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Track Easy, Weight Breezy, Starting with Chatviva

Chatviva is a smart food and wellness companion that combines nutritional science and psychological support to help build healthy habits with ease.

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Why Starting Journey with Chatviva

  1. Thoughtful questionnaire to understand your daily routine and personal health history

    Small Logs, Big Clarity

    In just seconds a day, Chatviva turns simple food check-ins into clear insights about your habits, metabolism, and patterns—so you finally understand what truly drives your energy, cravings, and progress.

    Start Survey Now
  2. AI-powered personalized nutrition and fitness plan creation

    Support Your Journey Every Step

    You’re not doing this alone. Chatviva blends emotional support with gentle, personalized guidance to help you stay motivated—especially on tough days—so healthy choices feel lighter and more doable.

    Get Your Plan
  3. META-FIT model with SDT and MCBT methods for sustainable weight management

    Science That Fits Your Life

    No strict rules or heavy tracking. Backed by our exclusive META-HEALTH model, Chatviva adapts to your lifestyle, mood, and routines with science-backed recommendations that make small, sustainable changes easy—and real progress feel within reach.

What Makes Chatviva Different

Body Weight Isn't the Whole Story
Weight Neutral

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
Positive Mind

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
Lasting Changes

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 inside as well.

What Experts Say About Chatviva?

Chatviva was founded and is working with many industry renowned experts.

Olivia Perez - Health and nutrition expert at Chatviva
—Olivia Perez

"It's Time We Stopped Worshipping the Scale"

Dr. Olivia Perez is a veteran nutritional scientist with over 20 years of research experience in metabolic health, diet behavior, and sustainable weight loss. She has published widely on nutrition and health outcomes and is the founder of CHATVIVA, a platform designed to bring personalized, science-based wellness strategies to everyday people.
Will Blake - Health and nutrition expert at Chatviva
—Will Blake

"It's All About Habit Stacking. Chatviva Gets it"

Dr. Will Blake, a Johns Hopkins–trained physician with 8 years in internal medicine, specializes in metabolic health and preventive care. Known for his evidence-based, practical approach, he now writes as CHATVIVA’s featured columnist, offering trusted, science-backed guidance to help users achieve sustainable weight loss and long-term wellness.
Alex Grant - Health and nutrition expert at Chatviva
—Alex Grant

"Why Short-Term Weight Loss Fails"

Dr. Alex Grant is a health researcher specializing in metabolic physiology and long-term weight management. His work focuses on the mechanisms of weight regain and the role of adaptive processes in shaping diet outcomes.
Katie Ramirez - Health and nutrition expert at Chatviva
—Katie Ramirez

"AI Finally Meets Real-Life Coaching"

Katie Ramirez is a certified health coach with over a decade of experience helping clients build sustainable lifestyle changes. She specializes in behavioral psychology, habit formation, and wellness coaching, and has worked with diverse populations to integrate evidence-based approaches into everyday life.

Why Our Users Stick with Chatviva

"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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"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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"Chatviva helped me stop chasing perfection and start focusing on progress I can actually maintain."

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Meet Our Core Team

Team Member Background ImageDr. Olivia Perez - Founder and Chief Science Officer

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.
Team Member Background ImageTom Wallace - Senior Consultant

Tom Wallace

Senior Consultant

Creative painter capturing beauty with imaginative artwork

Team Member Background ImageRahul Kapoor - Chief Technology Officer

Rahul Kapoor

Chief Technology Officer

Creative painter capturing beauty with imaginative artwork

Ready to Take Control of Your Body Weight? Try Chatviva Today!

Chatviva app interface on mobile phone

Frequently
Asked Questions

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1. What is CHATVIVA?

CHATVIVA is an AI-powered weight management app that combines nutrition science, psychology, and personalized planning to help you build sustainable habits for long-term health and weight loss.

2. How is CHATVIVA different from other weight loss apps?

Unlike apps that only track calories or workouts, CHATVIVA prioritizes nutrition, mindset, and gradual lifestyle change. Our META-FIT™ model adapts to your habits, goals, and readiness, offering a truly personalized approach.

3. Do I need to count every calorie to use CHATVIVA?

No. CHATVIVA focuses on balanced eating and portion awareness, not strict calorie counting. We help you make smarter food choices without obsessing over every bite.