fitness info out there. Chatviva broke it down in a way that finally made sense."
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Niaomi, 31
New York
"Chatviva helped me stop chasing perfection and start focusing on progress I can actually maintain."
Read Full StoryMeet Our Core Team
Dr. Olivia Perez
Founder & Chief Science Officer
Lasting change doesn't come from willpower alone—it comes from understanding how your mind and habits work together.
About the
Chatviva Founder
Dr. Olivia Perez is a seasoned nutritional scientist with 20+ years of experience in metabolic health, diet behavior, and sustainable weight loss. After seeing how one-size-fits-all methods consistently failed people, she founded Chatviva to merge nutritional science with AI—making smarter, more sustainable weight loss tools accessible to everyone.
Tom Wallace
Senior Consultant
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About the
Senior Consultant
Tom Wallace is a veteran personal trainer and certified sports nutritionist with 15+ years of experience coaching elite athletes, including WNBA pros. Known for his science-based and tailored approach, Tom bridges athletic training with everyday wellness. At Chatviva, he helps design fitness and habit systems rooted in real, sustainable results.
Benson Lai
Chief Technology Officer
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About the
Chief Technology Officer
Benson Lai leads Chatviva’s tech development, specializing in AI, machine learning, and digital health innovation. He transforms complex nutrition and behavior science into intuitive tools—like the adaptive engine behind the META-FIT model—ensuring each user gets a personalized, effective experience. His mission: make health tech smart, supportive, and scalable.
Ready to Take Control of Your Body Weight? Try Chatviva Today!
